From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756702AbYASGth (ORCPT ); Sat, 19 Jan 2008 01:49:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751667AbYASGsw (ORCPT ); Sat, 19 Jan 2008 01:48:52 -0500 Received: from ns.suse.de ([195.135.220.2]:33230 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751881AbYASGsd (ORCPT ); Sat, 19 Jan 2008 01:48:33 -0500 From: Andi Kleen References: <20080119748.170864000@suse.de> In-Reply-To: <20080119748.170864000@suse.de> To: mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: [PATCH] [4/8] Add pgtable accessor functions for GB pages Message-Id: <20080119064832.786F614EAD@wotan.suse.de> Date: Sat, 19 Jan 2008 07:48:32 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Andi Kleen --- include/asm-x86/pgtable_64.h | 6 ++++++ 1 file changed, 6 insertions(+) Index: linux/include/asm-x86/pgtable_64.h =================================================================== --- linux.orig/include/asm-x86/pgtable_64.h +++ linux/include/asm-x86/pgtable_64.h @@ -208,6 +208,12 @@ static inline unsigned long pmd_bad(pmd_ #define pud_offset(pgd, address) ((pud_t *) pgd_page_vaddr(*(pgd)) + pud_index(address)) #define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT) +static inline int pud_large(pud_t pte) +{ + return (pud_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) == + (_PAGE_PSE|_PAGE_PRESENT); +} + /* PMD - Level 2 access */ #define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK)) #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))