146 				struct anon_vma_chain *avc,  in anon_vma_chain_link()  argument
149 	avc->vma = vma;  in anon_vma_chain_link()
150 	avc->anon_vma = anon_vma;  in anon_vma_chain_link()
151 	list_add(&avc->same_vma, &vma->anon_vma_chain);  in anon_vma_chain_link()
152 	anon_vma_interval_tree_insert(avc, &anon_vma->rb_root);  in anon_vma_chain_link()
187 	struct anon_vma_chain *avc;  in __anon_vma_prepare()  local
191 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in __anon_vma_prepare()
192 	if (!avc)  in __anon_vma_prepare()
209 		anon_vma_chain_link(vma, avc, anon_vma);  in __anon_vma_prepare()
213 		avc = NULL;  in __anon_vma_prepare()
220 	if (unlikely(avc))  in __anon_vma_prepare()
221 		anon_vma_chain_free(avc);  in __anon_vma_prepare()
226 	anon_vma_chain_free(avc);  in __anon_vma_prepare()
277 	struct anon_vma_chain *avc, *pavc;  in anon_vma_clone()  local
283 		avc = anon_vma_chain_alloc(GFP_NOWAIT | __GFP_NOWARN);  in anon_vma_clone()
284 		if (unlikely(!avc)) {  in anon_vma_clone()
287 			avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_clone()
288 			if (!avc)  in anon_vma_clone()
293 		anon_vma_chain_link(dst, avc, anon_vma);  in anon_vma_clone()
331 	struct anon_vma_chain *avc;  in anon_vma_fork()  local
358 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_fork()
359 	if (!avc)  in anon_vma_fork()
377 	anon_vma_chain_link(vma, avc, anon_vma);  in anon_vma_fork()
392 	struct anon_vma_chain *avc, *next;  in unlink_anon_vmas()  local
399 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
400 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
403 		anon_vma_interval_tree_remove(avc, &anon_vma->rb_root);  in unlink_anon_vmas()
414 		list_del(&avc->same_vma);  in unlink_anon_vmas()
415 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
433 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
434 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
439 		list_del(&avc->same_vma);  in unlink_anon_vmas()
440 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
2272 	struct anon_vma_chain *avc;  in rmap_walk_anon()  local
2286 	anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root,  in rmap_walk_anon()
2288 		struct vm_area_struct *vma = avc->vma;  in rmap_walk_anon()