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>
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 8376532..1c41efe 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -28,6 +28,14 @@
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)
{