From 9bf5a47572fe4ea4e5ed2691e4313ea0bb68a74e Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Mon, 4 Feb 2008 16:48:06 +0100 Subject: [PATCH] x86: cpa, add the PAT bit defines Signed-off-by: Andi Kleen Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- include/asm-x86/pgtable.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index cd2524f07452..44c0a4f1b1eb 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -13,10 +13,12 @@ #define _PAGE_BIT_DIRTY 6 #define _PAGE_BIT_FILE 6 #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ +#define _PAGE_BIT_PAT 7 /* on 4KB pages */ #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ #define _PAGE_BIT_UNUSED1 9 /* available for programmer */ #define _PAGE_BIT_UNUSED2 10 #define _PAGE_BIT_UNUSED3 11 +#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ /* @@ -36,6 +38,8 @@ #define _PAGE_UNUSED1 (_AC(1, L)<<_PAGE_BIT_UNUSED1) #define _PAGE_UNUSED2 (_AC(1, L)<<_PAGE_BIT_UNUSED2) #define _PAGE_UNUSED3 (_AC(1, L)<<_PAGE_BIT_UNUSED3) +#define _PAGE_PAT (_AC(1, L)<<_PAGE_BIT_PAT) +#define _PAGE_PAT_LARGE (_AC(1, L)<<_PAGE_BIT_PAT_LARGE) #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) #define _PAGE_NX (_AC(1, ULL) << _PAGE_BIT_NX) -- 2.30.2