diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 4afd5971f2d4..af7f18b32389 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1673,6 +1673,9 @@ enum oom_status { static enum oom_status mem_cgroup_oom(struct mem_cgroup *memcg, gfp_t mask, int order) { + enum oom_status ret; + bool locked; + if (order > PAGE_ALLOC_COSTLY_ORDER) return OOM_SKIPPED; @@ -1707,10 +1710,23 @@ static enum oom_status mem_cgroup_oom(struct mem_cgroup *memcg, gfp_t mask, int return OOM_ASYNC; } + mem_cgroup_mark_under_oom(memcg); + + locked = mem_cgroup_oom_trylock(memcg); + + if (locked) + mem_cgroup_oom_notify(memcg); + + mem_cgroup_unmark_under_oom(memcg); if (mem_cgroup_out_of_memory(memcg, mask, order)) - return OOM_SUCCESS; + ret = OOM_SUCCESS; + else + ret = OOM_FAILED; - return OOM_FAILED; + if (locked) + mem_cgroup_oom_unlock(memcg); + + return ret; } /** |