>From 92c2a5d90ecc5eeed0224a8f6ba533c621ac3ffa Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@xxxxxxxxxx>
Date: Tue, 2 Jun 2015 09:29:11 -0400
Since 4942642080ea ("mm: memcg: handle non-error OOM situations more
gracefully"), nobody uses mem_cgroup->oom_wakeups. Remove it.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
mm/memcontrol.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 86648a7..9f39647 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -287,7 +287,6 @@ struct mem_cgroup {
bool oom_lock;
atomic_t under_oom;
- atomic_t oom_wakeups;
int swappiness;
/* OOM-Killer disable */
@@ -1852,7 +1851,6 @@ static int memcg_oom_wake_function(wait_queue_t *wait,
static void memcg_wakeup_oom(struct mem_cgroup *memcg)
{
- atomic_inc(&memcg->oom_wakeups);
/* for filtering, pass "memcg" as argument. */
__wake_up(&memcg_oom_waitq, TASK_NORMAL, 0, memcg);
}
--
2.4.2
--
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