website-struct

Struct: page

Status

Regular

• In 4.4: ✅

  struct page {
      long unsigned int flags;
      struct address_space *mapping;
      void *s_mem;
      long unsigned int index;
      void *freelist;
      long unsigned int counters;
      atomic_t _mapcount;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      int units;
      atomic_t _count;
      unsigned int active;
      struct list_head lru;
      struct page *next;
      int pages;
      int pobjects;
      struct callback_head callback_head;
      long unsigned int compound_head;
      unsigned int compound_dtor;
      unsigned int compound_order;
      long unsigned int __pad;
      pgtable_t pmd_huge_pte;
      long unsigned int private;
      spinlock_t ptl;
      struct kmem_cache *slab_cache;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 4.8: ✅

  struct page {
      long unsigned int flags;
      struct address_space *mapping;
      void *s_mem;
      atomic_t compound_mapcount;
      long unsigned int index;
      void *freelist;
      long unsigned int counters;
      atomic_t _mapcount;
      unsigned int active;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      int units;
      atomic_t _refcount;
      struct list_head lru;
      struct dev_pagemap *pgmap;
      struct page *next;
      int pages;
      int pobjects;
      struct callback_head callback_head;
      long unsigned int compound_head;
      unsigned int compound_dtor;
      unsigned int compound_order;
      long unsigned int __pad;
      pgtable_t pmd_huge_pte;
      long unsigned int private;
      spinlock_t ptl;
      struct kmem_cache *slab_cache;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 4.10: ✅

  struct page {
      long unsigned int flags;
      struct address_space *mapping;
      void *s_mem;
      atomic_t compound_mapcount;
      long unsigned int index;
      void *freelist;
      long unsigned int counters;
      atomic_t _mapcount;
      unsigned int active;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      int units;
      atomic_t _refcount;
      struct list_head lru;
      struct dev_pagemap *pgmap;
      struct page *next;
      int pages;
      int pobjects;
      struct callback_head callback_head;
      long unsigned int compound_head;
      unsigned int compound_dtor;
      unsigned int compound_order;
      long unsigned int __pad;
      pgtable_t pmd_huge_pte;
      long unsigned int private;
      spinlock_t ptl;
      struct kmem_cache *slab_cache;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 4.13: ✅

  struct page {
      long unsigned int flags;
      struct address_space *mapping;
      void *s_mem;
      atomic_t compound_mapcount;
      long unsigned int index;
      void *freelist;
      long unsigned int counters;
      atomic_t _mapcount;
      unsigned int active;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      int units;
      atomic_t _refcount;
      struct list_head lru;
      struct dev_pagemap *pgmap;
      struct page *next;
      int pages;
      int pobjects;
      struct callback_head callback_head;
      long unsigned int compound_head;
      unsigned int compound_dtor;
      unsigned int compound_order;
      long unsigned int __pad;
      pgtable_t pmd_huge_pte;
      long unsigned int private;
      spinlock_t ptl;
      struct kmem_cache *slab_cache;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 4.15: ✅

  struct page {
      long unsigned int flags;
      struct address_space *mapping;
      void *s_mem;
      atomic_t compound_mapcount;
      long unsigned int index;
      void *freelist;
      long unsigned int counters;
      atomic_t _mapcount;
      unsigned int active;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      int units;
      atomic_t _refcount;
      struct list_head lru;
      struct dev_pagemap *pgmap;
      struct page *next;
      int pages;
      int pobjects;
      struct callback_head callback_head;
      long unsigned int compound_head;
      unsigned int compound_dtor;
      unsigned int compound_order;
      long unsigned int __pad;
      pgtable_t pmd_huge_pte;
      long unsigned int private;
      spinlock_t ptl;
      struct kmem_cache *slab_cache;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 4.18: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      long unsigned int hmm_data;
      long unsigned int _zd_pad_1;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 5.0: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      long unsigned int hmm_data;
      long unsigned int _zd_pad_1;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 5.3: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 5.4: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 5.8: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      atomic_t hpage_pinned_refcount;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In 5.11: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      unsigned int compound_nr;
      long unsigned int _compound_pad_1;
      atomic_t hpage_pinned_refcount;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      long unsigned int memcg_data;
  };
  

• In 5.13: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      long unsigned int dma_addr[2];
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      unsigned int compound_nr;
      long unsigned int _compound_pad_1;
      atomic_t hpage_pinned_refcount;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      long unsigned int memcg_data;
  };
  

