From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030767AbXDKDlq (ORCPT ); Tue, 10 Apr 2007 23:41:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753671AbXDKDi3 (ORCPT ); Tue, 10 Apr 2007 23:38:29 -0400 Received: from py-out-1112.google.com ([64.233.166.179]:15870 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753398AbXDKDiH (ORCPT ); Tue, 10 Apr 2007 23:38:07 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:from:to:cc:date:message-id:in-reply-to:subject; b=F9HhMsbB444NjpHviZa9IbPgxpnA97hAir9CC97b8e+jRLHB4iBpUZRr6f+sDq7XylYD7+tgoCSLHDTAfDVI2X+XK/GgYS+mBmKOCCiDOlJpGNaWjjf5MFiruA9IH9f5XyrrIdBc2uk8dfcgHoZ5hFceCt9YGTbDWMBicRN0Qag= From: Nate Diller To: Andrew Morton , Alexander Viro Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Date: Tue, 10 Apr 2007 20:36:00 -0700 Message-Id: <20070411033600.11000.45155.patchbomb.py@localhost> In-Reply-To: <20070411033600.11000.38285.patchbomb.py@localhost> Subject: [PATCH 2/13] affs: use zero_user_page Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Use zero_user_page() instead of open-coding it. Signed-off-by: Nate Diller --- diff -urpN -X dontdiff linux-2.6.21-rc6-mm1/fs/affs/file.c linux-2.6.21-rc6-mm1-test/fs/affs/file.c --- linux-2.6.21-rc6-mm1/fs/affs/file.c 2007-04-09 17:23:48.000000000 -0700 +++ linux-2.6.21-rc6-mm1-test/fs/affs/file.c 2007-04-09 18:18:23.000000000 -0700 @@ -628,11 +628,7 @@ static int affs_prepare_write_ofs(struct return err; } if (to < PAGE_CACHE_SIZE) { - char *kaddr = kmap_atomic(page, KM_USER0); - - memset(kaddr + to, 0, PAGE_CACHE_SIZE - to); - flush_dcache_page(page); - kunmap_atomic(kaddr, KM_USER0); + zero_user_page(page, to, PAGE_CACHE_SIZE - to); if (size > offset + to) { if (size < offset + PAGE_CACHE_SIZE) tmp = size & ~PAGE_CACHE_MASK;