website-struct

Struct: compact_control

Status

Regular

• In 4.4: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      long unsigned int nr_freepages;
      long unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int last_migrated_pfn;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      int order;
      const gfp_t gfp_mask;
      const int alloc_flags;
      const int classzone_idx;
      struct zone *zone;
      int contended;
  };
  

• In 4.8: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      long unsigned int nr_freepages;
      long unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int last_migrated_pfn;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool direct_compaction;
      bool whole_zone;
      int order;
      const gfp_t gfp_mask;
      const unsigned int alloc_flags;
      const int classzone_idx;
      struct zone *zone;
      bool contended;
  };
  

• In 4.10: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      long unsigned int nr_freepages;
      long unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int last_migrated_pfn;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      int order;
      const gfp_t gfp_mask;
      const unsigned int alloc_flags;
      const int classzone_idx;
      struct zone *zone;
      bool contended;
  };
  

• In 4.13: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      struct zone *zone;
      long unsigned int nr_freepages;
      long unsigned int nr_migratepages;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int last_migrated_pfn;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool finishing_block;
  };
  

• In 4.15: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      struct zone *zone;
      long unsigned int nr_freepages;
      long unsigned int nr_migratepages;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int last_migrated_pfn;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool finishing_block;
  };
  

• In 4.18: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      struct zone *zone;
      long unsigned int nr_freepages;
      long unsigned int nr_migratepages;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int last_migrated_pfn;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool finishing_block;
  };
  

• In 5.0: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      struct zone *zone;
      long unsigned int nr_freepages;
      long unsigned int nr_migratepages;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int last_migrated_pfn;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool finishing_block;
  };
  

• In 5.3: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In 5.4: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In 5.8: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
      bool alloc_contig;
  };
  

• In 5.11: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool proactive_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
      bool alloc_contig;
  };
  

• In 5.13: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool proactive_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
      bool alloc_contig;
  };
  

• In 5.15: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool proactive_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
      bool alloc_contig;
  };
  

• In 5.19: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool proactive_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
      bool alloc_contig;
  };
  

• In 6.2: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool proactive_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
      bool alloc_contig;
  };
  

• In 6.5: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool proactive_compaction;
      bool whole_zone;
      bool contended;
      bool finish_pageblock;
      bool alloc_contig;
  };
  

• In 6.8: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int highest_zoneidx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool proactive_compaction;
      bool whole_zone;
      bool contended;
      bool finish_pageblock;
      bool alloc_contig;
  };
  

Arch

• In arm64: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In armhf: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In ppc64el: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In riscv64: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

Flavor

• In aws: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In azure: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In gcp: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

• In lowlatency: ✅

  struct compact_control {
      struct list_head freepages;
      struct list_head migratepages;
      unsigned int nr_freepages;
      unsigned int nr_migratepages;
      long unsigned int free_pfn;
      long unsigned int migrate_pfn;
      long unsigned int fast_start_pfn;
      struct zone *zone;
      long unsigned int total_migrate_scanned;
      long unsigned int total_free_scanned;
      short unsigned int fast_search_fail;
      short int search_order;
      const gfp_t gfp_mask;
      int order;
      int migratetype;
      const unsigned int alloc_flags;
      const int classzone_idx;
      enum migrate_mode mode;
      bool ignore_skip_hint;
      bool no_set_skip_hint;
      bool ignore_block_suitable;
      bool direct_compaction;
      bool whole_zone;
      bool contended;
      bool rescan;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. bool direct_compaction
  • Field added. bool whole_zone
  • Field type changed. const int alloc_flags ➡️ const unsigned int alloc_flags
  • Field type changed. int contended ➡️ bool contended
• Changed between 4.8 and 4.10 ⚠️

  • Field added. bool ignore_block_suitable
• Changed between 4.10 and 4.13 ⚠️

  • Field added. long unsigned int total_migrate_scanned
  • Field added. long unsigned int total_free_scanned
  • Field added. int migratetype
  • Field added. bool finishing_block
• Changed between 4.13 and 4.15 ⚠️

  • Field added. bool no_set_skip_hint
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. long unsigned int fast_start_pfn
  • Field added. short unsigned int fast_search_fail
  • Field added. short int search_order
  • Field added. bool rescan
  • Field removed. long unsigned int last_migrated_pfn
  • Field removed. bool finishing_block
  • Field type changed. long unsigned int nr_freepages ➡️ unsigned int nr_freepages
  • Field type changed. long unsigned int nr_migratepages ➡️ unsigned int nr_migratepages
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. const int highest_zoneidx
  • Field added. bool alloc_contig
  • Field removed. const int classzone_idx
• Changed between 5.8 and 5.11 ⚠️

  • Field added. bool proactive_compaction
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• Changed between 6.2 and 6.5 ⚠️

  • Field added. bool finish_pageblock
  • Field removed. bool rescan
• No changes between 6.5 and 6.8 ✅

Arch

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