From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wu Fengguang Subject: [PATCH 08/24] HWPOISON: comment dirty swapcache pages Date: Wed, 02 Dec 2009 11:12:39 +0800 Message-ID: <20091202043044.572334411@intel.com> References: <20091202031231.735876003@intel.com> Return-path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id CFBDC60079E for ; Tue, 1 Dec 2009 23:37:37 -0500 (EST) Content-Disposition: inline; filename=hwpoison-comment-dirty-swapcache.patch Sender: owner-linux-mm@kvack.org To: Andi Kleen Cc: Andrew Morton , Wu Fengguang , Nick Piggin , linux-mm@kvack.org, LKML List-Id: linux-mm.kvack.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; -- 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