diff --git a/mm/memory.c b/mm/memory.c
index 5bfa52a98630..8d10b5540c73 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1146,12 +1146,12 @@ int zeromap_page_range(struct vm_area_struct *vma,
 	return err;
 }
 
-pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr, spinlock_t **ptl)
+pte_t * fastcall get_locked_pte(struct mm_struct *mm, unsigned long addr, spinlock_t **ptl)
 {
 	pgd_t * pgd = pgd_offset(mm, addr);
 	pud_t * pud = pud_alloc(mm, pgd, addr);
 	if (pud) {
-		pmd_t * pmd = pmd_alloc(mm, pgd, addr);
+		pmd_t * pmd = pmd_alloc(mm, pud, addr);
 		if (pmd)
 			return pte_alloc_map_lock(mm, pmd, addr, ptl);
 	}