147 				struct anon_vma_chain *avc,  in anon_vma_chain_link()  argument
150 	avc->vma = vma;  in anon_vma_chain_link()
151 	avc->anon_vma = anon_vma;  in anon_vma_chain_link()
152 	list_add(&avc->same_vma, &vma->anon_vma_chain);  in anon_vma_chain_link()
153 	anon_vma_interval_tree_insert(avc, &anon_vma->rb_root);  in anon_vma_chain_link()
188 	struct anon_vma_chain *avc;  in __anon_vma_prepare()  local
192 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in __anon_vma_prepare()
193 	if (!avc)  in __anon_vma_prepare()
210 		anon_vma_chain_link(vma, avc, anon_vma);  in __anon_vma_prepare()
214 		avc = NULL;  in __anon_vma_prepare()
221 	if (unlikely(avc))  in __anon_vma_prepare()
222 		anon_vma_chain_free(avc);  in __anon_vma_prepare()
227 	anon_vma_chain_free(avc);  in __anon_vma_prepare()
278 	struct anon_vma_chain *avc, *pavc;  in anon_vma_clone()  local
284 		avc = anon_vma_chain_alloc(GFP_NOWAIT | __GFP_NOWARN);  in anon_vma_clone()
285 		if (unlikely(!avc)) {  in anon_vma_clone()
288 			avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_clone()
289 			if (!avc)  in anon_vma_clone()
294 		anon_vma_chain_link(dst, avc, anon_vma);  in anon_vma_clone()
332 	struct anon_vma_chain *avc;  in anon_vma_fork()  local
359 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_fork()
360 	if (!avc)  in anon_vma_fork()
378 	anon_vma_chain_link(vma, avc, anon_vma);  in anon_vma_fork()
393 	struct anon_vma_chain *avc, *next;  in unlink_anon_vmas()  local
400 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
401 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
404 		anon_vma_interval_tree_remove(avc, &anon_vma->rb_root);  in unlink_anon_vmas()
415 		list_del(&avc->same_vma);  in unlink_anon_vmas()
416 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
427 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
428 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
433 		list_del(&avc->same_vma);  in unlink_anon_vmas()
434 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
1958 	struct anon_vma_chain *avc;  in rmap_walk_anon()  local
1972 	anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root,  in rmap_walk_anon()
1974 		struct vm_area_struct *vma = avc->vma;  in rmap_walk_anon()