From: Li Zefan <lizf@cn.fujitsu.com>
Date: Fri, 25 Jul 2008 08:47:23 +0000 (-0700)
Subject: cpuset: avoid unnecessary sched domains rebuilding
X-Git-Tag: v2.6.27-rc1~366
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c372e817afc629fea9ff6321313325ed0b4a855b;p=pandora-kernel.git

cpuset: avoid unnecessary sched domains rebuilding

When changing 'sched_relax_domain_level', don't rebuild sched domains if
'cpus' is empty or 'sched_load_balance' is not set.

Also make the comments of rebuild_sched_domains() more readable.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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