40 	if (!parent || !child)  in test_memcg_subtree_control()
43 	if (cg_create(parent))  in test_memcg_subtree_control()
46 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))  in test_memcg_subtree_control()
49 	if (cg_create(child))  in test_memcg_subtree_control()
52 	if (cg_read_strstr(child, "cgroup.controllers", "memory"))  in test_memcg_subtree_control()
58 	if (!parent2 || !child2)  in test_memcg_subtree_control()
61 	if (cg_create(parent2))  in test_memcg_subtree_control()
64 	if (cg_create(child2))  in test_memcg_subtree_control()
67 	if (cg_read(child2, "cgroup.controllers", buf, sizeof(buf)))  in test_memcg_subtree_control()
70 	if (!cg_read_strstr(child2, "cgroup.controllers", "memory"))  in test_memcg_subtree_control()
101 	if (buf == NULL) {  in alloc_anon_50M_check()
110 	if (current < size)  in alloc_anon_50M_check()
113 	if (!values_close(size, current, 3))  in alloc_anon_50M_check()
117 	if (anon < 0)  in alloc_anon_50M_check()
120 	if (!values_close(anon, current, 3))  in alloc_anon_50M_check()
137 	if (fd < 0)  in alloc_pagecache_50M_check()
140 	if (alloc_pagecache(fd, size))  in alloc_pagecache_50M_check()
144 	if (current < size)  in alloc_pagecache_50M_check()
148 	if (file < 0)  in alloc_pagecache_50M_check()
151 	if (!values_close(file, current, 10))  in alloc_pagecache_50M_check()
176 	if (!memcg)  in test_memcg_current_peak()
179 	if (cg_create(memcg))  in test_memcg_current_peak()
183 	if (current != 0)  in test_memcg_current_peak()
187 	if (peak != 0)  in test_memcg_current_peak()
190 	if (cg_run(memcg, alloc_anon_50M_check, NULL))  in test_memcg_current_peak()
194 	if (peak < MB(50))  in test_memcg_current_peak()
204 	if (peak_fd == -1) {  in test_memcg_current_peak()
205 		if (errno == ENOENT)  in test_memcg_current_peak()
215 	if (fstat(peak_fd, &ss))  in test_memcg_current_peak()
218 	if ((ss.st_mode & S_IWUSR) == 0) {  in test_memcg_current_peak()
225 	if (peak_fd2 == -1)  in test_memcg_current_peak()
230 	if (peak_fd3 == -1)  in test_memcg_current_peak()
237 	if (peak_reset != sizeof(reset_string))  in test_memcg_current_peak()
241 	if (peak_reset != sizeof(reset_string))  in test_memcg_current_peak()
245 	if (peak_reset != sizeof(reset_string))  in test_memcg_current_peak()
250 	if (peak < MB(50))  in test_memcg_current_peak()
254 	if (close(peak_fd2))  in test_memcg_current_peak()
259 	if (peak_fd4 == -1)  in test_memcg_current_peak()
263 	if (peak_reset != sizeof(reset_string))  in test_memcg_current_peak()
267 	if (peak > MB(30) || peak < 0)  in test_memcg_current_peak()
270 	if (cg_run(memcg, alloc_pagecache_50M_check, NULL))  in test_memcg_current_peak()
274 	if (peak < MB(50))  in test_memcg_current_peak()
279 	if (peak < MB(50))  in test_memcg_current_peak()
283 	if (peak < MB(50))  in test_memcg_current_peak()
287 	if (close(peak_fd3))  in test_memcg_current_peak()
291 	if (close(peak_fd4))  in test_memcg_current_peak()
298 	if (!fd2_closed)  in test_memcg_current_peak()
300 	if (!fd3_closed)  in test_memcg_current_peak()
302 	if (!fd4_closed)  in test_memcg_current_peak()
315 	if (alloc_pagecache(fd, MB(50)))  in alloc_pagecache_50M_noexit()
331 	if (buf == NULL) {  in alloc_anon_noexit()
348  * If we exceed a timeout, fail.
