4151 	struct page *old_page, *new_page;  in hugetlb_cow()  local
4158 	old_page = pte_page(pte);  in hugetlb_cow()
4163 	if (page_mapcount(old_page) == 1 && PageAnon(old_page)) {  in hugetlb_cow()
4164 		page_move_anon_rmap(old_page, vma);  in hugetlb_cow()
4179 			old_page != pagecache_page)  in hugetlb_cow()
4182 	get_page(old_page);  in hugetlb_cow()
4204 			put_page(old_page);  in hugetlb_cow()
4220 			unmap_ref_private(mm, vma, old_page, haddr);  in hugetlb_cow()
4249 	copy_user_huge_page(new_page, old_page, address, vma,  in hugetlb_cow()
4271 		page_remove_rmap(old_page, true);  in hugetlb_cow()
4275 		new_page = old_page;  in hugetlb_cow()
4283 	put_page(old_page);  in hugetlb_cow()