From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933969AbZHEJnJ (ORCPT ); Wed, 5 Aug 2009 05:43:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933018AbZHEJnH (ORCPT ); Wed, 5 Aug 2009 05:43:07 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:60625 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932959AbZHEJnG (ORCPT ); Wed, 5 Aug 2009 05:43:06 -0400 Message-ID: <4A79540D.6060207@cn.fujitsu.com> Date: Wed, 05 Aug 2009 17:42:37 +0800 From: Xiao Guangrong User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Andrew Morton CC: Rusty Russell , Matias Zabaljauregui , Johannes Weiner , Atsushi SAKAI , Ingo Molnar , LKML , lguest@ozlabs.org Subject: [PATCH] lguest: cleanup for map_switcher() Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We can use alloc_page() instead of get_zeroed_page() and virt_to_page() Signed-off-by: Xiao Guangrong --- drivers/lguest/core.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 1e2cb84..b639019 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -67,12 +67,11 @@ static __init int map_switcher(void) * so we make sure they're zeroed. */ for (i = 0; i < TOTAL_SWITCHER_PAGES; i++) { - unsigned long addr = get_zeroed_page(GFP_KERNEL); - if (!addr) { + switcher_page[i] = alloc_page(GFP_KERNEL|__GFP_ZERO); + if (!switcher_page[i]) err = -ENOMEM; goto free_some_pages; } - switcher_page[i] = virt_to_page(addr); } /* -- 1.6.1.2