From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932417AbWDUQyN (ORCPT ); Fri, 21 Apr 2006 12:54:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932418AbWDUQyM (ORCPT ); Fri, 21 Apr 2006 12:54:12 -0400 Received: from smtp102.mail.mud.yahoo.com ([209.191.85.212]:29277 "HELO smtp102.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S932417AbWDUQyJ (ORCPT ); Fri, 21 Apr 2006 12:54:09 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=iORfjcOP+jTph8yfmYNbwN1lDVyTLACl0wNKyH2BgEw9df99yrEK76TuSl4l4GZCMpF/Cv0yjNhbDIcEEz0k7dV5a8oXyVjxTxBgpP8akSohbpbdzYCpEctni8bKTHa24w1B9837/TzlVCmj/QxVQiQrHnuwrzKDiyNaQlfkoo8= ; Message-ID: <4448B6E2.1070507@yahoo.com.au> Date: Fri, 21 Apr 2006 20:41:38 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051007 Debian/1.7.12-1 X-Accept-Language: en MIME-Version: 1.0 To: Jes Sorensen CC: Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, Hugh Dickins , bjorn_helgaas@hp.com, cotte@de.ibm.com Subject: Re: [patch - repost] do_no_pfn handler References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jes Sorensen wrote: > --- linux-2.6.orig/include/linux/mm.h > +++ linux-2.6/include/linux/mm.h > @@ -199,6 +199,7 @@ > void (*open)(struct vm_area_struct * area); > void (*close)(struct vm_area_struct * area); > struct page * (*nopage)(struct vm_area_struct * area, unsigned long address, int *type); > + long (*nopfn)(struct vm_area_struct * area, unsigned long address); Minor nit: make this unsigned long? > int (*populate)(struct vm_area_struct * area, unsigned long address, unsigned long len, pgprot_t prot, unsigned long pgoff, int nonblock); > #ifdef CONFIG_NUMA > int (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new); > @@ -612,6 +613,12 @@ > #define NOPAGE_OOM ((struct page *) (-1)) > > /* > + * Error return values for the *_nopfn functions > + */ > +#define NOPFN_SIGBUS ((unsigned long) -1) > +#define NOPFN_OOM ((unsigned long) -2) -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com