From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 9 Feb 2009 10:57:45 +0000 (+0100)
Subject: x86, pgtable.h: fix 2-level 32-bit build
X-Git-Tag: v2.6.30-rc3~72^2~31^2~2^4~17
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=c47c1b1f3a9d6973108020df1dcab7604f7774dd;p=~shefty%2Frdma-dev.git

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>
---

diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index 0b16b64a8fe..823cc931363 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -139,10 +139,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd)
 	return pmd.pmd;
 }
 
-static inline pmdval_t pmd_flags(pmd_t pmd)
-{
-	return native_pmd_val(pmd) & PTE_FLAGS_MASK;
-}
 #else  /* PAGETABLE_LEVELS == 2 */
 #include <asm-generic/pgtable-nopmd.h>
 
@@ -152,6 +148,11 @@ static inline pmdval_t native_pmd_val(pmd_t pmd)
 }
 #endif	/* PAGETABLE_LEVELS >= 3 */
 
+static inline pmdval_t pmd_flags(pmd_t pmd)
+{
+	return native_pmd_val(pmd) & PTE_FLAGS_MASK;
+}
+
 static inline pte_t native_make_pte(pteval_t val)
 {
 	return (pte_t) { .pte = val };
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 76696e98f5b..178205305ac 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)
 {