198 		struct anon_vma *anon_vma;	/* when stable */  member
529 	if (!(vma->vm_flags & VM_MERGEABLE) || !vma->anon_vma)  in find_mergeable_vma()
544 	put_anon_vma(rmap_item->anon_vma);  in break_cow()
646 		put_anon_vma(rmap_item->anon_vma);  in remove_node_from_stable_tree()
796 		put_anon_vma(rmap_item->anon_vma);  in remove_rmap_item_from_tree()
985 			if (!(vma->vm_flags & VM_MERGEABLE) || !vma->anon_vma)  in unmerge_and_remove_all_rmap_items()
1298 	rmap_item->anon_vma = vma->anon_vma;  in try_to_merge_with_ksm_page()
1299 	get_anon_vma(vma->anon_vma);  in try_to_merge_with_ksm_page()
2301 		if (!vma->anon_vma)  in scan_get_next_rmap_item()
2479 		if (vma->anon_vma) {  in ksm_madvise()
2573 	struct anon_vma *anon_vma = page_anon_vma(page);  in ksm_might_need_to_copy()  local
2580 	} else if (!anon_vma) {  in ksm_might_need_to_copy()
2582 	} else if (anon_vma->root == vma->anon_vma->root &&  in ksm_might_need_to_copy()
2624 		struct anon_vma *anon_vma = rmap_item->anon_vma;  in rmap_walk_ksm()  local
2629 		if (!anon_vma_trylock_read(anon_vma)) {  in rmap_walk_ksm()
2634 			anon_vma_lock_read(anon_vma);  in rmap_walk_ksm()
2636 		anon_vma_interval_tree_foreach(vmac, &anon_vma->rb_root,  in rmap_walk_ksm()
2661 				anon_vma_unlock_read(anon_vma);  in rmap_walk_ksm()
2665 				anon_vma_unlock_read(anon_vma);  in rmap_walk_ksm()
2669 		anon_vma_unlock_read(anon_vma);  in rmap_walk_ksm()