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

Common definitions for 2-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>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index ed16b7704a3c..83765328e265 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -21,6 +21,13 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
         return pte;
 }
 
+void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
+{
+        pgtable_page_dtor(pte);
+        paravirt_release_pt(page_to_pfn(pte));
+        tlb_remove_page(tlb, pte);
+}
+
 #ifdef CONFIG_X86_64
 static inline void pgd_list_add(pgd_t *pgd)
 {