From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 7 Mar 2014 01:52:32 +0000 (-0500)
Subject: percpu: speed alloc_pcpu_area() up
X-Git-Tag: v3.15-rc1~163^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d331ad74fa33f0b14a46cf0de8358012d3c1500;p=pandora-kernel.git

percpu: speed alloc_pcpu_area() up

If we know that first N areas are all in use, we can obviously skip
them when searching for a free one.  And that kind of hint is very
easy to maintain.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tejun Heo <tj@kernel.org>
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