From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 27 Jun 2012 07:07:19 +0000 (+0400)
Subject: merge task_work and rcu_head, get rid of separate allocation for keyring case
X-Git-Tag: v3.6-rc1~152^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=67d1214551e800f9fe7dc7c47a346d2df0fafed5;p=pandora-kernel.git

merge task_work and rcu_head, get rid of separate allocation for keyring case

task_work and rcu_head are identical now; merge them (calling the result
struct callback_head, rcu_head #define'd to it), kill separate allocation
in security/keys since we can just use cred->rcu now.

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