diff options
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 10d741e8fe51..9c04cf8e6487 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -58,6 +58,12 @@ enum memcg_memory_event { MEMCG_NR_MEMORY_EVENTS, }; +enum mem_cgroup_protection { + MEMCG_PROT_NONE, + MEMCG_PROT_LOW, + MEMCG_PROT_MIN, +}; + struct mem_cgroup_reclaim_cookie { pg_data_t *pgdat; int priority; @@ -289,7 +295,8 @@ static inline bool mem_cgroup_disabled(void) return !cgroup_subsys_enabled(memory_cgrp_subsys); } -bool mem_cgroup_low(struct mem_cgroup *root, struct mem_cgroup *memcg); +enum mem_cgroup_protection mem_cgroup_protected(struct mem_cgroup *root, + struct mem_cgroup *memcg); int mem_cgroup_try_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask, struct mem_cgroup **memcgp, @@ -734,10 +741,10 @@ static inline void memcg_memory_event(struct mem_cgroup *memcg, { } -static inline bool mem_cgroup_low(struct mem_cgroup *root, - struct mem_cgroup *memcg) +static inline enum mem_cgroup_protection mem_cgroup_protected( + struct mem_cgroup *root, struct mem_cgroup *memcg) { - return false; + return MEMCG_PROT_NONE; } static inline int mem_cgroup_try_charge(struct page *page, struct mm_struct *mm, |