From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755498AbZLBEh7 (ORCPT ); Tue, 1 Dec 2009 23:37:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755313AbZLBEh6 (ORCPT ); Tue, 1 Dec 2009 23:37:58 -0500 Received: from mga03.intel.com ([143.182.124.21]:36773 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755280AbZLBEha (ORCPT ); Tue, 1 Dec 2009 23:37:30 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.47,316,1257148800"; d="scan'208";a="217764900" Message-Id: <20091202043044.572334411@intel.com> User-Agent: quilt/0.48-1 Date: Wed, 02 Dec 2009 11:12:39 +0800 From: Wu Fengguang TO: Andi Kleen CC: Andrew Morton , Wu Fengguang CC: Nick Piggin CC: Cc: LKML Subject: [PATCH 08/24] HWPOISON: comment dirty swapcache pages References: <20091202031231.735876003@intel.com> Content-Disposition: inline; filename=hwpoison-comment-dirty-swapcache.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CC: Andi Kleen Signed-off-by: Wu Fengguang --- mm/memory.c | 4 ++++ 1 file changed, 4 insertions(+) --- linux-mm.orig/mm/memory.c 2009-11-24 16:50:44.000000000 +0800 +++ linux-mm/mm/memory.c 2009-11-30 10:35:39.000000000 +0800 @@ -2540,6 +2540,10 @@ static int do_swap_page(struct mm_struct ret = VM_FAULT_MAJOR; count_vm_event(PGMAJFAULT); } else if (PageHWPoison(page)) { + /* + * hwpoisoned dirty swapcache pages are kept for killing + * owner processes (which may be unknown at hwpoison time) + */ ret = VM_FAULT_HWPOISON; delayacct_clear_flag(DELAYACCT_PF_SWAPIN); goto out_release;