x86, pgtable.h: fix 2-level 32-bit build

- pmd_flags() needs to be available on 2-levels too
- provide pud_large() wrapper as well
- include page.h - it provides basic types relied on by pgtable.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 76696e98f5b3..178205305ac0 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_PGTABLE_H
 #define _ASM_X86_PGTABLE_H
 
+#include <asm/page.h>
+
 #define FIRST_USER_ADDRESS      0
 
 #define _PAGE_BIT_PRESENT       0       /* is present */
@@ -528,6 +530,13 @@ static inline unsigned long pages_to_mb(unsigned long npg)
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
         remap_pfn_range(vma, vaddr, pfn, size, prot)
 
+#if PAGETABLE_LEVELS == 2
+static inline int pud_large(pud_t pud)
+{
+        return 0;
+}
+#endif
+
 #if PAGETABLE_LEVELS > 2
 static inline int pud_none(pud_t pud)
 {