x86: unify pud_large

Impact: cleanup

Unify and demacro pud_large.

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

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index c61b37af1f28..0c734e2a90ca 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -540,6 +540,12 @@ static inline unsigned long pmd_pfn(pmd_t pmd)
 {
         return (pmd_val(pmd) & PTE_PFN_MASK) >> PAGE_SHIFT;
 }
+
+static inline int pud_large(pud_t pud)
+{
+        return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) ==
+                (_PAGE_PSE | _PAGE_PRESENT);
+}
 #endif  /* PAGETABLE_LEVELS > 2 */
 
 #if PAGETABLE_LEVELS > 3