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Diffstat (limited to 'include/asm-x86/page.h')
-rw-r--r--include/asm-x86/page.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 28d7b4533b1..6c846228948 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -18,8 +18,11 @@
(ie, 32-bit PAE). */
#define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK)
-/* PTE_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
-#define PTE_MASK ((pteval_t)PHYSICAL_PAGE_MASK)
+/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
+#define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK)
+
+/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */
+#define PTE_FLAGS_MASK (~PTE_PFN_MASK)
#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT)
#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1))
@@ -144,6 +147,11 @@ static inline pteval_t native_pte_val(pte_t pte)
return pte.pte;
}
+static inline pteval_t native_pte_flags(pte_t pte)
+{
+ return native_pte_val(pte) & PTE_FLAGS_MASK;
+}
+
#define pgprot_val(x) ((x).pgprot)
#define __pgprot(x) ((pgprot_t) { (x) } )
@@ -165,7 +173,7 @@ static inline pteval_t native_pte_val(pte_t pte)
#endif
#define pte_val(x) native_pte_val(x)
-#define pte_flags(x) native_pte_val(x)
+#define pte_flags(x) native_pte_flags(x)
#define __pte(x) native_make_pte(x)
#endif /* CONFIG_PARAVIRT */