• In 5.15: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      long unsigned int pp_magic;
      struct page_pool *pp;
      long unsigned int _pp_mapping_pad;
      long unsigned int dma_addr;
      long unsigned int dma_addr_upper;
      atomic_long_t pp_frag_count;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      unsigned int compound_nr;
      long unsigned int _compound_pad_1;
      atomic_t hpage_pinned_refcount;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      long unsigned int memcg_data;
  };
  

• In 5.19: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      void *__filler;
      unsigned int mlock_count;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      long unsigned int pp_magic;
      struct page_pool *pp;
      long unsigned int _pp_mapping_pad;
      long unsigned int dma_addr;
      long unsigned int dma_addr_upper;
      atomic_long_t pp_frag_count;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      atomic_t compound_pincount;
      unsigned int compound_nr;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      atomic_t _refcount;
      long unsigned int memcg_data;
  };
  

• In 6.2: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      void *__filler;
      unsigned int mlock_count;
      struct list_head buddy_list;
      struct list_head pcp_list;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int share;
      long unsigned int private;
      long unsigned int pp_magic;
      struct page_pool *pp;
      long unsigned int _pp_mapping_pad;
      long unsigned int dma_addr;
      long unsigned int dma_addr_upper;
      atomic_long_t pp_frag_count;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      atomic_t subpages_mapcount;
      atomic_t compound_pincount;
      unsigned int compound_nr;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _hugetlb_pad_1;
      void *hugetlb_subpool;
      void *hugetlb_cgroup;
      void *hugetlb_cgroup_rsvd;
      void *hugetlb_hwpoison;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      atomic_t _refcount;
      long unsigned int memcg_data;
  };
  

• In 6.5: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      void *__filler;
      unsigned int mlock_count;
      struct list_head buddy_list;
      struct list_head pcp_list;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int share;
      long unsigned int private;
      long unsigned int pp_magic;
      struct page_pool *pp;
      long unsigned int _pp_mapping_pad;
      long unsigned int dma_addr;
      long unsigned int dma_addr_upper;
      atomic_long_t pp_frag_count;
      long unsigned int compound_head;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      atomic_t _refcount;
      long unsigned int memcg_data;
  };
  

• In 6.8: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      void *__filler;
      unsigned int mlock_count;
      struct list_head buddy_list;
      struct list_head pcp_list;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int share;
      long unsigned int private;
      long unsigned int pp_magic;
      struct page_pool *pp;
      long unsigned int _pp_mapping_pad;
      long unsigned int dma_addr;
      atomic_long_t pp_ref_count;
      long unsigned int compound_head;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      atomic_t _refcount;
      long unsigned int memcg_data;
  };
  

Arch

• In arm64: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In armhf: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      short int pages;
      short int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In ppc64el: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In riscv64: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

Flavor

• In aws: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In azure: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In gcp: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

• In lowlatency: ✅

  struct page {
      long unsigned int flags;
      struct list_head lru;
      struct address_space *mapping;
      long unsigned int index;
      long unsigned int private;
      dma_addr_t dma_addr;
      struct list_head slab_list;
      struct page *next;
      int pages;
      int pobjects;
      struct kmem_cache *slab_cache;
      void *freelist;
      void *s_mem;
      long unsigned int counters;
      unsigned int inuse;
      unsigned int objects;
      unsigned int frozen;
      long unsigned int compound_head;
      unsigned char compound_dtor;
      unsigned char compound_order;
      atomic_t compound_mapcount;
      long unsigned int _compound_pad_1;
      long unsigned int _compound_pad_2;
      struct list_head deferred_list;
      long unsigned int _pt_pad_1;
      pgtable_t pmd_huge_pte;
      long unsigned int _pt_pad_2;
      struct mm_struct *pt_mm;
      atomic_t pt_frag_refcount;
      spinlock_t ptl;
      struct dev_pagemap *pgmap;
      void *zone_device_data;
      struct callback_head callback_head;
      atomic_t _mapcount;
      unsigned int page_type;
      unsigned int active;
      int units;
      atomic_t _refcount;
      struct mem_cgroup *mem_cgroup;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. atomic_t compound_mapcount
  • Field added. atomic_t _refcount
  • Field added. struct dev_pagemap *pgmap
  • Field removed. atomic_t _count
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct list_head slab_list
  • Field added. long unsigned int _compound_pad_1
  • Field added. long unsigned int _compound_pad_2
  • Field added. struct list_head deferred_list
  • Field added. long unsigned int _pt_pad_1
  • Field added. long unsigned int _pt_pad_2
  • Field added. struct mm_struct *pt_mm
  • Field added. atomic_t pt_frag_refcount
  • Field added. long unsigned int hmm_data
  • Field added. long unsigned int _zd_pad_1
  • Field added. unsigned int page_type
  • Field removed. long unsigned int __pad
  • Field type changed. unsigned int compound_dtor ➡️ unsigned char compound_dtor
  • Field type changed. unsigned int compound_order ➡️ unsigned char compound_order
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. dma_addr_t dma_addr
  • Field added. void *zone_device_data
  • Field removed. long unsigned int hmm_data
  • Field removed. long unsigned int _zd_pad_1
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. atomic_t hpage_pinned_refcount
  • Field removed. long unsigned int _compound_pad_2
• Changed between 5.8 and 5.11 ⚠️

