From: Li Zefan <lizf@cn.fujitsu.com>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Paul Menage <menage@google.com>,
miaox@cn.fujitsu.com, linux-mm@kvack.org
Subject: Re: [PATCH 3/4] cpuset: Fix unchecked calls to NODEMASK_ALLOC()
Date: Mon, 21 Feb 2011 13:30:30 +0800 [thread overview]
Message-ID: <4D61F876.3040401@cn.fujitsu.com> (raw)
In-Reply-To: <4D61DA04.4060007@cn.fujitsu.com>
> +/*
> + * Calling cpuset_static_nodemask() should be paired with this function,
> + * so we insure the global nodemask won't be used by more than one user
> + * at the one time.
> + */
> +static void cpuset_release_static_nodemask(void)
> +{
> + WARN_ON(!cgroup_lock_is_held());
> +
> + cpuset_mems_ref--;
> + WARN_ON(!cpuset_mems_ref);
WARN_ON(cpuset_mems_ref);
> +}
next prev parent reply other threads:[~2011-02-21 5:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 1:49 [PATCH 1/4] cpuset: Remove unneeded NODEMASK_ALLOC() in cpuset_sprintf_memlist() Li Zefan
2011-02-17 1:49 ` [PATCH 2/4] cpuset: Remove unneeded NODEMASK_ALLOC() in cpuset_attch() Li Zefan
2011-02-17 23:46 ` Paul Menage
2011-02-18 2:37 ` Li Zefan
2011-02-20 1:51 ` David Rientjes
2011-02-17 1:50 ` [PATCH 3/4] cpuset: Fix unchecked calls to NODEMASK_ALLOC() Li Zefan
2011-02-17 22:46 ` Andrew Morton
2011-02-17 23:50 ` Paul Menage
2011-02-18 2:47 ` Li Zefan
2011-02-19 2:28 ` Paul Menage
2011-02-20 1:51 ` David Rientjes
2011-02-21 3:20 ` Li Zefan
2011-02-21 5:30 ` Li Zefan [this message]
2011-02-22 0:25 ` David Rientjes
2011-02-22 2:15 ` Li Zefan
2011-02-22 20:30 ` David Rientjes
2011-02-17 1:50 ` [PATCH 4/4] cpuset: Hold callback_mutex in cpuset_clone() Li Zefan
2011-02-17 23:51 ` Paul Menage
2011-02-20 1:51 ` David Rientjes
2011-02-17 23:35 ` [PATCH 1/4] cpuset: Remove unneeded NODEMASK_ALLOC() in cpuset_sprintf_memlist() Paul Menage
2011-02-18 2:22 ` Li Zefan
2011-02-20 1:51 ` David Rientjes
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