From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755436AbZLBEhx (ORCPT ); Tue, 1 Dec 2009 23:37:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755425AbZLBEhw (ORCPT ); Tue, 1 Dec 2009 23:37:52 -0500 Received: from mga14.intel.com ([143.182.124.37]:57394 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755324AbZLBEha (ORCPT ); Tue, 1 Dec 2009 23:37:30 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.47,316,1257148800"; d="scan'208";a="217764929" Message-Id: <20091202043046.420815285@intel.com> User-Agent: quilt/0.48-1 Date: Wed, 02 Dec 2009 11:12:52 +0800 From: Wu Fengguang TO: Andi Kleen CC: Andrew Morton , Balbir Singh , KAMEZAWA Hiroyuki , Li Zefan , Paul Menage , Wu Fengguang CC: Nick Piggin CC: Cc: LKML Subject: [PATCH 21/24] cgroup: define empty css_put() when !CONFIG_CGROUPS References: <20091202031231.735876003@intel.com> Content-Disposition: inline; filename=memcg-css_put.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It will be used by the hwpoison inject code for releasing the css grabbed by try_get_mem_cgroup_from_page(). CC: Balbir Singh CC: KAMEZAWA Hiroyuki CC: Li Zefan CC: Paul Menage Signed-off-by: Wu Fengguang --- include/linux/cgroup.h | 3 +++ 1 file changed, 3 insertions(+) --- linux-mm.orig/include/linux/cgroup.h 2009-11-02 10:18:41.000000000 +0800 +++ linux-mm/include/linux/cgroup.h 2009-11-02 10:26:22.000000000 +0800 @@ -581,6 +581,9 @@ static inline int cgroupstats_build(stru return -EINVAL; } +struct cgroup_subsys_state; +static inline void css_put(struct cgroup_subsys_state *css) {} + #endif /* !CONFIG_CGROUPS */ #endif /* _LINUX_CGROUP_H */