x86: unify pgd_none
authorJeremy Fitzhardinge <jeremy@goop.org>
Thu, 5 Feb 2009 19:31:14 +0000 (11:31 -0800)
committerJeremy Fitzhardinge <jeremy@goop.org>
Fri, 6 Feb 2009 20:31:51 +0000 (12:31 -0800)
Impact: cleanup

Unify and demacro pgd_none.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
arch/x86/include/asm/pgtable.h
arch/x86/include/asm/pgtable_64.h

index 0ef49f3..18afcd3 100644 (file)
@@ -599,6 +599,11 @@ static inline int pgd_bad(pgd_t pgd)
 {
        return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
 }
+
+static inline int pgd_none(pgd_t pgd)
+{
+       return !pgd_val(pgd);
+}
 #endif /* PAGETABLE_LEVELS > 3 */
 
 #endif /* __ASSEMBLY__ */
index d58c2ee..3b92a4c 100644 (file)
@@ -67,8 +67,6 @@ extern void paging_init(void);
        printk("%s:%d: bad pgd %p(%016lx).\n",          \
               __FILE__, __LINE__, &(e), pgd_val(e))
 
-#define pgd_none(x)    (!pgd_val(x))
-
 struct mm_struct;
 
 void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte);