x86: add PTE_FLAGS_MASK
PTE_PFN_MASK was getting lonely, so I made it a friend.
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 2b1746c..3e5dbc4 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -286,7 +286,7 @@
return __pgprot(preservebits | addbits);
}
-#define pte_pgprot(x) __pgprot(pte_flags(x) & ~PTE_PFN_MASK)
+#define pte_pgprot(x) __pgprot(pte_flags(x) & PTE_FLAGS_MASK)
#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)