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x86: add PUD_PAGE_SIZE

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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>
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Andi Kleen 2008-02-04 16:48:09 +01:00 committed by Ingo Molnar
parent 019c3e7c5e
commit fbff3c21af
1 changed files with 3 additions and 0 deletions
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3
include/asm-x86/page_64.h
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@ -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