x86: unify pte_present

Impact: cleanup

Unify and demacro pte_present.

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

3 files changed, 5 insertions, 4 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index e929d43753c5..17fcc17d6b4f 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -440,6 +440,11 @@ static inline int pte_same(pte_t a, pte_t b)
         return a.pte == b.pte;
 }
 
+static inline int pte_present(pte_t a)
+{
+        return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
+}
+
 #endif  /* __ASSEMBLY__ */
 
 #ifdef CONFIG_X86_32
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 72b020deb46b..188073713fed 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -85,8 +85,6 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
 /* The boot page tables (all created as a single array) */
 extern unsigned long pg0[];
 
-#define pte_present(x)  ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE))
-
 /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
 #define pmd_none(x)     (!(unsigned long)pmd_val((x)))
 #define pmd_present(x)  (pmd_val((x)) & _PAGE_PRESENT)
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index ff2571865bf7..35b8dbc068e0 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -169,8 +169,6 @@ static inline int pmd_bad(pmd_t pmd)
         return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
 }
 
-#define pte_present(x)  (pte_val((x)) & (_PAGE_PRESENT | _PAGE_PROTNONE))
-
 #define pages_to_mb(x)  ((x) >> (20 - PAGE_SHIFT))   /* FIXME: is this right? */
 
 /*