x86: unify pgd_none

Impact: cleanup

Unify and demacro pgd_none.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

2 files changed, 5 insertions, 2 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 0ef49f3ebc8..18afcd31e76 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -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__ */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index d58c2ee15c3..3b92a4ca403 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -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);