website-struct

Struct: vm_area_struct

Status

Regular

• In 4.4: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 4.8: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 4.10: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 4.13: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 4.15: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 4.18: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.0: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.3: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.4: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.8: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.11: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.13: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.15: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 5.19: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct anon_vma_name *anon_name;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 6.2: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      struct anon_vma_name *anon_name;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 6.5: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct callback_head vm_rcu;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      const vm_flags_t vm_flags;
      vm_flags_t __vm_flags;
      int vm_lock_seq;
      struct vma_lock *vm_lock;
      bool detached;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      void *vm_private_data;
      struct anon_vma_name *anon_name;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vma_numab_state *numab_state;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In 6.8: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct callback_head vm_rcu;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      const vm_flags_t vm_flags;
      vm_flags_t __vm_flags;
      int vm_lock_seq;
      struct vma_lock *vm_lock;
      bool detached;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      void *vm_private_data;
      struct anon_vma_name *anon_name;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vma_numab_state *numab_state;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

Arch

• In arm64: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In armhf: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In ppc64el: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In riscv64: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

Flavor

• In aws: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In azure: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In gcp: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

• In lowlatency: ✅

  struct vm_area_struct {
      long unsigned int vm_start;
      long unsigned int vm_end;
      struct vm_area_struct *vm_next;
      struct vm_area_struct *vm_prev;
      struct rb_node vm_rb;
      long unsigned int rb_subtree_gap;
      struct mm_struct *vm_mm;
      pgprot_t vm_page_prot;
      long unsigned int vm_flags;
      struct (anon) shared;
      struct list_head anon_vma_chain;
      struct anon_vma *anon_vma;
      const struct vm_operations_struct *vm_ops;
      long unsigned int vm_pgoff;
      struct file *vm_file;
      struct file *vm_prfile;
      void *vm_private_data;
      atomic_long_t swap_readahead_info;
      struct mempolicy *vm_policy;
      struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field added. atomic_long_t swap_readahead_info
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• Changed between 5.11 and 5.13 ⚠️

  • Field removed. struct file *vm_prfile
• Changed between 5.13 and 5.15 ⚠️

  • Field added. struct file *vm_prfile
• Changed between 5.15 and 5.19 ⚠️

  • Field added. struct anon_vma_name *anon_name
• Changed between 5.19 and 6.2 ⚠️

  • Field removed. struct vm_area_struct *vm_next
  • Field removed. struct vm_area_struct *vm_prev
  • Field removed. struct rb_node vm_rb
  • Field removed. long unsigned int rb_subtree_gap
• Changed between 6.2 and 6.5 ⚠️

  • Field added. struct callback_head vm_rcu
  • Field added. vm_flags_t __vm_flags
  • Field added. int vm_lock_seq
  • Field added. struct vma_lock *vm_lock
  • Field added. bool detached
  • Field added. struct vma_numab_state *numab_state
  • Field removed. struct file *vm_prfile
  • Field type changed. long unsigned int vm_flags ➡️ const vm_flags_t vm_flags
• No changes between 6.5 and 6.8 ✅

Arch

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

  • Field removed. struct mempolicy *vm_policy
• No changes between amd64 and ppc64el ✅
• Changed between amd64 and riscv64 ⚠️

  • Field removed. struct mempolicy *vm_policy

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 ✅