From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757959Ab1KRXK6 (ORCPT ); Fri, 18 Nov 2011 18:10:58 -0500 Received: from mga14.intel.com ([143.182.124.37]:43923 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757493Ab1KRXKQ (ORCPT ); Fri, 18 Nov 2011 18:10:16 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.69,535,1315206000"; d="scan'208";a="76848909" Message-Id: <20111118230554.164910950@sbsiddha-desk.sc.intel.com> User-Agent: quilt/0.48-1 Date: Fri, 18 Nov 2011 15:03:29 -0800 From: Suresh Siddha To: Peter Zijlstra , Ingo Molnar , Venki Pallipadi , Srivatsa Vaddagiri , Mike Galbraith Cc: linux-kernel , Tim Chen , alex.shi@intel.com, Suresh Siddha Subject: [patch 6/6] sched: fix the sched group node allocation for SD_OVERLAP domain References: <20111118230323.592022417@sbsiddha-desk.sc.intel.com> Content-Disposition: inline; filename=fix_sched_group_node_allocation.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For the SD_OVERLAP domain, sched_groups for each CPU's sched_domain are privately allocated and not shared with any other cpu. So the sched group allocation should come from the cpu's node for which SD_OVERLAP sched domain is being setup. Signed-off-by: Suresh Siddha --- kernel/sched/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: tip/kernel/sched/core.c =================================================================== --- tip.orig/kernel/sched/core.c +++ tip/kernel/sched/core.c @@ -5879,7 +5879,7 @@ build_overlap_sched_groups(struct sched_ continue; sg = kzalloc_node(sizeof(struct sched_group) + cpumask_size(), - GFP_KERNEL, cpu_to_node(i)); + GFP_KERNEL, cpu_to_node(cpu)); if (!sg) goto fail;