x86: move pmd functions into common asm/pgalloc.h

Common definitions for 3-level pagetable functions.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

3 files changed, 8 insertions, 15 deletions

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 9c09893e54fb..4465104f5514 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -662,11 +662,6 @@ int memory_add_physaddr_to_nid(u64 start)
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
 
-void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
-{
-        tlb_remove_page(tlb, virt_to_page(pmd));
-}
-
 void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
 {
         tlb_remove_page(tlb, virt_to_page(pud));
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 83765328e265..1c41efedf6d0 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -28,6 +28,14 @@ void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
         tlb_remove_page(tlb, pte);
 }
 
+#if PAGETABLE_LEVELS > 2
+void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
+{
+        paravirt_release_pd(__pa(pmd) >> PAGE_SHIFT);
+        tlb_remove_page(tlb, virt_to_page(pmd));
+}
+#endif  /* PAGETABLE_LEVELS > 2 */
+
 #ifdef CONFIG_X86_64
 static inline void pgd_list_add(pgd_t *pgd)
 {
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index b9e3dac32391..9ee007be9142 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -173,16 +173,6 @@ void reserve_top_address(unsigned long reserve)
         __VMALLOC_RESERVE += reserve;
 }
 
-#ifdef CONFIG_X86_PAE
-
-void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
-{
-        paravirt_release_pd(__pa(pmd) >> PAGE_SHIFT);
-        tlb_remove_page(tlb, virt_to_page(pmd));
-}
-
-#endif
-
 int pmd_bad(pmd_t pmd)
 {
         WARN_ON_ONCE(pmd_bad_v1(pmd) != pmd_bad_v2(pmd));