1 /* SPDX-License-Identifier: GPL-2.0 */
98 	int ret = -1;  in alloc_anon_50M_check()
103 		return -1;  in alloc_anon_50M_check()
132 	int ret = -1;  in alloc_pagecache_50M_check()
138 		return -1;  in alloc_pagecache_50M_check()
204 		return -1;  in alloc_pagecache_50M_noexit()
221 		return -1;  in alloc_anon_noexit()
242 	for (limit = 10; limit > 0; limit--) {  in cg_test_proc_killed()
248 	return -1;  in cg_test_proc_killed()
255  * A       memory.min = 0,    memory.max = 200M
328 	if (cg_write(parent[0], "memory.max", "200M"))  in test_memcg_protection()
331 	if (cg_write(parent[0], "memory.swap.max", "0"))  in test_memcg_protection()
435 	for (i = ARRAY_SIZE(children) - 1; i >= 0; i--) {  in test_memcg_protection()
443 	for (i = ARRAY_SIZE(parent) - 1; i >= 0; i--) {  in test_memcg_protection()
467 	int ret = -1;  in alloc_pagecache_max_30M()
468 	long current, high, max;  in alloc_pagecache_max_30M()  local
472 	max = cg_read_long(cgroup, "memory.max");  in alloc_pagecache_max_30M()
473 	if (high != MB(30) && max != MB(30))  in alloc_pagecache_max_30M()
474 		return -1;  in alloc_pagecache_max_30M()
478 		return -1;  in alloc_pagecache_max_30M()
513 	if (cg_read_strcmp(memcg, "memory.high", "max\n"))  in test_memcg_high()
516 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_high()
552 		return -1;  in alloc_anon_mlock()
565 	int ret = KSFT_FAIL, pid, fd = -1;  in test_memcg_high_sync()
578 	pre_max = cg_read_key_long(memcg, "memory.events", "max ");  in test_memcg_high_sync()
582 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_high_sync()
588 	if (cg_write(memcg, "memory.max", "140M"))  in test_memcg_high_sync()
602 	post_max = cg_read_key_long(memcg, "memory.events", "max ");  in test_memcg_high_sync()
621  * This test checks that memory.max limits the amount of
629 	long current, max;  in test_memcg_max()  local
638 	if (cg_read_strcmp(memcg, "memory.max", "max\n"))  in test_memcg_max()
641 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_max()
644 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_max()
658 	max = cg_read_key_long(memcg, "memory.events", "max ");  in test_memcg_max()
659 	if (max <= 0)  in test_memcg_max()
689 	int retries, err;  in reclaim_until()  local
693 	for (retries = 5; retries > 0; retries--) {  in reclaim_until()
702 		to_reclaim = current - goal;  in reclaim_until()
707 		else if (err != -EAGAIN)  in reclaim_until()
719 	int ret = KSFT_FAIL, fd, retries;  in test_memcg_reclaim()  local
752 	 * retries).  in test_memcg_reclaim()
754 	retries = 5;  in test_memcg_reclaim()
757 		if (retries--) {  in test_memcg_reclaim()
790 	int ret = -1;  in alloc_anon_50M_check_swap()
795 		return -1;  in alloc_anon_50M_check_swap()
817  * This test checks that memory.swap.max limits the amount of
824 	long max;  in test_memcg_swap_max()  local
841 	if (cg_read_strcmp(memcg, "memory.max", "max\n"))  in test_memcg_swap_max()
844 	if (cg_read_strcmp(memcg, "memory.swap.max", "max\n"))  in test_memcg_swap_max()
847 	if (cg_write(memcg, "memory.swap.max", "30M"))  in test_memcg_swap_max()
850 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_swap_max()
866 	max = cg_read_key_long(memcg, "memory.events", "max ");  in test_memcg_swap_max()
867 	if (max <= 0)  in test_memcg_swap_max()
896 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_oom_events()
899 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_oom_events()
933 	int sk, client_sk, ctl_fd, yes = 1, ret = -1;  in tcp_server()
935 	close(srv_args->ctl[0]);  in tcp_server()
936 	ctl_fd = srv_args->ctl[1];  in tcp_server()
940 	saddr.sin6_port = htons(srv_args->port);  in tcp_server()
959 		ret = -1;  in tcp_server()
967 	ret = -1;  in tcp_server()
990 	int retries = 0x10; /* nice round number */  in tcp_client()  local
1000 	sk = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);  in tcp_client()
1004 	ret = connect(sk, ai->ai_addr, ai->ai_addrlen);  in tcp_client()
1009 	while (retries--) {  in tcp_client()
1023 		if (values_close(current - allocated, sock, 10)) {  in tcp_client()
1057 	while (bind_retries--) {  in test_memcg_sock()
1136 	if (cg_write(child, "memory.max", "50M"))  in test_memcg_oom_group_leaf_events()
1139 	if (cg_write(child, "memory.swap.max", "0"))  in test_memcg_oom_group_leaf_events()
1204 	if (cg_write(parent, "memory.max", "80M"))  in test_memcg_oom_group_parent_events()
1207 	if (cg_write(parent, "memory.swap.max", "0"))  in test_memcg_oom_group_parent_events()
1257 	if (cg_write(memcg, "memory.max", "50M"))  in test_memcg_oom_group_score_events()
1260 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_oom_group_score_events()