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Message-ID: <Pine.LNX.4.64.0806290114380.20280@blonde.site>
Date: Sun, 29 Jun 2008 01:15:38 +0100 (BST)
From: Hugh Dickins <hugh@...itas.com>
To: Andrew Morton <akpm@...ux-foundation.org>
cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
Balbir Singh <balbir@...ibm.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] memcg: mem_cgroup_shrink_usage css_put
mem_cgroup_shrink_usage makes no charge: balance its css_get with a css_put.
Signed-off-by: Hugh Dickins <hugh@...itas.com>
---
Should follow mmotm's memcg-helper-function-for-relcaim-from-shmem.patch
mm/memcontrol.c | 1 +
1 file changed, 1 insertion(+)
--- mmotm/mm/memcontrol.c 2008-06-27 13:39:20.000000000 +0100
+++ linux/mm/memcontrol.c 2008-06-27 17:32:29.000000000 +0100
@@ -801,6 +801,7 @@ int mem_cgroup_shrink_usage(struct mm_st
progress = try_to_free_mem_cgroup_pages(mem, gfp_mask);
} while (!progress && --retry);
+ css_put(&mem->css);
if (!retry)
return -ENOMEM;
return 0;
--
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