From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757158Ab2IJJFf (ORCPT ); Mon, 10 Sep 2012 05:05:35 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:62513 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753356Ab2IJI5z (ORCPT ); Mon, 10 Sep 2012 04:57:55 -0400 X-IronPort-AV: E=Sophos;i="4.80,397,1344182400"; d="scan'208";a="5814152" From: Lai Jiangshan To: Mel Gorman , David Rientjes , LKML , x86 maintainers Cc: Jiang Liu , Rusty Russell , Yinghai Lu , KAMEZAWA Hiroyuki , Yasuaki ISIMATU , Andrew Morton , Lai Jiangshan Subject: [V4 PATCH 03/26] slub, hotplug: ignore unrelated node's hot-adding and hot-removing Date: Mon, 10 Sep 2012 16:58:55 +0800 Message-Id: <1347267558-6707-4-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1347267558-6707-1-git-send-email-laijs@cn.fujitsu.com> References: <1347267558-6707-1-git-send-email-laijs@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/10 16:57:19, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/10 16:57:19, Serialize complete at 2012/09/10 16:57:19 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SLUB only fucus on the nodes which has normal memory, so ignore the other node's hot-adding and hot-removing. so we only do something when marg->status_change_nid_normal > 0. Signed-off-by: Lai Jiangshan --- mm/slub.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 8f78e25..7a1d02c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3572,7 +3572,7 @@ static void slab_mem_offline_callback(void *arg) struct memory_notify *marg = arg; int offline_node; - offline_node = marg->status_change_nid; + offline_node = marg->status_change_nid_normal; /* * If the node still has available memory. we need kmem_cache_node @@ -3605,7 +3605,7 @@ static int slab_mem_going_online_callback(void *arg) struct kmem_cache_node *n; struct kmem_cache *s; struct memory_notify *marg = arg; - int nid = marg->status_change_nid; + int nid = marg->status_change_nid_normal; int ret = 0; /* -- 1.7.1