linux-master/mm/rmap.c

151 				struct anon_vma_chain *avc,
154 	avc->vma = vma;
155 	avc->anon_vma = anon_vma;
156 	list_add(&avc->same_vma, &vma->anon_vma_chain);
157 	anon_vma_interval_tree_insert(avc, &anon_vma->rb_root);
192 	struct anon_vma_chain *avc;
196 	avc = anon_vma_chain_alloc(GFP_KERNEL);
197 	if (!avc)
215 		anon_vma_chain_link(vma, avc, anon_vma);
218 		avc = NULL;
225 	if (unlikely(avc))
226 		anon_vma_chain_free(avc);
231 	anon_vma_chain_free(avc);
283 	struct anon_vma_chain *avc, *pavc;
289 		avc = anon_vma_chain_alloc(GFP_NOWAIT | __GFP_NOWARN);
290 		if (unlikely(!avc)) {
293 			avc = anon_vma_chain_alloc(GFP_KERNEL);
294 			if (!avc)
299 		anon_vma_chain_link(dst, avc, anon_vma);
337 	struct anon_vma_chain *avc;
365 	avc = anon_vma_chain_alloc(GFP_KERNEL);
366 	if (!avc)
384 	anon_vma_chain_link(vma, avc, anon_vma);
399 	struct anon_vma_chain *avc, *next;
406 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
407 		struct anon_vma *anon_vma = avc->anon_vma;
410 		anon_vma_interval_tree_remove(avc, &anon_vma->rb_root);
421 		list_del(&avc->same_vma);
422 		anon_vma_chain_free(avc);
440 	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
441 		struct anon_vma *anon_vma = avc->anon_vma;
447 		list_del(&avc->same_vma);
448 		anon_vma_chain_free(avc);
2574 	struct anon_vma_chain *avc;
2588 	anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root,
2590 		struct vm_area_struct *vma = avc->vma;