From: Wanpeng Li <wanpeng.li@linux.intel.com>
Date: Tue, 14 Oct 2014 02:22:40 +0000 (+0800)
Subject: sched/deadline: Don't balance during wakeup if wakee is pinned
X-Git-Tag: omap-for-v3.19/fixes-rc1~165^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4e9d94a5bf60193d45f92b136e3d166be3ec8d5;p=pandora-kernel.git

sched/deadline: Don't balance during wakeup if wakee is pinned

Use nr_cpus_allowed to bail from select_task_rq() when only one cpu
can be used, and saves some cycles for pinned tasks.

Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1413253360-5318-2-git-send-email-wanpeng.li@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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