diff options
Diffstat (limited to 'include/linux/memcontrol.h')
-rw-r--r-- | include/linux/memcontrol.h | 69 |
1 files changed, 19 insertions, 50 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index f94efd2f6c2..83e7ba90d6e 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -63,12 +63,7 @@ extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask); struct lruvec *mem_cgroup_zone_lruvec(struct zone *, struct mem_cgroup *); -struct lruvec *mem_cgroup_lru_add_list(struct zone *, struct page *, - enum lru_list); -void mem_cgroup_lru_del_list(struct page *, enum lru_list); -void mem_cgroup_lru_del(struct page *); -struct lruvec *mem_cgroup_lru_move_lists(struct zone *, struct page *, - enum lru_list, enum lru_list); +struct lruvec *mem_cgroup_page_lruvec(struct page *, struct zone *); /* For coalescing uncharge for reducing memcg' overhead*/ extern void mem_cgroup_uncharge_start(void); @@ -79,6 +74,8 @@ extern void mem_cgroup_uncharge_cache_page(struct page *page); extern void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask, int order); +bool __mem_cgroup_same_or_subtree(const struct mem_cgroup *root_memcg, + struct mem_cgroup *memcg); int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *memcg); extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page); @@ -92,10 +89,13 @@ static inline int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup) { struct mem_cgroup *memcg; + int match; + rcu_read_lock(); memcg = mem_cgroup_from_task(rcu_dereference((mm)->owner)); + match = __mem_cgroup_same_or_subtree(cgroup, memcg); rcu_read_unlock(); - return cgroup == memcg; + return match; } extern struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *memcg); @@ -114,17 +114,11 @@ void mem_cgroup_iter_break(struct mem_cgroup *, struct mem_cgroup *); /* * For memory reclaim. */ -int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg, - struct zone *zone); -int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg, - struct zone *zone); +int mem_cgroup_inactive_anon_is_low(struct lruvec *lruvec); +int mem_cgroup_inactive_file_is_low(struct lruvec *lruvec); int mem_cgroup_select_victim_node(struct mem_cgroup *memcg); -unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, - int nid, int zid, unsigned int lrumask); -struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, - struct zone *zone); -struct zone_reclaim_stat* -mem_cgroup_get_reclaim_stat_from_page(struct page *page); +unsigned long mem_cgroup_get_lru_size(struct lruvec *lruvec, enum lru_list); +void mem_cgroup_update_lru_size(struct lruvec *, enum lru_list, int); extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p); extern void mem_cgroup_replace_page_cache(struct page *oldpage, @@ -251,25 +245,8 @@ static inline struct lruvec *mem_cgroup_zone_lruvec(struct zone *zone, return &zone->lruvec; } -static inline struct lruvec *mem_cgroup_lru_add_list(struct zone *zone, - struct page *page, - enum lru_list lru) -{ - return &zone->lruvec; -} - -static inline void mem_cgroup_lru_del_list(struct page *page, enum lru_list lru) -{ -} - -static inline void mem_cgroup_lru_del(struct page *page) -{ -} - -static inline struct lruvec *mem_cgroup_lru_move_lists(struct zone *zone, - struct page *page, - enum lru_list from, - enum lru_list to) +static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page, + struct zone *zone) { return &zone->lruvec; } @@ -333,35 +310,27 @@ static inline bool mem_cgroup_disabled(void) } static inline int -mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg, struct zone *zone) +mem_cgroup_inactive_anon_is_low(struct lruvec *lruvec) { return 1; } static inline int -mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg, struct zone *zone) +mem_cgroup_inactive_file_is_low(struct lruvec *lruvec) { return 1; } static inline unsigned long -mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid, - unsigned int lru_mask) +mem_cgroup_get_lru_size(struct lruvec *lruvec, enum lru_list lru) { return 0; } - -static inline struct zone_reclaim_stat* -mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, struct zone *zone) -{ - return NULL; -} - -static inline struct zone_reclaim_stat* -mem_cgroup_get_reclaim_stat_from_page(struct page *page) +static inline void +mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru, + int increment) { - return NULL; } static inline void |