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x86: Split pgtable_64.h into pgtable_64_types.h and pgtable_64.h
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
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Jeremy Fitzhardinge
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Feb 11, 2009
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#ifndef _ASM_X86_PGTABLE_64_DEFS_H | ||
#define _ASM_X86_PGTABLE_64_DEFS_H | ||
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#define SHARED_KERNEL_PMD 0 | ||
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/* | ||
* PGDIR_SHIFT determines what a top-level page table entry can map | ||
*/ | ||
#define PGDIR_SHIFT 39 | ||
#define PTRS_PER_PGD 512 | ||
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/* | ||
* 3rd level page | ||
*/ | ||
#define PUD_SHIFT 30 | ||
#define PTRS_PER_PUD 512 | ||
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/* | ||
* PMD_SHIFT determines the size of the area a middle-level | ||
* page table can map | ||
*/ | ||
#define PMD_SHIFT 21 | ||
#define PTRS_PER_PMD 512 | ||
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/* | ||
* entries per page directory level | ||
*/ | ||
#define PTRS_PER_PTE 512 | ||
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#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) | ||
#define PMD_MASK (~(PMD_SIZE - 1)) | ||
#define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) | ||
#define PUD_MASK (~(PUD_SIZE - 1)) | ||
#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) | ||
#define PGDIR_MASK (~(PGDIR_SIZE - 1)) | ||
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#define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) | ||
#define VMALLOC_START _AC(0xffffc20000000000, UL) | ||
#define VMALLOC_END _AC(0xffffe1ffffffffff, UL) | ||
#define VMEMMAP_START _AC(0xffffe20000000000, UL) | ||
#define MODULES_VADDR _AC(0xffffffffa0000000, UL) | ||
#define MODULES_END _AC(0xffffffffff000000, UL) | ||
#define MODULES_LEN (MODULES_END - MODULES_VADDR) | ||
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#endif /* _ASM_X86_PGTABLE_64_DEFS_H */ |