From: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH v2 01/10] cpuset: remove redundant check in cpuset_cpus_allowed_fallback()
Date: Wed, 5 Jun 2013 17:15:11 +0800 [thread overview]
Message-ID: <51AF019F.4050002@huawei.com> (raw)
In-Reply-To: <51AF0183.8070602-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
task_cs() will never return NULL.
Signed-off-by: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
---
kernel/cpuset.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 64b3f79..f0c884a 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2253,8 +2253,7 @@ 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
WARNING: multiple messages have this Message-ID (diff)
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>
Subject: [PATCH v2 01/10] cpuset: remove redundant check in cpuset_cpus_allowed_fallback()
Date: Wed, 5 Jun 2013 17:15:11 +0800 [thread overview]
Message-ID: <51AF019F.4050002@huawei.com> (raw)
In-Reply-To: <51AF0183.8070602@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 64b3f79..f0c884a 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2253,8 +2253,7 @@ 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
next prev parent reply other threads:[~2013-06-05 9:15 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-05 9:14 [PATCH v2 00/10] cpuset: implement sane hierarchy behaviors Li Zefan
2013-06-05 9:14 ` Li Zefan
[not found] ` <51AF0183.8070602-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-06-05 9:15 ` Li Zefan [this message]
2013-06-05 9:15 ` [PATCH v2 01/10] cpuset: remove redundant check in cpuset_cpus_allowed_fallback() Li Zefan
2013-06-05 9:15 ` [PATCH v2 02/10] cpuset: cleanup guarantee_online_{cpus|mems}() Li Zefan
2013-06-05 9:15 ` Li Zefan
2013-06-05 9:15 ` Li Zefan
2013-06-05 9:15 ` [PATCH v2 03/10] cpuset: remove unnecessary variable in cpuset_attach() Li Zefan
2013-06-05 9:15 ` Li Zefan
2013-06-05 9:15 ` Li Zefan
2013-06-05 9:15 ` [PATCH v2 04/10] cpuset: remove cpuset_test_cpumask() Li Zefan
2013-06-05 9:15 ` Li Zefan
2013-06-05 9:15 ` [PATCH v2 05/10] cpuset: re-structure update_cpumask() a bit Li Zefan
2013-06-05 9:15 ` Li Zefan
[not found] ` <51AF01CF.1070706-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-06-05 20:57 ` Tejun Heo
2013-06-05 20:57 ` Tejun Heo
2013-06-05 9:16 ` [PATCH v2 06/10] cpuset: record old_mems_allowed in struct cpuset Li Zefan
2013-06-05 9:16 ` Li Zefan
[not found] ` <51AF01E8.8080205-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-06-05 19:45 ` Tejun Heo
2013-06-05 19:45 ` Tejun Heo
[not found] ` <20130605194522.GG10693-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-06-06 9:58 ` Li Zefan
2013-06-06 9:58 ` Li Zefan
2013-06-05 9:16 ` [PATCH v2 07/10] cpuset: introduce effective_{cpumask|nodemask}_cpuset() Li Zefan
2013-06-05 9:16 ` Li Zefan
2013-06-05 9:16 ` [PATCH v2 08/10] cpuset: allow to keep tasks in empty cpusets Li Zefan
2013-06-05 9:16 ` Li Zefan
[not found] ` <51AF020B.3030701-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-06-05 20:51 ` Tejun Heo
2013-06-05 20:51 ` Tejun Heo
[not found] ` <20130605205146.GI10693-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-06-06 10:26 ` Li Zefan
2013-06-06 10:26 ` Li Zefan
[not found] ` <51B063E6.30107-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-06-06 21:24 ` Tejun Heo
2013-06-06 21:24 ` Tejun Heo
2013-06-06 21:24 ` Tejun Heo
2013-06-06 10:26 ` Li Zefan
2013-06-05 9:17 ` [PATCH v2 09/10] cpuset: allow to move tasks to " Li Zefan
2013-06-05 9:17 ` Li Zefan
2013-06-05 9:17 ` [PATCH v2 10/10] cpuset: fix to migrate mm correctly in a corner case Li Zefan
2013-06-05 9:17 ` Li Zefan
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