[PATCH 14 of 36] x86: unify pgd_page

From: Jeremy Fitzhardinge
Date: Thu Feb 05 2009 - 14:44:58 EST


Impact: cleanup

Unify and demacro pgd_page.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/include/asm/pgtable.h | 5 +++++
arch/x86/include/asm/pgtable_64.h | 1 -
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -533,6 +533,11 @@
{
return (unsigned long)__va((unsigned long)pgd_val(pgd) & PTE_PFN_MASK);
}
+
+static inline struct page *pgd_page(pgd_t pgd)
+{
+ return pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT);
+}
#endif /* PAGETABLE_LEVELS > 3 */

#endif /* __ASSEMBLY__ */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -178,7 +178,6 @@
/*
* Level 4 access.
*/
-#define pgd_page(pgd) (pfn_to_page(pgd_val((pgd)) >> PAGE_SHIFT))
static inline int pgd_large(pgd_t pgd) { return 0; }
#define mk_kernel_pgd(address) __pgd((address) | _KERNPG_TABLE)



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