diff options
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 1803abfd7c00..534267947664 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -94,8 +94,8 @@ enum mem_cgroup_events_target { MEM_CGROUP_NTARGETS, }; -struct mem_cgroup_stat_cpu { - long count[MEMCG_NR_STAT]; +struct memcg_vmstats_percpu { + long stat[MEMCG_NR_STAT]; unsigned long events[NR_VM_EVENT_ITEMS]; unsigned long nr_page_events; unsigned long targets[MEM_CGROUP_NTARGETS]; @@ -274,12 +274,12 @@ struct mem_cgroup { struct task_struct *move_lock_task; /* memory.stat */ - struct mem_cgroup_stat_cpu __percpu *stat_cpu; + struct memcg_vmstats_percpu __percpu *vmstats_percpu; MEMCG_PADDING(_pad2_); - atomic_long_t stat[MEMCG_NR_STAT]; - atomic_long_t events[NR_VM_EVENT_ITEMS]; + atomic_long_t vmstats[MEMCG_NR_STAT]; + atomic_long_t vmevents[NR_VM_EVENT_ITEMS]; atomic_long_t memory_events[MEMCG_NR_MEMORY_EVENTS]; unsigned long socket_pressure; @@ -585,7 +585,7 @@ void unlock_page_memcg(struct page *page); static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx) { - long x = atomic_long_read(&memcg->stat[idx]); + long x = atomic_long_read(&memcg->vmstats[idx]); #ifdef CONFIG_SMP if (x < 0) x = 0; @@ -602,12 +602,12 @@ static inline void __mod_memcg_state(struct mem_cgroup *memcg, if (mem_cgroup_disabled()) return; - x = val + __this_cpu_read(memcg->stat_cpu->count[idx]); + x = val + __this_cpu_read(memcg->vmstats_percpu->stat[idx]); if (unlikely(abs(x) > MEMCG_CHARGE_BATCH)) { - atomic_long_add(x, &memcg->stat[idx]); + atomic_long_add(x, &memcg->vmstats[idx]); x = 0; } - __this_cpu_write(memcg->stat_cpu->count[idx], x); + __this_cpu_write(memcg->vmstats_percpu->stat[idx], x); } /* idx can be of type enum memcg_stat_item or node_stat_item */ @@ -745,12 +745,12 @@ static inline void __count_memcg_events(struct mem_cgroup *memcg, if (mem_cgroup_disabled()) return; - x = count + __this_cpu_read(memcg->stat_cpu->events[idx]); + x = count + __this_cpu_read(memcg->vmstats_percpu->events[idx]); if (unlikely(x > MEMCG_CHARGE_BATCH)) { - atomic_long_add(x, &memcg->events[idx]); + atomic_long_add(x, &memcg->vmevents[idx]); x = 0; } - __this_cpu_write(memcg->stat_cpu->events[idx], x); + __this_cpu_write(memcg->vmstats_percpu->events[idx], x); } static inline void count_memcg_events(struct mem_cgroup *memcg, @@ -789,8 +789,14 @@ static inline void count_memcg_event_mm(struct mm_struct *mm, static inline void memcg_memory_event(struct mem_cgroup *memcg, enum memcg_memory_event event) { - atomic_long_inc(&memcg->memory_events[event]); - cgroup_file_notify(&memcg->events_file); + do { + atomic_long_inc(&memcg->memory_events[event]); + cgroup_file_notify(&memcg->events_file); + + if (cgrp_dfl_root.flags & CGRP_ROOT_MEMORY_LOCAL_EVENTS) + break; + } while ((memcg = parent_mem_cgroup(memcg)) && + !mem_cgroup_is_root(memcg)); } static inline void memcg_memory_event_mm(struct mm_struct *mm, |