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x86: unify pmd_present

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Impact: cleanup

Unify and demacro pmd_present.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Jeremy Fitzhardinge
2009-02-05 11:30:50 -08:00
parent 9f38d7e85e
commit 649e8ef60f
3 changed files with 5 additions and 2 deletions
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arch/x86/include/asm/pgtable_32.h
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@ -87,7 +87,6 @@ extern unsigned long pg0[];
/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
#define pmd_none(x) (!(unsigned long)pmd_val((x)))
#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT)
#define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))