1252 	VM_BUG_ON_VMA(!vma->anon_vma, vma);  in do_huge_pmd_wp_page()
1464 	struct anon_vma *anon_vma = NULL;  in do_huge_pmd_numa_page()  local
1536 	anon_vma = page_lock_anon_vma_read(page);  in do_huge_pmd_numa_page()
1548 	if (unlikely(!anon_vma)) {  in do_huge_pmd_numa_page()
1597 	if (anon_vma)  in do_huge_pmd_numa_page()
1598 		page_unlock_anon_vma_read(anon_vma);  in do_huge_pmd_numa_page()
2595 	struct anon_vma *anon_vma = NULL;  in split_huge_page_to_list()  local
2617 		anon_vma = page_get_anon_vma(head);  in split_huge_page_to_list()
2618 		if (!anon_vma) {  in split_huge_page_to_list()
2623 		anon_vma_lock_write(anon_vma);  in split_huge_page_to_list()
2633 		anon_vma = NULL;  in split_huge_page_to_list()
2709 	if (anon_vma) {  in split_huge_page_to_list()
2710 		anon_vma_unlock_write(anon_vma);  in split_huge_page_to_list()
2711 		put_anon_vma(anon_vma);  in split_huge_page_to_list()