From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 26 May 2010 21:26:18 +0000 (+0200)
Subject: [S390] atomic: implement atomic64_dec_if_positive
X-Git-Tag: v2.6.35-rc1~34^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ddb3ec41495c2f4535d1e72e21e25870117f848;p=pandora-kernel.git

[S390] atomic: implement atomic64_dec_if_positive

Implement atomic64_dec_if_positive and add missing system.h header
include.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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