1 /* SPDX-License-Identifier: GPL-2.0 */
29 	char *parent, *child, *parent2 = NULL, *child2 = NULL;  in test_memcg_subtree_control()  local
34 	parent = cg_name(root, "memcg_test_0");  in test_memcg_subtree_control()
35 	child = cg_name(root, "memcg_test_0/memcg_test_1");  in test_memcg_subtree_control()
36 	if (!parent || !child)  in test_memcg_subtree_control()
39 	if (cg_create(parent))  in test_memcg_subtree_control()
42 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))  in test_memcg_subtree_control()
45 	if (cg_create(child))  in test_memcg_subtree_control()
48 	if (cg_read_strstr(child, "cgroup.controllers", "memory"))  in test_memcg_subtree_control()
79 	cg_destroy(child);  in test_memcg_subtree_control()
81 	cg_destroy(parent);  in test_memcg_subtree_control()
83 	free(parent);  in test_memcg_subtree_control()
84 	free(child);  in test_memcg_subtree_control()
94 	int ret = -1;  in alloc_anon_50M_check()
123 	int ret = -1;  in alloc_pagecache_50M_check()
129 		return -1;  in alloc_pagecache_50M_check()
202 		return -1;  in alloc_pagecache_50M_noexit()
215 		return -1;  in alloc_anon_noexit()
231 	for (limit = 10; limit > 0; limit--) {  in cg_test_proc_killed()
237 	return -1;  in cg_test_proc_killed()
267 	char *parent[3] = {NULL};  in test_memcg_min()  local
277 	parent[0] = cg_name(root, "memcg_test_0");  in test_memcg_min()
278 	if (!parent[0])  in test_memcg_min()
281 	parent[1] = cg_name(parent[0], "memcg_test_1");  in test_memcg_min()
282 	if (!parent[1])  in test_memcg_min()
285 	parent[2] = cg_name(parent[0], "memcg_test_2");  in test_memcg_min()
286 	if (!parent[2])  in test_memcg_min()
289 	if (cg_create(parent[0]))  in test_memcg_min()
292 	if (cg_read_long(parent[0], "memory.min")) {  in test_memcg_min()
297 	if (cg_write(parent[0], "cgroup.subtree_control", "+memory"))  in test_memcg_min()
300 	if (cg_write(parent[0], "memory.max", "200M"))  in test_memcg_min()
303 	if (cg_write(parent[0], "memory.swap.max", "0"))  in test_memcg_min()
306 	if (cg_create(parent[1]))  in test_memcg_min()
309 	if (cg_write(parent[1], "cgroup.subtree_control", "+memory"))  in test_memcg_min()
312 	if (cg_create(parent[2]))  in test_memcg_min()
316 		children[i] = cg_name_indexed(parent[1], "child_memcg", i);  in test_memcg_min()
330 	if (cg_write(parent[0], "memory.min", "50M"))  in test_memcg_min()
332 	if (cg_write(parent[1], "memory.min", "50M"))  in test_memcg_min()
344 	while (!values_close(cg_read_long(parent[1], "memory.current"),  in test_memcg_min()
351 	if (cg_run(parent[2], alloc_anon, (void *)MB(148)))  in test_memcg_min()
354 	if (!values_close(cg_read_long(parent[1], "memory.current"), MB(50), 3))  in test_memcg_min()
369 	if (!cg_run(parent[2], alloc_anon, (void *)MB(170)))  in test_memcg_min()
372 	if (!values_close(cg_read_long(parent[1], "memory.current"), MB(50), 3))  in test_memcg_min()
378 	for (i = ARRAY_SIZE(children) - 1; i >= 0; i--) {  in test_memcg_min()
386 	for (i = ARRAY_SIZE(parent) - 1; i >= 0; i--) {  in test_memcg_min()
387 		if (!parent[i])  in test_memcg_min()
390 		cg_destroy(parent[i]);  in test_memcg_min()
391 		free(parent[i]);  in test_memcg_min()
423 	char *parent[3] = {NULL};  in test_memcg_low()  local
434 	parent[0] = cg_name(root, "memcg_test_0");  in test_memcg_low()
435 	if (!parent[0])  in test_memcg_low()
438 	parent[1] = cg_name(parent[0], "memcg_test_1");  in test_memcg_low()
439 	if (!parent[1])  in test_memcg_low()
442 	parent[2] = cg_name(parent[0], "memcg_test_2");  in test_memcg_low()
443 	if (!parent[2])  in test_memcg_low()
446 	if (cg_create(parent[0]))  in test_memcg_low()
449 	if (cg_read_long(parent[0], "memory.low"))  in test_memcg_low()
452 	if (cg_write(parent[0], "cgroup.subtree_control", "+memory"))  in test_memcg_low()
455 	if (cg_write(parent[0], "memory.max", "200M"))  in test_memcg_low()
458 	if (cg_write(parent[0], "memory.swap.max", "0"))  in test_memcg_low()
461 	if (cg_create(parent[1]))  in test_memcg_low()
464 	if (cg_write(parent[1], "cgroup.subtree_control", "+memory"))  in test_memcg_low()
467 	if (cg_create(parent[2]))  in test_memcg_low()
471 		children[i] = cg_name_indexed(parent[1], "child_memcg", i);  in test_memcg_low()
485 	if (cg_write(parent[0], "memory.low", "50M"))  in test_memcg_low()
487 	if (cg_write(parent[1], "memory.low", "50M"))  in test_memcg_low()
498 	if (cg_run(parent[2], alloc_anon, (void *)MB(148)))  in test_memcg_low()
501 	if (!values_close(cg_read_long(parent[1], "memory.current"), MB(50), 3))  in test_memcg_low()
516 	if (cg_run(parent[2], alloc_anon, (void *)MB(166))) {  in test_memcg_low()
537 	for (i = ARRAY_SIZE(children) - 1; i >= 0; i--) {  in test_memcg_low()
545 	for (i = ARRAY_SIZE(parent) - 1; i >= 0; i--) {  in test_memcg_low()
546 		if (!parent[i])  in test_memcg_low()
549 		cg_destroy(parent[i]);  in test_memcg_low()
550 		free(parent[i]);  in test_memcg_low()
559 	int ret = -1;  in alloc_pagecache_max_30M()
565 		return -1;  in alloc_pagecache_max_30M()
688 	int ret = -1;  in alloc_anon_50M_check_swap()
826 	int sk, client_sk, ctl_fd, yes = 1, ret = -1;  in tcp_server()
828 	close(srv_args->ctl[0]);  in tcp_server()
829 	ctl_fd = srv_args->ctl[1];  in tcp_server()
833 	saddr.sin6_port = htons(srv_args->port);  in tcp_server()
852 		ret = -1;  in tcp_server()
860 	ret = -1;  in tcp_server()
891 	sk = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);  in tcp_client()
895 	ret = connect(sk, ai->ai_addr, ai->ai_addrlen);  in tcp_client()
900 	while (retries--) {  in tcp_client()
950 	while (bind_retries--) {  in test_memcg_sock()
1005  * processes in the leaf (but not the parent) were killed.