355 		if (cg_read_strcmp(cgroup, "cgroup.procs", "") == 0)  in cg_test_proc_killed()
374  * (or memory.low if we test soft protection)
412 	if (fd < 0)  in test_memcg_protection()
416 	if (!parent[0])  in test_memcg_protection()
420 	if (!parent[1])  in test_memcg_protection()
424 	if (!parent[2])  in test_memcg_protection()
427 	if (cg_create(parent[0]))  in test_memcg_protection()
430 	if (cg_read_long(parent[0], attribute)) {  in test_memcg_protection()
432 		if (min)  in test_memcg_protection()
437 	if (cg_write(parent[0], "cgroup.subtree_control", "+memory"))  in test_memcg_protection()
440 	if (cg_write(parent[0], "memory.max", "200M"))  in test_memcg_protection()
443 	if (cg_write(parent[0], "memory.swap.max", "0"))  in test_memcg_protection()
446 	if (cg_create(parent[1]))  in test_memcg_protection()
449 	if (cg_write(parent[1], "cgroup.subtree_control", "+memory"))  in test_memcg_protection()
452 	if (cg_create(parent[2]))  in test_memcg_protection()
457 		if (!children[i])  in test_memcg_protection()
460 		if (cg_create(children[i]))  in test_memcg_protection()
463 		if (i > 2)  in test_memcg_protection()
470 	if (cg_write(parent[1],   attribute, "50M"))  in test_memcg_protection()
472 	if (cg_write(children[0], attribute, "75M"))  in test_memcg_protection()
474 	if (cg_write(children[1], attribute, "25M"))  in test_memcg_protection()
476 	if (cg_write(children[2], attribute, "0"))  in test_memcg_protection()
478 	if (cg_write(children[3], attribute, "500M"))  in test_memcg_protection()
484 		if (attempts++ > 5)  in test_memcg_protection()
489 	if (cg_run(parent[2], alloc_anon, (void *)MB(148)))  in test_memcg_protection()
492 	if (!values_close(cg_read_long(parent[1], "memory.current"), MB(50), 3))  in test_memcg_protection()
498 	if (!values_close(c[0], MB(29), 10))  in test_memcg_protection()
501 	if (!values_close(c[1], MB(21), 10))  in test_memcg_protection()
504 	if (c[3] != 0)  in test_memcg_protection()
508 	if (min && !rc)  in test_memcg_protection()
510 	else if (!min && rc) {  in test_memcg_protection()
517 	if (!values_close(cg_read_long(parent[1], "memory.current"), current, 3))  in test_memcg_protection()
520 	if (!reclaim_until(children[0], MB(10)))  in test_memcg_protection()
523 	if (min) {  in test_memcg_protection()
535 		if (oom)  in test_memcg_protection()
537 		if (i <= no_low_events_index && low <= 0)  in test_memcg_protection()
539 		if (i > no_low_events_index && low)  in test_memcg_protection()
548 		if (!children[i])  in test_memcg_protection()
556 		if (!parent[i])  in test_memcg_protection()
585 	if (high != MB(30) && max != MB(30))  in alloc_pagecache_max_30M()
589 	if (fd < 0)  in alloc_pagecache_max_30M()
592 	if (alloc_pagecache(fd, size))  in alloc_pagecache_max_30M()
596 	if (!values_close(current, MB(30), 5))  in alloc_pagecache_max_30M()
619 	if (!memcg)  in test_memcg_high()
622 	if (cg_create(memcg))  in test_memcg_high()
625 	if (cg_read_strcmp(memcg, "memory.high", "max\n"))  in test_memcg_high()
628 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_high()
631 	if (cg_write(memcg, "memory.high", "30M"))  in test_memcg_high()
634 	if (cg_run(memcg, alloc_anon, (void *)MB(31)))  in test_memcg_high()
637 	if (!cg_run(memcg, alloc_pagecache_50M_check, NULL))  in test_memcg_high()
640 	if (cg_run(memcg, alloc_pagecache_max_30M, NULL))  in test_memcg_high()
644 	if (high <= 0)  in test_memcg_high()
663 	if (buf == MAP_FAILED)  in alloc_anon_mlock()
683 	if (!memcg)  in test_memcg_high_sync()
686 	if (cg_create(memcg))  in test_memcg_high_sync()
691 	if (pre_high < 0 || pre_max < 0)  in test_memcg_high_sync()
694 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_high_sync()
697 	if (cg_write(memcg, "memory.high", "30M"))  in test_memcg_high_sync()
700 	if (cg_write(memcg, "memory.max", "140M"))  in test_memcg_high_sync()
704 	if (fd < 0)  in test_memcg_high_sync()
708 	if (pid < 0)  in test_memcg_high_sync()
715 	if (post_high < 0 || post_max < 0)  in test_memcg_high_sync()
718 	if (pre_high == post_high || pre_max != post_max)  in test_memcg_high_sync()
724 	if (fd >= 0)  in test_memcg_high_sync()
744 	if (!memcg)  in test_memcg_max()
747 	if (cg_create(memcg))  in test_memcg_max()
750 	if (cg_read_strcmp(memcg, "memory.max", "max\n"))  in test_memcg_max()
753 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_max()
756 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_max()
760 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_max()
763 	if (cg_run(memcg, alloc_pagecache_max_30M, NULL))  in test_memcg_max()
767 	if (current > MB(30) || !current)  in test_memcg_max()
771 	if (max <= 0)  in test_memcg_max()
787  * This function will return false if the usage is already below the
795  * false if memory.reclaim's error codes do not make sense, even if
808 		if (current < goal || values_close(current, goal, 3))  in reclaim_until()
811 		else if (reclaimed)  in reclaim_until()
817 		if (!err)  in reclaim_until()
819 		else if (err != -EAGAIN)  in reclaim_until()
827  * amount of memory (from both anon and file, if possible).
