From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756779AbYCVRv0 (ORCPT ); Sat, 22 Mar 2008 13:51:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754702AbYCVRvU (ORCPT ); Sat, 22 Mar 2008 13:51:20 -0400 Received: from smtp.wellnetcz.com ([212.24.148.102]:38348 "EHLO WNmonitoring" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754681AbYCVRvT (ORCPT ); Sat, 22 Mar 2008 13:51:19 -0400 From: Jiri Slaby To: mingo@redhat.com Cc: linux-kernel@vger.kernel.org, Jiri Slaby , Thomas Gleixner , "H. Peter Anvin" Subject: [PATCH 1/1] Arch-x86: pgtable, document pde bits Date: Sat, 22 Mar 2008 18:50:22 +0100 Message-Id: <1206208222-9671-1-git-send-email-jirislaby@gmail.com> X-Mailer: git-send-email 1.5.4.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some of pde bits weren't documented, add the short description to them. Signed-off-by: Jiri Slaby Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin --- include/asm-x86/pgtable.h | 14 +++++++------- 1 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 174b877..986204a 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -4,13 +4,13 @@ #define USER_PTRS_PER_PGD ((TASK_SIZE-1)/PGDIR_SIZE+1) #define FIRST_USER_ADDRESS 0 -#define _PAGE_BIT_PRESENT 0 -#define _PAGE_BIT_RW 1 -#define _PAGE_BIT_USER 2 -#define _PAGE_BIT_PWT 3 -#define _PAGE_BIT_PCD 4 -#define _PAGE_BIT_ACCESSED 5 -#define _PAGE_BIT_DIRTY 6 +#define _PAGE_BIT_PRESENT 0 /* is present */ +#define _PAGE_BIT_RW 1 /* writeable */ +#define _PAGE_BIT_USER 2 /* userspace addressable */ +#define _PAGE_BIT_PWT 3 /* page write through */ +#define _PAGE_BIT_PCD 4 /* page cache disabled */ +#define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ +#define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ #define _PAGE_BIT_FILE 6 #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ #define _PAGE_BIT_PAT 7 /* on 4KB pages */ -- 1.5.4.1