From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030660AbWJKGSj (ORCPT ); Wed, 11 Oct 2006 02:18:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030654AbWJKGSh (ORCPT ); Wed, 11 Oct 2006 02:18:37 -0400 Received: from smtp.osdl.org ([65.172.181.4]:58823 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1030661AbWJKGSJ (ORCPT ); Wed, 11 Oct 2006 02:18:09 -0400 Date: Tue, 10 Oct 2006 23:18:02 -0700 From: Andrew Morton To: Nick Piggin , Nick Piggin , Linux Memory Management , Linux Kernel Subject: [patch 4/6] generic_file_buffered_write(): fix page prefaulting Message-Id: <20061010231802.e42582f7.akpm@osdl.org> In-Reply-To: <20061010231339.a79c1fae.akpm@osdl.org> References: <20061010121314.19693.75503.sendpatchset@linux.site> <20061010121332.19693.37204.sendpatchset@linux.site> <20061010221304.6bef249f.akpm@osdl.org> <452C8613.7080708@yahoo.com.au> <20061010231150.fb9e30f5.akpm@osdl.org> <20061010231243.bc8b834c.akpm@osdl.org> <20061010231339.a79c1fae.akpm@osdl.org> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Andrew Morton generic_file_buffered_write() is passing the wrong length arg to fault_in_pages_readable() (I think - please check). Signed-off-by: Andrew Morton --- mm/filemap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN mm/filemap.c~generic_file_buffered_write-fix-page-prefaulting mm/filemap.c --- a/mm/filemap.c~generic_file_buffered_write-fix-page-prefaulting +++ a/mm/filemap.c @@ -2110,7 +2110,7 @@ generic_file_buffered_write(struct kiocb * same page as we're writing to, without it being marked * up-to-date. */ - fault_in_pages_readable(buf, maxlen); + fault_in_pages_readable(buf, bytes); page = __grab_cache_page(mapping,index,&cached_page,&lru_pvec); if (!page) { _