linux-kernel - [PATCH] mm: memcontrol: correct the comment of mem_cgroup_unmark_under

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Date:   Wed, 16 Sep 2020 09:19:27 -0400
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <hannes@...xchg.org>, <mhocko@...nel.org>,
        <vdavydov.dev@...il.com>, <akpm@...ux-foundation.org>
CC:     <cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH] mm: memcontrol: correct the comment of mem_cgroup_unmark_under_oom()

Since commit fb2a6fc56be6 ("mm: memcg: rework and document OOM waiting and
wakeup"), we have renamed mem_cgroup_oom_lock to mem_cgroup_oom_trylock. So
replace mem_cgroup_oom_lock with mem_cgroup_oom_trylock in comment.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3d26b4b954e2..702aa4d7ebbc 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1846,7 +1846,7 @@ static void mem_cgroup_unmark_under_oom(struct mem_cgroup *memcg)
 
 	/*
 	 * When a new child is created while the hierarchy is under oom,
-	 * mem_cgroup_oom_lock() may not be called. Watch for underflow.
+	 * mem_cgroup_oom_trylock() may not be called. Watch for underflow.
 	 */
 	spin_lock(&memcg_oom_lock);
 	for_each_mem_cgroup_tree(iter, memcg)
-- 
2.19.1