arm64: mm: Add double logical invert to pte accessors

[pandora-kernel.git] / arch / arm64 / include / asm / pgtable.h

diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index b524dcd..aa3917c 100644 (file)
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -136,11 +136,11 @@ extern struct page *empty_zero_page;
 /*
  * The following only work if pte_present(). Undefined behaviour otherwise.
  */
-#define pte_present(pte)       (pte_val(pte) & (PTE_VALID | PTE_PROT_NONE))
-#define pte_dirty(pte)         (pte_val(pte) & PTE_DIRTY)
-#define pte_young(pte)         (pte_val(pte) & PTE_AF)
-#define pte_special(pte)       (pte_val(pte) & PTE_SPECIAL)
-#define pte_write(pte)         (pte_val(pte) & PTE_WRITE)
+#define pte_present(pte)       (!!(pte_val(pte) & (PTE_VALID | PTE_PROT_NONE)))
+#define pte_dirty(pte)         (!!(pte_val(pte) & PTE_DIRTY))
+#define pte_young(pte)         (!!(pte_val(pte) & PTE_AF))
+#define pte_special(pte)       (!!(pte_val(pte) & PTE_SPECIAL))
+#define pte_write(pte)         (!!(pte_val(pte) & PTE_WRITE))
 #define pte_exec(pte)          (!(pte_val(pte) & PTE_UXN))
 
 #define pte_valid_user(pte) \