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x86: unify pud_present
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Impact: cleanup

Unify and demacro pud_present.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Jeremy Fitzhardinge committed Feb 6, 2009
1 parent 7c68385 commit 5ba7c91
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Showing 3 changed files with 7 additions and 6 deletions.
5 changes: 0 additions & 5 deletions arch/x86/include/asm/pgtable-3level.h
Original file line number Diff line number Diff line change
Expand Up @@ -28,11 +28,6 @@ static inline int pud_bad(pud_t pud)
return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
}

static inline int pud_present(pud_t pud)
{
return pud_val(pud) & _PAGE_PRESENT;
}

/* Rules for using set_pte: the pte being assigned *must* be
* either not present or in a state where the hardware will
* not attempt to update the pte. In places where this is
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7 changes: 7 additions & 0 deletions arch/x86/include/asm/pgtable.h
Original file line number Diff line number Diff line change
Expand Up @@ -445,6 +445,13 @@ static inline int pte_present(pte_t a)
return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
}

#if PAGETABLE_LEVELS > 2
static inline int pud_present(pud_t pud)
{
return pud_val(pud) & _PAGE_PRESENT;
}
#endif /* PAGETABLE_LEVELS > 2 */

#endif /* __ASSEMBLY__ */

#ifdef CONFIG_X86_32
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1 change: 0 additions & 1 deletion arch/x86/include/asm/pgtable_64.h
Original file line number Diff line number Diff line change
Expand Up @@ -194,7 +194,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
#define pud_offset(pgd, address) \
((pud_t *)pgd_page_vaddr(*(pgd)) + pud_index((address)))
#define pud_present(pud) (pud_val((pud)) & _PAGE_PRESENT)

static inline int pud_large(pud_t pte)
{
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