website-struct

Struct: scan_control

Status

Regular

• In 4.4: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      gfp_t gfp_mask;
      int order;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      int priority;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int may_thrash;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
  };
  

• In 4.8: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      gfp_t gfp_mask;
      int order;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      int priority;
      enum zone_type reclaim_idx;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int may_thrash;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
  };
  

• In 4.10: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      gfp_t gfp_mask;
      int order;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      int priority;
      enum zone_type reclaim_idx;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int may_thrash;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
  };
  

• In 4.13: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      gfp_t gfp_mask;
      int order;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      int priority;
      enum zone_type reclaim_idx;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
  };
  

• In 4.15: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      gfp_t gfp_mask;
      int order;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      int priority;
      enum zone_type reclaim_idx;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
  };
  

• In 4.18: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      gfp_t gfp_mask;
      int order;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      int priority;
      enum zone_type reclaim_idx;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
  };
  

• In 5.0: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int may_shrinkslab;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
  };
  

• In 5.3: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 5.4: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 5.8: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 5.11: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 5.13: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 5.15: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      unsigned int no_demotion;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 5.19: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      unsigned int no_demotion;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 6.2: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int proactive;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      unsigned int no_demotion;
      unsigned int memcgs_need_aging;
      long unsigned int last_reclaimed;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 6.5: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int proactive;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      unsigned int no_demotion;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In 6.8: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      long unsigned int anon_cost;
      long unsigned int file_cost;
      unsigned int may_deactivate;
      unsigned int force_deactivate;
      unsigned int skipped_deactivate;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int proactive;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      unsigned int cache_trim_mode;
      unsigned int file_is_tiny;
      unsigned int no_demotion;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

Arch

• In arm64: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In armhf: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In ppc64el: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In riscv64: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

Flavor

• In aws: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In azure: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In gcp: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

• In lowlatency: ✅

  struct scan_control {
      long unsigned int nr_to_reclaim;
      nodemask_t *nodemask;
      struct mem_cgroup *target_mem_cgroup;
      unsigned int may_writepage;
      unsigned int may_unmap;
      unsigned int may_swap;
      unsigned int memcg_low_reclaim;
      unsigned int memcg_low_skipped;
      unsigned int hibernation_mode;
      unsigned int compaction_ready;
      s8 order;
      s8 priority;
      s8 reclaim_idx;
      gfp_t gfp_mask;
      long unsigned int nr_scanned;
      long unsigned int nr_reclaimed;
      struct (anon) nr;
      struct reclaim_state reclaim_state;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. enum zone_type reclaim_idx
• No changes between 4.8 and 4.10 ✅
• Changed between 4.10 and 4.13 ⚠️

  • Field added. unsigned int memcg_low_reclaim
  • Field added. unsigned int memcg_low_skipped
  • Field removed. unsigned int may_thrash
• No changes between 4.13 and 4.15 ✅
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct (anon) nr
• Changed between 4.18 and 5.0 ⚠️

  • Field added. unsigned int may_shrinkslab
  • Field type changed. int order ➡️ s8 order
  • Field type changed. int priority ➡️ s8 priority
  • Field type changed. enum zone_type reclaim_idx ➡️ s8 reclaim_idx
• Changed between 5.0 and 5.3 ⚠️

  • Field added. struct reclaim_state reclaim_state
  • Field removed. unsigned int may_shrinkslab
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. long unsigned int anon_cost
  • Field added. long unsigned int file_cost
  • Field added. unsigned int may_deactivate
  • Field added. unsigned int force_deactivate
  • Field added. unsigned int skipped_deactivate
  • Field added. unsigned int cache_trim_mode
  • Field added. unsigned int file_is_tiny
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. unsigned int no_demotion
• No changes between 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Field added. unsigned int proactive
  • Field added. unsigned int memcgs_need_aging
  • Field added. long unsigned int last_reclaimed
• Changed between 6.2 and 6.5 ⚠️

  • Field removed. unsigned int memcgs_need_aging
  • Field removed. long unsigned int last_reclaimed
• 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 ✅