Commit cbb3077c authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by Linus Torvalds

xen: use PTE_MASK in pte_mfn()

Use PTE_MASK to extract mfn from pte.
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Tested-by: default avatarHugh Dickins <hugh@veritas.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ba23cef5
...@@ -127,7 +127,7 @@ static inline void set_phys_to_machine(unsigned long pfn, unsigned long mfn) ...@@ -127,7 +127,7 @@ static inline void set_phys_to_machine(unsigned long pfn, unsigned long mfn)
static inline unsigned long pte_mfn(pte_t pte) static inline unsigned long pte_mfn(pte_t pte)
{ {
return (pte.pte & ~_PAGE_NX) >> PAGE_SHIFT; return (pte.pte & PTE_MASK) >> PAGE_SHIFT;
} }
static inline pte_t mfn_pte(unsigned long page_nr, pgprot_t pgprot) static inline pte_t mfn_pte(unsigned long page_nr, pgprot_t pgprot)
......
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