x86: fix pmd_bad and pud_bad to support huge pages

[pandora-kernel.git] / include / asm-x86 / pgtable_32.h

diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index a842c72..b478efa 100644 (file)
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -91,7 +91,9 @@ extern unsigned long pg0[];
 /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
 #define pmd_none(x)    (!(unsigned long)pmd_val(x))
 #define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT)
-#define        pmd_bad(x)      ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
+#define        pmd_bad(x)      ((pmd_val(x) \
+                         & ~(PAGE_MASK | _PAGE_USER | _PAGE_PSE | _PAGE_NX)) \
+                        != _KERNPG_TABLE)
 
 
 #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))