diff options
| -rw-r--r-- | include/linux/memcontrol.h | 9 | ||||
| -rw-r--r-- | mm/memcontrol.c | 6 |
2 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 11ddc7ffeba..e98a74c0c9c 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -181,7 +181,14 @@ unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, gfp_t gfp_mask, unsigned long *total_scanned); -void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx); +void __mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx); +static inline void mem_cgroup_count_vm_event(struct mm_struct *mm, + enum vm_event_item idx) +{ + if (mem_cgroup_disabled()) + return; + __mem_cgroup_count_vm_event(mm, idx); +} #ifdef CONFIG_TRANSPARENT_HUGEPAGE void mem_cgroup_split_huge_fixup(struct page *head); #endif diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 49d86d06e1d..7f0e3571df7 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -59,6 +59,8 @@ #include <trace/events/vmscan.h> struct cgroup_subsys mem_cgroup_subsys __read_mostly; +EXPORT_SYMBOL(mem_cgroup_subsys); + #define MEM_CGROUP_RECLAIM_RETRIES 5 static struct mem_cgroup *root_mem_cgroup __read_mostly; @@ -1015,7 +1017,7 @@ void mem_cgroup_iter_break(struct mem_cgroup *root, iter != NULL; \ iter = mem_cgroup_iter(NULL, iter, NULL)) -void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx) +void __mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx) { struct mem_cgroup *memcg; @@ -1040,7 +1042,7 @@ void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx) out: rcu_read_unlock(); } -EXPORT_SYMBOL(mem_cgroup_count_vm_event); +EXPORT_SYMBOL(__mem_cgroup_count_vm_event); /** * mem_cgroup_zone_lruvec - get the lru list vector for a zone and memcg |