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From: Li Zefan <lizefan@huawei.com>
To: Tejun Heo <tj@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Cgroups <cgroups@vger.kernel.org>,
	Containers <containers@lists.linux-foundation.org>,
	Glauber Costa <glommer@parallels.com>
Subject: [PATCH 01/10] cpuset: remove redundant check in cpuset_cpus_allowed_fallback()
Date: Fri, 19 Apr 2013 20:25:33 +0800	[thread overview]
Message-ID: <517137BD.4060203@huawei.com> (raw)
In-Reply-To: <517137A7.4020605@huawei.com>

task_cs() will never return NULL.

Signed-off-by: Li Zefan <lizefan@huawei.com>
---
 kernel/cpuset.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 866d78e..4a62dcc 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2259,8 +2259,7 @@ void cpuset_cpus_allowed_fallback(struct task_struct *tsk)
 
 	rcu_read_lock();
 	cs = task_cs(tsk);
-	if (cs)
-		do_set_cpus_allowed(tsk, cs->cpus_allowed);
+	do_set_cpus_allowed(tsk, cs->cpus_allowed);
 	rcu_read_unlock();
 
 	/*
-- 
1.8.0.2


  reply	other threads:[~2013-04-19 12:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-19 12:25 [PATCH 00/10] cpuset: implement sane hierarchy behaviors Li Zefan
2013-04-19 12:25 ` Li Zefan [this message]
2013-04-19 12:25 ` [PATCH 02/10] cpuset: cleanup guarantee_online_{cpus|mems}() Li Zefan
2013-04-19 12:26 ` [PATCH 03/10] cpuset: remove unnecessary variable in cpuset_attach() Li Zefan
2013-04-19 12:26 ` [PATCH 04/10] cpuset: remove cpuset_test_cpumask() Li Zefan
2013-04-19 18:27   ` Tejun Heo
2013-04-19 12:27 ` [PATCH 05/10] cpuset: don't update tasks' cpumask and nodemask in an empty cpuset Li Zefan
2013-04-19 18:36   ` Tejun Heo
2013-04-20  1:06     ` Li Zefan
2013-04-21  1:42       ` Tejun Heo
2013-04-19 12:27 ` [PATCH 06/10] cpuset: re-structure update_cpumask() a bit Li Zefan
2013-04-19 12:28 ` [PATCH 07/10] cpuset: record old_mems_allowed in struct cpuset Li Zefan
2013-04-19 12:28 ` [PATCH 08/10] cpuset: introduce effective_{cpumask|nodemask}_cpuset() Li Zefan
2013-04-19 12:29 ` [PATCH 09/10] cpuset: allow to keep tasks in empty cpusets Li Zefan
2013-04-19 20:58   ` Tejun Heo
2013-04-20  1:22     ` Li Zefan
2013-04-21  1:41       ` Tejun Heo
2013-04-19 12:29 ` [PATCH 10/10] cpuset: allow to move tasks to " Li Zefan

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