From 7325cc2e333cdaaabd2103552458876ea85adb33 Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Thu, 5 Feb 2009 11:31:14 -0800
Subject: [PATCH] x86: unify pgd_none
Impact: cleanup
Unify and demacro pgd_none.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
---
arch/x86/include/asm/pgtable.h | 5 +++++
arch/x86/include/asm/pgtable_64.h | 2 --
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 0ef49f3ebc88..18afcd31e76c 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 d58c2ee15c3c..3b92a4ca4030 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);