From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with ESMTP id 0938A600783 for ; Tue, 8 Dec 2009 16:16:29 -0500 (EST) From: Andi Kleen References: <200912081016.198135742@firstfloor.org> In-Reply-To: <200912081016.198135742@firstfloor.org> Subject: [PATCH] [10/31] HWPOISON: comment dirty swapcache pages Message-Id: <20091208211626.5E29EB151F@basil.firstfloor.org> Date: Tue, 8 Dec 2009 22:16:26 +0100 (CET) Sender: owner-linux-mm@kvack.org To: fengguang.wu@intel.comfengguang.wu@intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: From: Wu Fengguang AK: Improve comment Signed-off-by: Wu Fengguang Signed-off-by: Andi Kleen --- mm/memory.c | 4 ++++ 1 file changed, 4 insertions(+) Index: linux/mm/memory.c =================================================================== --- linux.orig/mm/memory.c +++ linux/mm/memory.c @@ -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; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org