838 	if (!memcg)  in test_memcg_reclaim()
841 	if (cg_create(memcg))  in test_memcg_reclaim()
845 	if (current != 0)  in test_memcg_reclaim()
849 	if (fd < 0)  in test_memcg_reclaim()
855 	 * If swap is enabled, try to reclaim from both anon and file, else try  in test_memcg_reclaim()
858 	if (is_swap_enabled()) {  in test_memcg_reclaim()
871 		if (retries--) {  in test_memcg_reclaim()
884 	 * and file if swap is enabled.  in test_memcg_reclaim()
886 	if (!reclaim_until(memcg, MB(30)))  in test_memcg_reclaim()
907 	if (buf == NULL) {  in alloc_anon_50M_check_swap()
916 	if (!mem_current || !values_close(mem_current, mem_max, 3))  in alloc_anon_50M_check_swap()
920 	if (!swap_current ||  in alloc_anon_50M_check_swap()
946 	if (!is_swap_enabled())  in test_memcg_swap_max_peak()
950 	if (!memcg)  in test_memcg_swap_max_peak()
953 	if (cg_create(memcg))  in test_memcg_swap_max_peak()
956 	if (cg_read_long(memcg, "memory.swap.current")) {  in test_memcg_swap_max_peak()
964 	if (swap_peak_fd == -1) {  in test_memcg_swap_max_peak()
965 		if (errno == ENOENT)  in test_memcg_swap_max_peak()
975 	if (fstat(swap_peak_fd, &ss))  in test_memcg_swap_max_peak()
978 	if ((ss.st_mode & S_IWUSR) == 0) {  in test_memcg_swap_max_peak()
985 	if (mem_peak_fd == -1)  in test_memcg_swap_max_peak()
988 	if (cg_read_long(memcg, "memory.swap.peak"))  in test_memcg_swap_max_peak()
991 	if (cg_read_long_fd(swap_peak_fd))  in test_memcg_swap_max_peak()
997 	if (peak_reset != sizeof(reset_string))  in test_memcg_swap_max_peak()
1000 	if (cg_read_long_fd(swap_peak_fd))  in test_memcg_swap_max_peak()
1003 	if (cg_read_long(memcg, "memory.peak"))  in test_memcg_swap_max_peak()
1006 	if (cg_read_long_fd(mem_peak_fd))  in test_memcg_swap_max_peak()
1010 	if (peak_reset != sizeof(reset_string))  in test_memcg_swap_max_peak()
1013 	if (cg_read_long_fd(mem_peak_fd))  in test_memcg_swap_max_peak()
1016 	if (cg_read_strcmp(memcg, "memory.max", "max\n"))  in test_memcg_swap_max_peak()
1019 	if (cg_read_strcmp(memcg, "memory.swap.max", "max\n"))  in test_memcg_swap_max_peak()
1022 	if (cg_write(memcg, "memory.swap.max", "30M"))  in test_memcg_swap_max_peak()
1025 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_swap_max_peak()
1029 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_swap_max_peak()
1032 	if (cg_read_key_long(memcg, "memory.events", "oom ") != 1)  in test_memcg_swap_max_peak()
1035 	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 1)  in test_memcg_swap_max_peak()
1039 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1043 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1047 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1051 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1059 	if (peak_reset)  in test_memcg_swap_max_peak()
1063 	if (peak_reset)  in test_memcg_swap_max_peak()
1068 	if (peak_reset != sizeof(reset_string))  in test_memcg_swap_max_peak()
1072 	if (peak_reset != sizeof(reset_string))  in test_memcg_swap_max_peak()
1076 	if (peak > MB(10))  in test_memcg_swap_max_peak()
1084 	if (peak > MB(1))  in test_memcg_swap_max_peak()
1087 	if (cg_read_long(memcg, "memory.peak") < MB(29))  in test_memcg_swap_max_peak()
1090 	if (cg_read_long(memcg, "memory.swap.peak") < MB(29))  in test_memcg_swap_max_peak()
1093 	if (cg_run(memcg, alloc_anon_50M_check_swap, (void *)MB(30)))  in test_memcg_swap_max_peak()
1097 	if (max <= 0)  in test_memcg_swap_max_peak()
