From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762814AbcALPY2 (ORCPT ); Tue, 12 Jan 2016 10:24:28 -0500 Received: from mx2.suse.de ([195.135.220.15]:37207 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965423AbcALPYX (ORCPT ); Tue, 12 Jan 2016 10:24:23 -0500 From: Jan Kara To: axboe@kernel.dk Cc: Tejun Heo , linux-kernel@vger.kernel.org, Jeff Moyer , Jan Kara Subject: [PATCH 4/5] cgroup: Export cgroup_is_descendant() Date: Tue, 12 Jan 2016 16:24:18 +0100 Message-Id: <1452612259-5480-5-git-send-email-jack@suse.cz> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1452612259-5480-1-git-send-email-jack@suse.cz> References: <1452612259-5480-1-git-send-email-jack@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CFQ IO scheduler will use cgroup_is_descendant() to decide whether one queue can preempt another one. Acked-by: Tejun Heo Signed-off-by: Jan Kara --- kernel/cgroup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 470f6536b9e8..c4d74c10dfcb 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -483,6 +483,7 @@ bool cgroup_is_descendant(struct cgroup *cgrp, struct cgroup *ancestor) } return false; } +EXPORT_SYMBOL_GPL(cgroup_is_descendant); static int notify_on_release(const struct cgroup *cgrp) { -- 2.6.2