linux-kernel - [PATCH 14/14] mm: oom_kill: use IS_ERR() instead of strict checking

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Message-Id: <1283711592-7669-1-git-send-email-segooon@gmail.com>
Date:	Sun,  5 Sep 2010 22:33:12 +0400
From:	Kulikov Vasiliy <segooon@...il.com>
To:	kernel-janitors@...r.kernel.org
Cc:	Vasiliy Kulikov <segooon@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	David Rientjes <rientjes@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 14/14] mm: oom_kill: use IS_ERR() instead of strict checking

From: Vasiliy Kulikov <segooon@...il.com>

Use IS_ERR() instead of strict checking.

Signed-off-by: Vasiliy Kulikov <segooon@...il.com>
---
 Compile tested.

 mm/oom_kill.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index fc81cb2..2ee3350 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -514,7 +514,7 @@ void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask)
 	read_lock(&tasklist_lock);
 retry:
 	p = select_bad_process(&points, limit, mem, NULL);
-	if (!p || PTR_ERR(p) == -1UL)
+	if (IS_ERR_OR_NULL(p))
 		goto out;
 
 	if (oom_kill_process(p, gfp_mask, 0, points, limit, mem, NULL,
@@ -691,7 +691,7 @@ retry:
 	p = select_bad_process(&points, totalpages, NULL,
 			constraint == CONSTRAINT_MEMORY_POLICY ? nodemask :
 								 NULL);
-	if (PTR_ERR(p) == -1UL)
+	if (IS_ERR(p))
 		goto out;
 
 	/* Found nothing?!?! Either we hang forever, or we panic. */
-- 
1.7.0.4

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