From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755399Ab0BAP0t (ORCPT ); Mon, 1 Feb 2010 10:26:49 -0500 Received: from mail-px0-f182.google.com ([209.85.216.182]:54809 "EHLO mail-px0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755084Ab0BAP0r (ORCPT ); Mon, 1 Feb 2010 10:26:47 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=kYJ6nYOi71DR5LTskgYdKKhCHPwqi5ve/8oTB6p8fv/gl72SjV4bFcYLOeWDUcXzdo i7FXhzjkO2vLV0RcNCsWI2gdXxr2IhgseeYKzLtLmjOJAzY8agIlzVk4cg9ynXin8MiX VCJOiRy6+pnrFsZkUUzjSgYbSp2U0Lij9dIJg= Subject: Re: [PATCH -mm] rmap: remove obsolete check from __page_check_anon_rmap From: Minchan Kim To: Rik van Riel Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, KOSAKI Motohiro , lwoodman@redhat.com, akpm@linux-foundation.org, Lee Schermerhorn , aarcange@redhat.com In-Reply-To: <20100128014312.47c5045d@annuminas.surriel.com> References: <20100128002000.2bf5e365@annuminas.surriel.com> <20100128014312.47c5045d@annuminas.surriel.com> Content-Type: text/plain; charset="UTF-8" Date: Tue, 02 Feb 2010 00:26:39 +0900 Message-ID: <1265037999.20322.33.camel@barrios-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2010-01-28 at 01:43 -0500, Rik van Riel wrote: > When an anonymous page is inherited from a parent process, the > vma->anon_vma can differ from the page anon_vma. This can trip > up __page_check_anon_rmap, which is indirectly called from > do_swap_page(). > > Remove that obsolete check to prevent an oops. > > Signed-off-by: Rik van Riel Reviewed-by: Minchan Kim Hmm, too late. -- Kind regards, Minchan Kim