From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 0A98C6B0088 for ; Tue, 26 Jan 2010 08:59:19 -0500 (EST) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [PATCH 06 of 31] clear compound mapping Message-Id: <7cf11b425ecd44419ccc.1264513921@v2.random> In-Reply-To: References: Date: Tue, 26 Jan 2010 14:52:01 +0100 From: Andrea Arcangeli Sender: owner-linux-mm@kvack.org To: linux-mm@kvack.org Cc: Marcelo Tosatti , Adam Litke , Avi Kivity , Izik Eidus , Hugh Dickins , Nick Piggin , Rik van Riel , Mel Gorman , Andi Kleen , Dave Hansen , Benjamin Herrenschmidt , Ingo Molnar , Mike Travis , KAMEZAWA Hiroyuki , Christoph Lameter , Chris Wright , Andrew Morton , bpicco@redhat.com, Christoph Hellwig , KOSAKI Motohiro List-ID: From: Andrea Arcangeli Clear compound mapping for anonymous compound pages like it already happens for regular anonymous pages. Signed-off-by: Andrea Arcangeli --- diff --git a/mm/page_alloc.c b/mm/page_alloc.c --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -584,6 +584,8 @@ static void __free_pages_ok(struct page kmemcheck_free_shadow(page, order); + if (PageAnon(page)) + page->mapping = NULL; for (i = 0 ; i < (1 << order) ; ++i) bad += free_pages_check(page + i); if (bad) -- 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