4133 	struct page *old_page, *new_page;  in hugetlb_cow()  local
4140 	old_page = pte_page(pte);  in hugetlb_cow()
4145 	if (page_mapcount(old_page) == 1 && PageAnon(old_page)) {  in hugetlb_cow()
4146 		page_move_anon_rmap(old_page, vma);  in hugetlb_cow()
4161 			old_page != pagecache_page)  in hugetlb_cow()
4164 	get_page(old_page);  in hugetlb_cow()
4186 			put_page(old_page);  in hugetlb_cow()
4202 			unmap_ref_private(mm, vma, old_page, haddr);  in hugetlb_cow()
4231 	copy_user_huge_page(new_page, old_page, address, vma,  in hugetlb_cow()
4253 		page_remove_rmap(old_page, true);  in hugetlb_cow()
4257 		new_page = old_page;  in hugetlb_cow()
4265 	put_page(old_page);  in hugetlb_cow()