diff options
| author | Andi Kleen | 2008-02-04 16:48:09 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2008-02-04 16:48:09 +0100 |
| commit | fbff3c21aff29ffdfa46b50946696689d3e70a48 (patch) | |
| tree | 5a69a045c29b650c3c9748eeeab676e5ef452bee /include | |
| parent | x86: add feature macros for the gbpages cpuid bit (diff) | |
| download | kernel-qcow2-linux-fbff3c21aff29ffdfa46b50946696689d3e70a48.tar.gz kernel-qcow2-linux-fbff3c21aff29ffdfa46b50946696689d3e70a48.tar.xz kernel-qcow2-linux-fbff3c21aff29ffdfa46b50946696689d3e70a48.zip | |
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')
| -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 |