diff options
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index f3c026df7443..2cccbb9e1b3e 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -112,6 +112,15 @@ struct lruvec_stat { }; /* + * Bitmap of shrinker::id corresponding to memcg-aware shrinkers, + * which have elements charged to this memcg. + */ +struct memcg_shrinker_map { + struct rcu_head rcu; + unsigned long map[0]; +}; + +/* * per-zone information in memory controller. */ struct mem_cgroup_per_node { @@ -124,6 +133,9 @@ struct mem_cgroup_per_node { struct mem_cgroup_reclaim_iter iter[DEF_PRIORITY + 1]; +#ifdef CONFIG_MEMCG_KMEM + struct memcg_shrinker_map __rcu *shrinker_map; +#endif struct rb_node tree_node; /* RB tree node */ unsigned long usage_in_excess;/* Set to the value by which */ /* the soft limit is exceeded*/ @@ -1262,6 +1274,8 @@ static inline int memcg_cache_id(struct mem_cgroup *memcg) return memcg ? memcg->kmemcg_id : -1; } +extern int memcg_expand_shrinker_maps(int new_id); + #else #define for_each_memcg_cache_index(_idx) \ for (; NULL; ) |