diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index ae45676..6af1ae4 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -37,7 +37,8 @@
 
 #ifndef ARCH_HAS_HUGEPAGE_ONLY_RANGE
 #define is_hugepage_only_range(mm, addr, len)	0
-#define hugetlb_free_pgtables(tlb, prev, start, end) do { } while (0)
+#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) \
+						do { } while (0)
 #endif
 
 #ifndef ARCH_HAS_PREPARE_HUGEPAGE_RANGE
@@ -72,7 +73,8 @@
 #define prepare_hugepage_range(addr, len)	(-EINVAL)
 #define pmd_huge(x)	0
 #define is_hugepage_only_range(mm, addr, len)	0
-#define hugetlb_free_pgtables(tlb, prev, start, end) do { } while (0)
+#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) \
+						do { } while (0)
 #define alloc_huge_page()			({ NULL; })
 #define free_huge_page(p)			({ (void)(p); BUG(); })
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 59eca28..c74a74c 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -587,7 +587,9 @@
 		struct vm_area_struct *start_vma, unsigned long start_addr,
 		unsigned long end_addr, unsigned long *nr_accounted,
 		struct zap_details *);
-void free_pgtables(struct mmu_gather **tlb, struct vm_area_struct *vma,
+void free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
+		unsigned long end, unsigned long floor, unsigned long ceiling);
+void free_pgtables(struct mmu_gather **tlb, struct vm_area_struct *start_vma,
 		unsigned long floor, unsigned long ceiling);
 int copy_page_range(struct mm_struct *dst, struct mm_struct *src,
 			struct vm_area_struct *vma);