From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754226AbXDRTto (ORCPT ); Wed, 18 Apr 2007 15:49:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754241AbXDRTtn (ORCPT ); Wed, 18 Apr 2007 15:49:43 -0400 Received: from extu-mxob-2.symantec.com ([216.10.194.135]:56642 "EHLO extu-mxob-2.symantec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754225AbXDRTtm (ORCPT ); Wed, 18 Apr 2007 15:49:42 -0400 X-AuditID: d80ac287-9beabbb000002c59-a9-462676558aaf Date: Wed, 18 Apr 2007 20:35:22 +0100 (BST) From: Hugh Dickins X-X-Sender: hugh@blonde.wat.veritas.com To: Andrew Morton cc: KAMEZAWA Hiroyuki , Christoph Lameter , linux-kernel@vger.kernel.org Subject: [PATCH] fix OOM killing processes wrongly thought MPOL_BIND Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-OriginalArrivalTime: 18 Apr 2007 19:49:40.0829 (UTC) FILETIME=[B42D60D0:01C781F2] X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I only have CONFIG_NUMA=y for build testing: surprised when trying a memhog to see lots of other processes killed with "No available memory (MPOL_BIND)". memhog is killed correctly once we initialize nodemask in constrained_alloc(). Signed-off-by: Hugh Dickins --- Perhaps appropriate for 2.6.20-stable too - regression since 2.6.19. mm/oom_kill.c | 2 ++ 1 file changed, 2 insertions(+) --- 2.6.21-rc7/mm/oom_kill.c 2007-03-26 07:30:54.000000000 +0100 +++ linux/mm/oom_kill.c 2007-04-18 20:18:21.000000000 +0100 @@ -176,6 +176,8 @@ static inline int constrained_alloc(stru struct zone **z; nodemask_t nodes; int node; + + nodes_clear(nodes); /* node has memory ? */ for_each_online_node(node) if (NODE_DATA(node)->node_present_pages)