1010 	char *parent, *child;  in test_memcg_oom_group_leaf_events()  local
1012 	parent = cg_name(root, "memcg_test_0");  in test_memcg_oom_group_leaf_events()
1013 	child = cg_name(root, "memcg_test_0/memcg_test_1");  in test_memcg_oom_group_leaf_events()
1015 	if (!parent || !child)  in test_memcg_oom_group_leaf_events()
1018 	if (cg_create(parent))  in test_memcg_oom_group_leaf_events()
1021 	if (cg_create(child))  in test_memcg_oom_group_leaf_events()
1024 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))  in test_memcg_oom_group_leaf_events()
1027 	if (cg_write(child, "memory.max", "50M"))  in test_memcg_oom_group_leaf_events()
1030 	if (cg_write(child, "memory.swap.max", "0"))  in test_memcg_oom_group_leaf_events()
1033 	if (cg_write(child, "memory.oom.group", "1"))  in test_memcg_oom_group_leaf_events()
1036 	cg_run_nowait(parent, alloc_anon_noexit, (void *) MB(60));  in test_memcg_oom_group_leaf_events()
1037 	cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));  in test_memcg_oom_group_leaf_events()
1038 	cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));  in test_memcg_oom_group_leaf_events()
1039 	if (!cg_run(child, alloc_anon, (void *)MB(100)))  in test_memcg_oom_group_leaf_events()
1042 	if (cg_test_proc_killed(child))  in test_memcg_oom_group_leaf_events()
1045 	if (cg_read_key_long(child, "memory.events", "oom_kill ") <= 0)  in test_memcg_oom_group_leaf_events()
1048 	if (cg_read_key_long(parent, "memory.events", "oom_kill ") != 0)  in test_memcg_oom_group_leaf_events()
1054 	if (child)  in test_memcg_oom_group_leaf_events()
1055 		cg_destroy(child);  in test_memcg_oom_group_leaf_events()
1056 	if (parent)  in test_memcg_oom_group_leaf_events()
1057 		cg_destroy(parent);  in test_memcg_oom_group_leaf_events()
1058 	free(child);  in test_memcg_oom_group_leaf_events()
1059 	free(parent);  in test_memcg_oom_group_leaf_events()
1067  * processes in the parent and leaf were killed.
1072 	char *parent, *child;  in test_memcg_oom_group_parent_events()  local
1074 	parent = cg_name(root, "memcg_test_0");  in test_memcg_oom_group_parent_events()
1075 	child = cg_name(root, "memcg_test_0/memcg_test_1");  in test_memcg_oom_group_parent_events()
1077 	if (!parent || !child)  in test_memcg_oom_group_parent_events()
1080 	if (cg_create(parent))  in test_memcg_oom_group_parent_events()
1083 	if (cg_create(child))  in test_memcg_oom_group_parent_events()
1086 	if (cg_write(parent, "memory.max", "80M"))  in test_memcg_oom_group_parent_events()
1089 	if (cg_write(parent, "memory.swap.max", "0"))  in test_memcg_oom_group_parent_events()
1092 	if (cg_write(parent, "memory.oom.group", "1"))  in test_memcg_oom_group_parent_events()
1095 	cg_run_nowait(parent, alloc_anon_noexit, (void *) MB(60));  in test_memcg_oom_group_parent_events()
1096 	cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));  in test_memcg_oom_group_parent_events()
1097 	cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));  in test_memcg_oom_group_parent_events()
1099 	if (!cg_run(child, alloc_anon, (void *)MB(100)))  in test_memcg_oom_group_parent_events()
1102 	if (cg_test_proc_killed(child))  in test_memcg_oom_group_parent_events()
1104 	if (cg_test_proc_killed(parent))  in test_memcg_oom_group_parent_events()
1110 	if (child)  in test_memcg_oom_group_parent_events()
1111 		cg_destroy(child);  in test_memcg_oom_group_parent_events()
1112 	if (parent)  in test_memcg_oom_group_parent_events()
1113 		cg_destroy(parent);  in test_memcg_oom_group_parent_events()
1114 	free(child);  in test_memcg_oom_group_parent_events()
1115 	free(parent);  in test_memcg_oom_group_parent_events()