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()
54 	if (!parent2 || !child2)  in test_memcg_subtree_control()
57 	if (cg_create(parent2))  in test_memcg_subtree_control()
60 	if (cg_create(child2))  in test_memcg_subtree_control()
63 	if (cg_read(child2, "cgroup.controllers", buf, sizeof(buf)))  in test_memcg_subtree_control()
66 	if (!cg_read_strstr(child2, "cgroup.controllers", "memory"))  in test_memcg_subtree_control()
101 	if (current < size)  in alloc_anon_50M_check()
104 	if (!values_close(size, current, 3))  in alloc_anon_50M_check()
108 	if (anon < 0)  in alloc_anon_50M_check()
111 	if (!values_close(anon, current, 3))  in alloc_anon_50M_check()
128 	if (fd < 0)  in alloc_pagecache_50M_check()
131 	if (alloc_pagecache(fd, size))  in alloc_pagecache_50M_check()
135 	if (current < size)  in alloc_pagecache_50M_check()
139 	if (file < 0)  in alloc_pagecache_50M_check()
142 	if (!values_close(file, current, 10))  in alloc_pagecache_50M_check()
164 	if (!memcg)  in test_memcg_current()
167 	if (cg_create(memcg))  in test_memcg_current()
171 	if (current != 0)  in test_memcg_current()
174 	if (cg_run(memcg, alloc_anon_50M_check, NULL))  in test_memcg_current()
177 	if (cg_run(memcg, alloc_pagecache_50M_check, NULL))  in test_memcg_current()
201 	if (alloc_pagecache(fd, MB(50)))  in alloc_pagecache_50M_noexit()
214 	if (alloc_anon(cgroup, arg))  in alloc_anon_noexit()
225  * If we exceed a timeout, fail.
232 		if (cg_read_strcmp(cgroup, "cgroup.procs", "") == 0)  in cg_test_proc_killed()
274 	if (fd < 0)  in test_memcg_min()
278 	if (!parent[0])  in test_memcg_min()
282 	if (!parent[1])  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()
317 		if (!children[i])  in test_memcg_min()
320 		if (cg_create(children[i]))  in test_memcg_min()
323 		if (i == 2)  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()
334 	if (cg_write(children[0], "memory.min", "75M"))  in test_memcg_min()
336 	if (cg_write(children[1], "memory.min", "25M"))  in test_memcg_min()
338 	if (cg_write(children[2], "memory.min", "500M"))  in test_memcg_min()
340 	if (cg_write(children[3], "memory.min", "0"))  in test_memcg_min()
346 		if (attempts++ > 5)  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()
360 	if (!values_close(c[0], MB(33), 10))  in test_memcg_min()
363 	if (!values_close(c[1], MB(17), 10))  in test_memcg_min()
366 	if (!values_close(c[2], 0, 1))  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()
379 		if (!children[i])  in test_memcg_min()
387 		if (!parent[i])  in test_memcg_min()
431 	if (fd < 0)  in test_memcg_low()
435 	if (!parent[0])  in test_memcg_low()
439 	if (!parent[1])  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()
472 		if (!children[i])  in test_memcg_low()
475 		if (cg_create(children[i]))  in test_memcg_low()
478 		if (i == 2)  in test_memcg_low()
481 		if (cg_run(children[i], alloc_pagecache_50M, (void *)(long)fd))  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()
489 	if (cg_write(children[0], "memory.low", "75M"))  in test_memcg_low()
491 	if (cg_write(children[1], "memory.low", "25M"))  in test_memcg_low()
493 	if (cg_write(children[2], "memory.low", "500M"))  in test_memcg_low()
495 	if (cg_write(children[3], "memory.low", "0"))  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()
507 	if (!values_close(c[0], MB(33), 10))  in test_memcg_low()
510 	if (!values_close(c[1], MB(17), 10))  in test_memcg_low()
513 	if (!values_close(c[2], 0, 1))  in test_memcg_low()
516 	if (cg_run(parent[2], alloc_anon, (void *)MB(166))) {  in test_memcg_low()
526 		if (oom)  in test_memcg_low()
528 		if (i < 2 && low <= 0)  in test_memcg_low()
530 		if (i >= 2 && low)  in test_memcg_low()
538 		if (!children[i])  in test_memcg_low()
546 		if (!parent[i])  in test_memcg_low()
564 	if (fd < 0)  in alloc_pagecache_max_30M()
567 	if (alloc_pagecache(fd, size))  in alloc_pagecache_max_30M()
571 	if (current <= MB(29) || current > MB(30))  in alloc_pagecache_max_30M()
594 	if (!memcg)  in test_memcg_high()
597 	if (cg_create(memcg))  in test_memcg_high()
600 	if (cg_read_strcmp(memcg, "memory.high", "max\n"))  in test_memcg_high()
603 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_high()
606 	if (cg_write(memcg, "memory.high", "30M"))  in test_memcg_high()
609 	if (cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_high()
612 	if (!cg_run(memcg, alloc_pagecache_50M_check, NULL))  in test_memcg_high()
615 	if (cg_run(memcg, alloc_pagecache_max_30M, NULL))  in test_memcg_high()
619 	if (high <= 0)  in test_memcg_high()
643 	if (!memcg)  in test_memcg_max()
646 	if (cg_create(memcg))  in test_memcg_max()
649 	if (cg_read_strcmp(memcg, "memory.max", "max\n"))  in test_memcg_max()
652 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_max()
655 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_max()