  • Field added. unsigned int compound_nr
  • Field added. long unsigned int memcg_data
  • Field removed. struct mem_cgroup *mem_cgroup
• Changed between 5.11 and 5.13 ⚠️

  • Field type changed. dma_addr_t dma_addr ➡️ long unsigned int dma_addr[2]
• Changed between 5.13 and 5.15 ⚠️

  • Field added. long unsigned int pp_magic
  • Field added. struct page_pool *pp
  • Field added. long unsigned int _pp_mapping_pad
  • Field added. long unsigned int dma_addr_upper
  • Field added. atomic_long_t pp_frag_count
  • Field type changed. long unsigned int dma_addr[2] ➡️ long unsigned int dma_addr
• Changed between 5.15 and 5.19 ⚠️

  • Field added. void *__filler
  • Field added. unsigned int mlock_count
  • Field added. atomic_t compound_pincount
  • Field added. long unsigned int _compound_pad_2
  • Field removed. struct list_head slab_list
  • Field removed. struct page *next
  • Field removed. int pages
  • Field removed. int pobjects
  • Field removed. struct kmem_cache *slab_cache
  • Field removed. void *freelist
  • Field removed. void *s_mem
  • Field removed. long unsigned int counters
  • Field removed. unsigned int inuse
  • Field removed. unsigned int objects
  • Field removed. unsigned int frozen
  • Field removed. atomic_t hpage_pinned_refcount
  • Field removed. unsigned int active
  • Field removed. int units
• Changed between 5.19 and 6.2 ⚠️

  • Field added. struct list_head buddy_list
  • Field added. struct list_head pcp_list
  • Field added. long unsigned int share
  • Field added. atomic_t subpages_mapcount
  • Field added. long unsigned int _hugetlb_pad_1
  • Field added. void *hugetlb_subpool
  • Field added. void *hugetlb_cgroup
  • Field added. void *hugetlb_cgroup_rsvd
  • Field added. void *hugetlb_hwpoison
• Changed between 6.2 and 6.5 ⚠️

  • Field removed. unsigned char compound_dtor
  • Field removed. unsigned char compound_order
  • Field removed. atomic_t compound_mapcount
  • Field removed. atomic_t subpages_mapcount
  • Field removed. atomic_t compound_pincount
  • Field removed. unsigned int compound_nr
  • Field removed. long unsigned int _compound_pad_1
  • Field removed. long unsigned int _compound_pad_2
  • Field removed. struct list_head deferred_list
  • Field removed. long unsigned int _hugetlb_pad_1
  • Field removed. void *hugetlb_subpool
  • Field removed. void *hugetlb_cgroup
  • Field removed. void *hugetlb_cgroup_rsvd
  • Field removed. void *hugetlb_hwpoison
• Changed between 6.5 and 6.8 ⚠️

  • Field added. atomic_long_t pp_ref_count
  • Field removed. long unsigned int dma_addr_upper
  • Field removed. atomic_long_t pp_frag_count
  • Field removed. long unsigned int _pt_pad_1
  • Field removed. pgtable_t pmd_huge_pte
  • Field removed. long unsigned int _pt_pad_2
  • Field removed. struct mm_struct *pt_mm
  • Field removed. atomic_t pt_frag_refcount
  • Field removed. spinlock_t ptl

Arch

• No changes between amd64 and arm64 ✅
• Changed between amd64 and armhf ⚠️

  • Field type changed. int pages ➡️ short int pages
  • Field type changed. int pobjects ➡️ short int pobjects
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