128 				struct anon_vma_chain *avc,  in anon_vma_chain_link()  argument
131 	avc->vma = vma;  in anon_vma_chain_link()
132 	avc->anon_vma = anon_vma;  in anon_vma_chain_link()
133 	list_add(&avc->same_vma, &vma->anon_vma_chain);  in anon_vma_chain_link()
134 	anon_vma_interval_tree_insert(avc, &anon_vma->rb_root);  in anon_vma_chain_link()
167 	struct anon_vma_chain *avc;  in anon_vma_prepare()  local
174 		avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_prepare()
175 		if (!avc)  in anon_vma_prepare()
192 			anon_vma_chain_link(vma, avc, anon_vma);  in anon_vma_prepare()
196 			avc = NULL;  in anon_vma_prepare()
203 		if (unlikely(avc))  in anon_vma_prepare()
204 			anon_vma_chain_free(avc);  in anon_vma_prepare()
209 	anon_vma_chain_free(avc);  in anon_vma_prepare()
254 	struct anon_vma_chain *avc, *pavc;  in anon_vma_clone()  local
260 		avc = anon_vma_chain_alloc(GFP_NOWAIT | __GFP_NOWARN);  in anon_vma_clone()
261 		if (unlikely(!avc)) {  in anon_vma_clone()
264 			avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_clone()
265 			if (!avc)  in anon_vma_clone()
270 		anon_vma_chain_link(dst, avc, anon_vma);  in anon_vma_clone()
308 	struct anon_vma_chain *avc;  in anon_vma_fork()  local
335 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_fork()
336 	if (!avc)  in anon_vma_fork()
354 	anon_vma_chain_link(vma, avc, anon_vma);  in anon_vma_fork()
369 	struct anon_vma_chain *avc, *next;  in unlink_anon_vmas()  local
376 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
377 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
380 		anon_vma_interval_tree_remove(avc, &anon_vma->rb_root);  in unlink_anon_vmas()
391 		list_del(&avc->same_vma);  in unlink_anon_vmas()
392 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
403 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
404 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
409 		list_del(&avc->same_vma);  in unlink_anon_vmas()
410 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
1469 	struct anon_vma_chain *avc;  in rmap_walk_anon()  local
1477 	anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root, pgoff, pgoff) {  in rmap_walk_anon()
1478 		struct vm_area_struct *vma = avc->vma;  in rmap_walk_anon()