Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754614AbYHAFIe (ORCPT ); Fri, 1 Aug 2008 01:08:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752302AbYHAFIY (ORCPT ); Fri, 1 Aug 2008 01:08:24 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:59656 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751606AbYHAFIX (ORCPT ); Fri, 1 Aug 2008 01:08:23 -0400 Message-Id: <20080801050701.070484831@us.ibm.com> References: <20080801050659.924495279@us.ibm.com> User-Agent: quilt/0.46-1 Date: Thu, 31 Jul 2008 22:07:03 -0700 From: Matt Helsley To: Andrew Morton Cc: "Rafael J. Wysocki" , Paul Menage , Li Zefan , Linux-Kernel , Linux Containers , linux-pm@lists.linux-foundation.org, Cedric Le Goater , "Serge E. Hallyn" Subject: [PATCH 4/6] Container Freezer: Skip frozen cgroups during power management resume Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1295 Lines: 45 When a system is resumed after a suspend, it will also unfreeze frozen cgroups. This patchs modifies the resume sequence to skip the tasks which are part of a frozen control group. Signed-off-by: Cedric Le Goater Signed-off-by: Matt Helsley Acked-by: Serge E. Hallyn Tested-by: Matt Helsley --- kernel/power/process.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/kernel/power/process.c b/kernel/power/process.c index 444cea8..ce9e280 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -13,6 +13,7 @@ #include #include #include +#include /* * Timeout for stopping processes @@ -135,6 +136,9 @@ static void thaw_tasks(bool nosig_only) if (nosig_only && should_send_signal(p)) continue; + if (cgroup_frozen(p)) + continue; + thaw_process(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); -- 1.5.3.7 -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/