1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
29 lines
569 B
C
29 lines
569 B
C
#ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H
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#define _ASM_X86_PGTABLE_3LEVEL_DEFS_H
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#ifdef CONFIG_PARAVIRT
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#define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd)
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#else
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#define SHARED_KERNEL_PMD 1
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#endif
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/*
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* PGDIR_SHIFT determines what a top-level page table entry can map
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*/
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#define PGDIR_SHIFT 30
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#define PTRS_PER_PGD 4
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/*
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* PMD_SHIFT determines the size of the area a middle-level
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* page table can map
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*/
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#define PMD_SHIFT 21
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#define PTRS_PER_PMD 512
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/*
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* entries per page directory level
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*/
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#define PTRS_PER_PTE 512
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#endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */
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