diff options
Diffstat (limited to 'include/asm-x86/page.h')
| -rw-r--r-- | include/asm-x86/page.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h index 28d7b4533b1a..6c846228948d 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 */ |