659 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_max()
662 	if (cg_run(memcg, alloc_pagecache_max_30M, NULL))  in test_memcg_max()
666 	if (current > MB(30) || !current)  in test_memcg_max()
670 	if (max <= 0)  in test_memcg_max()
695 	if (!mem_current || !values_close(mem_current, mem_max, 3))  in alloc_anon_50M_check_swap()
699 	if (!swap_current ||  in alloc_anon_50M_check_swap()
719 	if (!is_swap_enabled())  in test_memcg_swap_max()
723 	if (!memcg)  in test_memcg_swap_max()
726 	if (cg_create(memcg))  in test_memcg_swap_max()
729 	if (cg_read_long(memcg, "memory.swap.current")) {  in test_memcg_swap_max()
734 	if (cg_read_strcmp(memcg, "memory.max", "max\n"))  in test_memcg_swap_max()
737 	if (cg_read_strcmp(memcg, "memory.swap.max", "max\n"))  in test_memcg_swap_max()
740 	if (cg_write(memcg, "memory.swap.max", "30M"))  in test_memcg_swap_max()
743 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_swap_max()
747 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_swap_max()
750 	if (cg_read_key_long(memcg, "memory.events", "oom ") != 1)  in test_memcg_swap_max()
753 	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 1)  in test_memcg_swap_max()
756 	if (cg_run(memcg, alloc_anon_50M_check_swap, (void *)MB(30)))  in test_memcg_swap_max()
760 	if (max <= 0)  in test_memcg_swap_max()
783 	if (!memcg)  in test_memcg_oom_events()
786 	if (cg_create(memcg))  in test_memcg_oom_events()
789 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_oom_events()
792 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_oom_events()
795 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_oom_events()
798 	if (cg_read_strcmp(memcg, "cgroup.procs", ""))  in test_memcg_oom_events()
801 	if (cg_read_key_long(memcg, "memory.events", "oom ") != 1)  in test_memcg_oom_events()
804 	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 1)  in test_memcg_oom_events()
836 	if (sk < 0)  in tcp_server()
839 	if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0)  in tcp_server()
842 	if (bind(sk, (struct sockaddr *)&saddr, slen)) {  in tcp_server()
847 	if (listen(sk, 1))  in tcp_server()
851 	if (write(ctl_fd, &ret, sizeof(ret)) != sizeof(ret)) {  in tcp_server()
857 	if (client_sk < 0)  in tcp_server()
864 		if (write(client_sk, buf, sizeof(buf)) <= 0) {  in tcp_server()
865 			if (errno == ECONNRESET)  in tcp_server()
888 	if (ret)  in tcp_client()
892 	if (sk < 0)  in tcp_client()
896 	if (ret < 0)  in tcp_client()
904 		if (read(sk, buf, sizeof(buf)) <= 0)  in tcp_client()
910 		if (current < 0 || sock < 0)  in tcp_client()
913 		if (current < sock)  in tcp_client()
916 		if (values_close(current, sock, 10)) {  in tcp_client()
944 	if (!memcg)  in test_memcg_sock()
947 	if (cg_create(memcg))  in test_memcg_sock()
953 		if (pipe(args.ctl))  in test_memcg_sock()
959 		if (pid < 0)  in test_memcg_sock()
963 		if (read(args.ctl[0], &err, sizeof(err)) != sizeof(err))  in test_memcg_sock()
967 		if (!err)  in test_memcg_sock()
969 		if (err != EADDRINUSE)  in test_memcg_sock()
975 	if (err == EADDRINUSE) {  in test_memcg_sock()
980 	if (tcp_client(memcg, port) != KSFT_PASS)  in test_memcg_sock()
984 	if (WEXITSTATUS(err))  in test_memcg_sock()
987 	if (cg_read_long(memcg, "memory.current") < 0)  in test_memcg_sock()
990 	if (cg_read_key_long(memcg, "memory.stat", "sock "))  in test_memcg_sock()
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()
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()
1056 	if (parent)  in test_memcg_oom_group_leaf_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()
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()
1112 	if (parent)  in test_memcg_oom_group_parent_events()
1133 	if (!memcg)  in test_memcg_oom_group_score_events()
1136 	if (cg_create(memcg))  in test_memcg_oom_group_score_events()
1139 	if (cg_write(memcg, "memory.max", "50M"))  in test_memcg_oom_group_score_events()
1142 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_oom_group_score_events()
1145 	if (cg_write(memcg, "memory.oom.group", "1"))  in test_memcg_oom_group_score_events()
1149 	if (set_oom_adj_score(safe_pid, OOM_SCORE_ADJ_MIN))  in test_memcg_oom_group_score_events()
1153 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_oom_group_score_events()
1156 	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 3)  in test_memcg_oom_group_score_events()
1159 	if (kill(safe_pid, SIGKILL))  in test_memcg_oom_group_score_events()
1165 	if (memcg)  in test_memcg_oom_group_score_events()
1198 	if (cg_find_unified_root(root, sizeof(root)))  in main()
1205 	if (cg_read_strstr(root, "cgroup.controllers", "memory"))  in main()
1208 	if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))  in main()
1209 		if (cg_write(root, "cgroup.subtree_control", "+memory"))  in main()