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Message-ID: <50DACF5B.6050705@huawei.com> Date: Wed, 26 Dec 2012 18:20:11 +0800 From: Li Zefan <lizefan@...wei.com> To: Tejun Heo <tj@...nel.org> CC: <paul@...lmenage.org>, <glommer@...allels.com>, <containers@...ts.linux-foundation.org>, <cgroups@...r.kernel.org>, <peterz@...radead.org>, <mhocko@...e.cz>, <bsingharora@...il.com>, <hannes@...xchg.org>, <kamezawa.hiroyu@...fujitsu.com>, <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 06/13] cpuset: cleanup cpuset[_can]_attach() On 2012/11/29 5:34, Tejun Heo wrote: > cpuset_can_attach() prepare global variables cpus_attach and > cpuset_attach_nodemask_{to|from} which are used by cpuset_attach(). > There is no reason to prepare in cpuset_can_attach(). The same > information can be accessed from cpuset_attach(). > > Move the prepartion logic from cpuset_can_attach() to cpuset_attach() > and make the global variables static ones inside cpuset_attach(). > > While at it, convert cpus_attach to cpumask_t from cpumask_var_t. > There's no reason to mess with dynamic allocation on a static buffer. > But Rusty had been deprecating the use of cpumask_t. I don't know why the final deprecation hasn't been completed yet. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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