powerpc/mm: Update _PAGE_KERNEL_RO

[linux.git] / arch / powerpc / include / asm / book3s / 64 / hash.h

diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index e1abe39e9dc2ecdb1f8a1dfbfbccdb69232a3d8b..eb224792095f8e5b73e977afbe9aad5385916719 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -119,10 +119,10 @@
 #endif /* CONFIG_PPC_MM_SLICES */
 
 /*
- * No separate kernel read-only, user access blocked by key
+ * user access blocked by key
  */
 #define _PAGE_KERNEL_RW                (_PAGE_PRIVILEGED | _PAGE_RW | _PAGE_DIRTY)
-#define _PAGE_KERNEL_RO                 _PAGE_KERNEL_RW
+#define _PAGE_KERNEL_RO                 (_PAGE_PRIVILEGED | _PAGE_READ)
 #define _PAGE_KERNEL_RWX       (_PAGE_PRIVILEGED | _PAGE_DIRTY | \
                                 _PAGE_RW | _PAGE_EXEC)