x86: unify pud_page_vaddr

Impact: cleanup

Unify and demacro pud_page_vaddr.
Signed-off-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

arch/x86/include/asm/pgtable-3level.h

@@ -117,9 +117,6 @@ static inline void pud_clear(pud_t *pudp)
 
 #define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT)
 
-#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PTE_PFN_MASK))
-
-
 /* Find an entry in the second-level page table.. */
 #define pmd_offset(pud, address) ((pmd_t *)pud_page_vaddr(*(pud)) +	\
 				  pmd_index(address))

arch/x86/include/asm/pgtable.h

@@ -462,6 +462,11 @@ static inline int pud_present(pud_t pud)
 {
 	return pud_val(pud) & _PAGE_PRESENT;
 }
+
+static inline unsigned long pud_page_vaddr(pud_t pud)
+{
+	return (unsigned long)__va((unsigned long)pud_val(pud) & PTE_PFN_MASK);
+}
 #endif	/* PAGETABLE_LEVELS > 2 */
 
 #if PAGETABLE_LEVELS > 3

arch/x86/include/asm/pgtable_64.h

@@ -185,8 +185,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
 
 /* PUD - Level3 access */
 /* to find an entry in a page-table-directory. */
-#define pud_page_vaddr(pud)						\
-	((unsigned long)__va(pud_val((pud)) & PHYSICAL_PAGE_MASK))
 #define pud_page(pud)	(pfn_to_page(pud_val((pud)) >> PAGE_SHIFT))
 #define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
 #define pud_offset(pgd, address)					\