139 				struct anon_vma_chain *avc,  in anon_vma_chain_link()  argument
142 	avc->vma = vma;  in anon_vma_chain_link()
143 	avc->anon_vma = anon_vma;  in anon_vma_chain_link()
144 	list_add(&avc->same_vma, &vma->anon_vma_chain);  in anon_vma_chain_link()
145 	anon_vma_interval_tree_insert(avc, &anon_vma->rb_root);  in anon_vma_chain_link()
180 	struct anon_vma_chain *avc;  in __anon_vma_prepare()  local
184 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in __anon_vma_prepare()
185 	if (!avc)  in __anon_vma_prepare()
202 		anon_vma_chain_link(vma, avc, anon_vma);  in __anon_vma_prepare()
206 		avc = NULL;  in __anon_vma_prepare()
213 	if (unlikely(avc))  in __anon_vma_prepare()
214 		anon_vma_chain_free(avc);  in __anon_vma_prepare()
219 	anon_vma_chain_free(avc);  in __anon_vma_prepare()
264 	struct anon_vma_chain *avc, *pavc;  in anon_vma_clone()  local
270 		avc = anon_vma_chain_alloc(GFP_NOWAIT | __GFP_NOWARN);  in anon_vma_clone()
271 		if (unlikely(!avc)) {  in anon_vma_clone()
274 			avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_clone()
275 			if (!avc)  in anon_vma_clone()
280 		anon_vma_chain_link(dst, avc, anon_vma);  in anon_vma_clone()
318 	struct anon_vma_chain *avc;  in anon_vma_fork()  local
345 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_fork()
346 	if (!avc)  in anon_vma_fork()
364 	anon_vma_chain_link(vma, avc, anon_vma);  in anon_vma_fork()
379 	struct anon_vma_chain *avc, *next;  in unlink_anon_vmas()  local
386 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
387 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
390 		anon_vma_interval_tree_remove(avc, &anon_vma->rb_root);  in unlink_anon_vmas()
401 		list_del(&avc->same_vma);  in unlink_anon_vmas()
402 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
413 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
414 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
419 		list_del(&avc->same_vma);  in unlink_anon_vmas()
420 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
1817 	struct anon_vma_chain *avc;  in rmap_walk_anon()  local
1831 	anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root,  in rmap_walk_anon()
1833 		struct vm_area_struct *vma = avc->vma;  in rmap_walk_anon()