From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756164AbYAPWY6 (ORCPT ); Wed, 16 Jan 2008 17:24:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754355AbYAPWPn (ORCPT ); Wed, 16 Jan 2008 17:15:43 -0500 Received: from cantor.suse.de ([195.135.220.2]:55256 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752137AbYAPWP3 (ORCPT ); Wed, 16 Jan 2008 17:15:29 -0500 From: Andi Kleen References: <200801161114.239449000@suse.de> In-Reply-To: <200801161114.239449000@suse.de> To: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, jbeulich@novell.com, venkatesh.pallipadi@intel.com Subject: [PATCH] [28/36] CPA: Remove unnecessary masking of address Message-Id: <20080116221528.288CB150C8@wotan.suse.de> Date: Wed, 16 Jan 2008 23:15:28 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org virt_to_page does not care about the bits below the page granuality. So don't mask them. Signed-off-by: Andi Kleen Acked-by: Jan Beulich --- arch/x86/mm/pageattr_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux/arch/x86/mm/pageattr_64.c =================================================================== --- linux.orig/arch/x86/mm/pageattr_64.c +++ linux/arch/x86/mm/pageattr_64.c @@ -204,7 +204,7 @@ __change_page_attr(unsigned long address kpte = lookup_address(address, &level); if (!kpte) return 0; - kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK); + kpte_page = virt_to_page(kpte); BUG_ON(PageCompound(kpte_page)); BUG_ON(PageLRU(kpte_page));