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authorAndi Kleen <ak@suse.de>2008-02-04 16:48:06 +0100
committerIngo Molnar <mingo@elte.hu>2008-02-04 16:48:06 +0100
commit9bf5a47572fe4ea4e5ed2691e4313ea0bb68a74e (patch)
treecea24d5c574b69fb17539e38d399e10c4588e9de /include/asm-x86
parent331e406588dc90331753e6562e5e3757bb907eb8 (diff)
downloadop-kernel-dev-9bf5a47572fe4ea4e5ed2691e4313ea0bb68a74e.zip
op-kernel-dev-9bf5a47572fe4ea4e5ed2691e4313ea0bb68a74e.tar.gz
x86: cpa, add the PAT bit defines
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/pgtable.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index cd2524f..44c0a4f 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)
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