diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 5cf327337e22..2c5f34e315d2 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -258,15 +258,23 @@ generic_hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 			pgoff, flags);
 }
 
-#ifndef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-static unsigned long
-hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
-			  unsigned long len, unsigned long pgoff,
-			  unsigned long flags)
+unsigned long
+__hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+			    unsigned long len, unsigned long flags)
 {
-	return generic_hugetlb_get_unmapped_area(file, addr, len, pgoff, flags);
+	unsigned long addr0 = 0;
+	struct hstate *h = hstate_file(file);
+
+	if (len & ~huge_page_mask(h))
+		return -EINVAL;
+	if ((flags & MAP_FIXED) && prepare_hugepage_range(file, addr, len))
+		return -EINVAL;
+	if (addr)
+		addr0 = ALIGN(addr, huge_page_size(h));
+
+	return mm_get_unmapped_area_vmflags(current->mm, file, addr, len, pgoff,
+					    flags, 0);
 }
-#endif
 
 /*
  * Someone wants to read @bytes from a HWPOISON hugetlb @page from @offset.
@@ -1300,7 +1308,7 @@ static const struct file_operations hugetlbfs_file_operations = {
 	.read_iter		= hugetlbfs_read_iter,
 	.mmap			= hugetlbfs_file_mmap,
 	.fsync			= noop_fsync,
-	.get_unmapped_area	= hugetlb_get_unmapped_area,
+	.get_unmapped_area	= __hugetlb_get_unmapped_area,
 	.llseek			= default_llseek,
 	.fallocate		= hugetlbfs_fallocate,
 	.fop_flags		= FOP_HUGE_PAGES,
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 368d552e4860..3a81b6126f62 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -546,11 +546,10 @@ static inline struct hstate *hstate_inode(struct inode *i)
 }
 #endif /* !CONFIG_HUGETLBFS */
 
-#ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
-					unsigned long len, unsigned long pgoff,
-					unsigned long flags);
-#endif /* HAVE_ARCH_HUGETLB_UNMAPPED_AREA */
+unsigned long
+__generic_hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+				    unsigned long len, unsigned long pgoff,
+				    unsigned long flags);
 
 unsigned long
 generic_hugetlb_get_unmapped_area(struct file *file, unsigned long addr,