diff options
| -rw-r--r-- | mm/memcontrol.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 0e40f0205732..ebd1e86bef1c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1841,29 +1841,23 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem, */ static bool mem_cgroup_oom_lock(struct mem_cgroup *mem) { - int lock_count = -1; struct mem_cgroup *iter, *failed = NULL; bool cond = true; for_each_mem_cgroup_tree_cond(iter, mem, cond) { - bool locked = iter->oom_lock; - - iter->oom_lock = true; - if (lock_count == -1) - lock_count = iter->oom_lock; - else if (lock_count != locked) { + if (iter->oom_lock) { /* * this subtree of our hierarchy is already locked * so we cannot give a lock. */ - lock_count = 0; failed = iter; cond = false; - } + } else + iter->oom_lock = true; } if (!failed) - goto done; + return true; /* * OK, we failed to lock the whole subtree so we have to clean up @@ -1877,8 +1871,7 @@ static bool mem_cgroup_oom_lock(struct mem_cgroup *mem) } iter->oom_lock = false; } -done: - return lock_count; + return false; } /* |