From: Tejun Heo <tj@kernel.org>
Date: Sat, 20 Sep 2014 05:27:24 +0000 (-0400)
Subject: percpu-refcount: improve WARN messages
X-Git-Tag: fixes-against-v3.18-rc2~134^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4843c3320c3d23ab4ecf520f5eaf485aff8c7252;p=pandora-kernel.git

percpu-refcount: improve WARN messages

percpu_ref's WARN messages can be a lot more helpful by indicating
who's the culprit.  Make them report the release function that the
offending percpu-refcount is associated with.  This should make it a
lot easier to track down the reported invalid refcnting operations.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kent Overstreet <kmo@daterainc.com>
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