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| author | Andi Kleen <ak@suse.de> | 2008-02-04 18:48:09 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-02-04 18:48:09 +0300 |
| commit | fbff3c21aff29ffdfa46b50946696689d3e70a48 (patch) | |
| tree | 5a69a045c29b650c3c9748eeeab676e5ef452bee /include/asm-x86/page_64.h | |
| parent | 019c3e7c5e93475002edfc0da6c59508247553b1 (diff) | |
| download | linux-fbff3c21aff29ffdfa46b50946696689d3e70a48.tar.xz | |
x86: add PUD_PAGE_SIZE
a PUD entry covers 1GB of virtual memory.
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/page_64.h')
| -rw-r--r-- | include/asm-x86/page_64.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h index c1ac42d8707f..dcf0c0746075 100644 --- a/include/asm-x86/page_64.h +++ b/include/asm-x86/page_64.h @@ -23,6 +23,9 @@ #define MCE_STACK 5 #define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ +#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) +#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) + #define __PAGE_OFFSET _AC(0xffff810000000000, UL) #define __PHYSICAL_START CONFIG_PHYSICAL_START |