diff options
Diffstat (limited to 'include/linux/damon.h')
| -rw-r--r-- | include/linux/damon.h | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/include/linux/damon.h b/include/linux/damon.h index cae8c613c5fc..3813373a9200 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -91,17 +91,23 @@ struct damon_region { * @nr_regions: Number of monitoring target regions of this target. * @regions_list: Head of the monitoring target regions of this target. * @list: List head for siblings. + * @obsolete: Whether the commit destination target is obsolete. * * Each monitoring context could have multiple targets. For example, a context * for virtual memory address spaces could have multiple target processes. The * @pid should be set for appropriate &struct damon_operations including the * virtual address spaces monitoring operations. + * + * @obsolete is used only for damon_commit_targets() source targets, to specify + * the matching destination targets are obsolete. Read damon_commit_targets() + * to see how it is handled. */ struct damon_target { struct pid *pid; unsigned int nr_regions; struct list_head regions_list; struct list_head list; + bool obsolete; }; /** @@ -147,6 +153,8 @@ enum damos_action { * @DAMOS_QUOTA_SOME_MEM_PSI_US: System level some memory PSI in us. * @DAMOS_QUOTA_NODE_MEM_USED_BP: MemUsed ratio of a node. * @DAMOS_QUOTA_NODE_MEM_FREE_BP: MemFree ratio of a node. + * @DAMOS_QUOTA_NODE_MEMCG_USED_BP: MemUsed ratio of a node for a cgroup. + * @DAMOS_QUOTA_NODE_MEMCG_FREE_BP: MemFree ratio of a node for a cgroup. * @NR_DAMOS_QUOTA_GOAL_METRICS: Number of DAMOS quota goal metrics. * * Metrics equal to larger than @NR_DAMOS_QUOTA_GOAL_METRICS are unsupported. @@ -156,6 +164,8 @@ enum damos_quota_goal_metric { DAMOS_QUOTA_SOME_MEM_PSI_US, DAMOS_QUOTA_NODE_MEM_USED_BP, DAMOS_QUOTA_NODE_MEM_FREE_BP, + DAMOS_QUOTA_NODE_MEMCG_USED_BP, + DAMOS_QUOTA_NODE_MEMCG_FREE_BP, NR_DAMOS_QUOTA_GOAL_METRICS, }; @@ -166,6 +176,7 @@ enum damos_quota_goal_metric { * @current_value: Current value of @metric. * @last_psi_total: Last measured total PSI * @nid: Node id. + * @memcg_id: Memcg id. * @list: List head for siblings. * * Data structure for getting the current score of the quota tuning goal. The @@ -176,6 +187,12 @@ enum damos_quota_goal_metric { * If @metric is DAMOS_QUOTA_USER_INPUT, @current_value should be manually * entered by the user, probably inside the kdamond callbacks. Otherwise, * DAMON sets @current_value with self-measured value of @metric. + * + * If @metric is DAMOS_QUOTA_NODE_MEM_{USED,FREE}_BP, @nid represents the node + * id of the target node to account the used/free memory. + * + * If @metric is DAMOS_QUOTA_NODE_MEMCG_{USED,FREE}_BP, @nid and @memcg_id + * represents the node id and the cgroup to account the used memory for. */ struct damos_quota_goal { enum damos_quota_goal_metric metric; @@ -184,7 +201,10 @@ struct damos_quota_goal { /* metric-dependent fields */ union { u64 last_psi_total; - int nid; + struct { + int nid; + unsigned short memcg_id; + }; }; struct list_head list; }; @@ -472,7 +492,7 @@ struct damos_migrate_dests { * @wmarks: Watermarks for automated (in)activation of this scheme. * @migrate_dests: Destination nodes if @action is "migrate_{hot,cold}". * @target_nid: Destination node if @action is "migrate_{hot,cold}". - * @filters: Additional set of &struct damos_filter for &action. + * @core_filters: Additional set of &struct damos_filter for &action. * @ops_filters: ops layer handling &struct damos_filter objects list. * @last_applied: Last @action applied ops-managing entity. * @stat: Statistics of this scheme. @@ -498,7 +518,7 @@ struct damos_migrate_dests { * * Before applying the &action to a memory region, &struct damon_operations * implementation could check pages of the region and skip &action to respect - * &filters + * &core_filters * * The minimum entity that @action can be applied depends on the underlying * &struct damon_operations. Since it may not be aligned with the core layer @@ -542,7 +562,7 @@ struct damos { struct damos_migrate_dests migrate_dests; }; }; - struct list_head filters; + struct list_head core_filters; struct list_head ops_filters; void *last_applied; struct damos_stat stat; @@ -851,11 +871,11 @@ static inline unsigned long damon_sz_region(struct damon_region *r) #define damos_for_each_quota_goal_safe(goal, next, quota) \ list_for_each_entry_safe(goal, next, &(quota)->goals, list) -#define damos_for_each_filter(f, scheme) \ - list_for_each_entry(f, &(scheme)->filters, list) +#define damos_for_each_core_filter(f, scheme) \ + list_for_each_entry(f, &(scheme)->core_filters, list) -#define damos_for_each_filter_safe(f, next, scheme) \ - list_for_each_entry_safe(f, next, &(scheme)->filters, list) +#define damos_for_each_core_filter_safe(f, next, scheme) \ + list_for_each_entry_safe(f, next, &(scheme)->core_filters, list) #define damos_for_each_ops_filter(f, scheme) \ list_for_each_entry(f, &(scheme)->ops_filters, list) @@ -947,7 +967,8 @@ int damon_call(struct damon_ctx *ctx, struct damon_call_control *control); int damos_walk(struct damon_ctx *ctx, struct damos_walk_control *control); int damon_set_region_biggest_system_ram_default(struct damon_target *t, - unsigned long *start, unsigned long *end); + unsigned long *start, unsigned long *end, + unsigned long min_sz_region); #endif /* CONFIG_DAMON */ |