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SubjectRe: [PATCH] cpuset: fix regression when failed to generate sched domains

* Li Zefan <lizf@cn.fujitsu.com> wrote:

> When cpuset failed to generate sched domains due to kmalloc()
> failure, the scheduler should fallback to the single partition
> 'fallback_doms' and rebuild sched domains, but now it only
> destroys but not rebuilds sched domains.
>
> The regression is introduced by:
>
> commit dfb512ec4834116124da61d6c1ee10fd0aa32bd6
> Author: Max Krasnyansky <maxk@qualcomm.com>
> Date: Fri Aug 29 13:11:41 2008 -0700
>
> sched: arch_reinit_sched_domains() must destroy domains to force rebuild
>
> After the above commit, partition_sched_domains(0, NULL, NULL) will
> only destroy sched domains and partition_sched_domains(1, NULL, NULL)
> will create the default sched domain.
>
> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

applied to tip/sched/urgent, thanks!

> Should I also CC stable for 2.6.27.xx ?

i've added a Cc: stable to the commit - that will trigger a -stable
backport.

Ingo


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