133 				struct anon_vma_chain *avc,  in anon_vma_chain_link()  argument
136 	avc->vma = vma;  in anon_vma_chain_link()
137 	avc->anon_vma = anon_vma;  in anon_vma_chain_link()
138 	list_add(&avc->same_vma, &vma->anon_vma_chain);  in anon_vma_chain_link()
139 	anon_vma_interval_tree_insert(avc, &anon_vma->rb_root);  in anon_vma_chain_link()
172 	struct anon_vma_chain *avc;  in anon_vma_prepare()  local
179 		avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_prepare()
180 		if (!avc)  in anon_vma_prepare()
197 			anon_vma_chain_link(vma, avc, anon_vma);  in anon_vma_prepare()
201 			avc = NULL;  in anon_vma_prepare()
208 		if (unlikely(avc))  in anon_vma_prepare()
209 			anon_vma_chain_free(avc);  in anon_vma_prepare()
214 	anon_vma_chain_free(avc);  in anon_vma_prepare()
259 	struct anon_vma_chain *avc, *pavc;  in anon_vma_clone()  local
265 		avc = anon_vma_chain_alloc(GFP_NOWAIT | __GFP_NOWARN);  in anon_vma_clone()
266 		if (unlikely(!avc)) {  in anon_vma_clone()
269 			avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_clone()
270 			if (!avc)  in anon_vma_clone()
275 		anon_vma_chain_link(dst, avc, anon_vma);  in anon_vma_clone()
313 	struct anon_vma_chain *avc;  in anon_vma_fork()  local
340 	avc = anon_vma_chain_alloc(GFP_KERNEL);  in anon_vma_fork()
341 	if (!avc)  in anon_vma_fork()
359 	anon_vma_chain_link(vma, avc, anon_vma);  in anon_vma_fork()
374 	struct anon_vma_chain *avc, *next;  in unlink_anon_vmas()  local
381 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
382 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
385 		anon_vma_interval_tree_remove(avc, &anon_vma->rb_root);  in unlink_anon_vmas()
396 		list_del(&avc->same_vma);  in unlink_anon_vmas()
397 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
408 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {  in unlink_anon_vmas()
409 		struct anon_vma *anon_vma = avc->anon_vma;  in unlink_anon_vmas()
414 		list_del(&avc->same_vma);  in unlink_anon_vmas()
415 		anon_vma_chain_free(avc);  in unlink_anon_vmas()
1583 	struct anon_vma_chain *avc;  in rmap_walk_anon()  local
1591 	anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root, pgoff, pgoff) {  in rmap_walk_anon()
1592 		struct vm_area_struct *vma = avc->vma;  in rmap_walk_anon()