6 files changed, 11 insertions, 4 deletions

diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
index c49b44cdd8ee..f93599dc7756 100644
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -35,6 +35,7 @@ struct desc_struct;
 struct paravirt_ops
 {
         unsigned int kernel_rpl;
+        int shared_kernel_pmd;
         int paravirt_enabled;
         const char *name;
 
diff --git a/include/asm-i386/pgtable-2level-defs.h b/include/asm-i386/pgtable-2level-defs.h
index 02518079f816..0f71c9f13da4 100644
--- a/include/asm-i386/pgtable-2level-defs.h
+++ b/include/asm-i386/pgtable-2level-defs.h
@@ -1,6 +1,8 @@
 #ifndef _I386_PGTABLE_2LEVEL_DEFS_H
 #define _I386_PGTABLE_2LEVEL_DEFS_H
 
+#define SHARED_KERNEL_PMD       0
+
 /*
  * traditional i386 two-level paging structure:
  */
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index 043a2bcfa86a..781fe4bcc962 100644
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -82,6 +82,4 @@ static inline int pte_exec_kernel(pte_t pte)
 #define __pte_to_swp_entry(pte)         ((swp_entry_t) { (pte).pte_low })
 #define __swp_entry_to_pte(x)           ((pte_t) { (x).val })
 
-void vmalloc_sync_all(void);
-
 #endif /* _I386_PGTABLE_2LEVEL_H */
diff --git a/include/asm-i386/pgtable-3level-defs.h b/include/asm-i386/pgtable-3level-defs.h
index eb3a1ea88671..c0df89f66e8b 100644
--- a/include/asm-i386/pgtable-3level-defs.h
+++ b/include/asm-i386/pgtable-3level-defs.h
@@ -1,6 +1,12 @@
 #ifndef _I386_PGTABLE_3LEVEL_DEFS_H
 #define _I386_PGTABLE_3LEVEL_DEFS_H
 
+#ifdef CONFIG_PARAVIRT
+#define SHARED_KERNEL_PMD       (paravirt_ops.shared_kernel_pmd)
+#else
+#define SHARED_KERNEL_PMD       1
+#endif
+
 /*
  * PGDIR_SHIFT determines what a top-level page table entry can map
  */
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index be6017f37a91..664bfee5a2f2 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -200,6 +200,4 @@ static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
 
 #define __pmd_free_tlb(tlb, x)          do { } while (0)
 
-#define vmalloc_sync_all() ((void)0)
-
 #endif /* _I386_PGTABLE_3LEVEL_H */
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index 0790ad6ed440..5b88a6a1278e 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -243,6 +243,8 @@ static inline pte_t pte_mkyoung(pte_t pte)	{ (pte).pte_low |= _PAGE_ACCESSED; re
 static inline pte_t pte_mkwrite(pte_t pte)      { (pte).pte_low |= _PAGE_RW; return pte; }
 static inline pte_t pte_mkhuge(pte_t pte)       { (pte).pte_low |= _PAGE_PSE; return pte; }
 
+extern void vmalloc_sync_all(void);
+
 #ifdef CONFIG_X86_PAE
 # include <asm/pgtable-3level.h>
 #else