From: Viro <viro@ZenIV.linux.org.uk>
Date: Mon, 17 Mar 2014 20:01:27 +0000 (-0400)
Subject: percpu: allocation size should be even
X-Git-Tag: v3.15-rc1~163^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f69fa829cb4ca062aaffee9ab9eb44484db75b1;p=pandora-kernel.git

percpu: allocation size should be even

723ad1d90b56 ("percpu: store offsets instead of lengths in ->map[]")
updated percpu area allocator to use the lowest bit, instead of sign,
to signify whether the area is occupied and forced min align to 2;
unfortunately, it forgot to force the allocation size to be even
causing malfunctions for the very rare odd-sized allocations.

Always force the allocations to be even sized.

tj: Wrote patch description.

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