1101 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1105 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1109 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1113 	if (peak < MB(19))  in test_memcg_swap_max_peak()
1119 	if (mem_peak_fd != -1 && close(mem_peak_fd))  in test_memcg_swap_max_peak()
1121 	if (swap_peak_fd != -1 && close(swap_peak_fd))  in test_memcg_swap_max_peak()
1140 	if (!memcg)  in test_memcg_oom_events()
1143 	if (cg_create(memcg))  in test_memcg_oom_events()
1146 	if (cg_write(memcg, "memory.max", "30M"))  in test_memcg_oom_events()
1149 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_oom_events()
1152 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_oom_events()
1155 	if (cg_read_strcmp(memcg, "cgroup.procs", ""))  in test_memcg_oom_events()
1158 	if (cg_read_key_long(memcg, "memory.events", "oom ") != 1)  in test_memcg_oom_events()
1161 	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 1)  in test_memcg_oom_events()
1193 	if (sk < 0)  in tcp_server()
1196 	if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0)  in tcp_server()
1199 	if (bind(sk, (struct sockaddr *)&saddr, slen)) {  in tcp_server()
1204 	if (listen(sk, 1))  in tcp_server()
1208 	if (write(ctl_fd, &ret, sizeof(ret)) != sizeof(ret)) {  in tcp_server()
1214 	if (client_sk < 0)  in tcp_server()
1221 		if (write(client_sk, buf, sizeof(buf)) <= 0) {  in tcp_server()
1222 			if (errno == ECONNRESET)  in tcp_server()
1247 	if (ret)  in tcp_client()
1251 	if (sk < 0)  in tcp_client()
1255 	if (ret < 0)  in tcp_client()
1263 		if (read(sk, buf, sizeof(buf)) <= 0)  in tcp_client()
1269 		if (current < 0 || sock < 0)  in tcp_client()
1273 		if (values_close(current - allocated, sock, 10)) {  in tcp_client()
1301 	if (!memcg)  in test_memcg_sock()
1304 	if (cg_create(memcg))  in test_memcg_sock()
1310 		if (pipe(args.ctl))  in test_memcg_sock()
1316 		if (pid < 0)  in test_memcg_sock()
1320 		if (read(args.ctl[0], &err, sizeof(err)) != sizeof(err))  in test_memcg_sock()
1324 		if (!err)  in test_memcg_sock()
1326 		if (err != EADDRINUSE)  in test_memcg_sock()
1332 	if (err == EADDRINUSE) {  in test_memcg_sock()
1337 	if (tcp_client(memcg, port) != KSFT_PASS)  in test_memcg_sock()
1341 	if (WEXITSTATUS(err))  in test_memcg_sock()
1344 	if (cg_read_long(memcg, "memory.current") < 0)  in test_memcg_sock()
1347 	if (cg_read_key_long(memcg, "memory.stat", "sock "))  in test_memcg_sock()
1374 	if (!parent || !child)  in test_memcg_oom_group_leaf_events()
1377 	if (cg_create(parent))  in test_memcg_oom_group_leaf_events()
1380 	if (cg_create(child))  in test_memcg_oom_group_leaf_events()
1383 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))  in test_memcg_oom_group_leaf_events()
1386 	if (cg_write(child, "memory.max", "50M"))  in test_memcg_oom_group_leaf_events()
1389 	if (cg_write(child, "memory.swap.max", "0"))  in test_memcg_oom_group_leaf_events()
1392 	if (cg_write(child, "memory.oom.group", "1"))  in test_memcg_oom_group_leaf_events()
1398 	if (!cg_run(child, alloc_anon, (void *)MB(100)))  in test_memcg_oom_group_leaf_events()
1401 	if (cg_test_proc_killed(child))  in test_memcg_oom_group_leaf_events()
1404 	if (cg_read_key_long(child, "memory.events", "oom_kill ") <= 0)  in test_memcg_oom_group_leaf_events()
1410 	 * If memory_localevents is not enabled (the default), the parent should  in test_memcg_oom_group_leaf_events()
1414 	if (has_localevents && parent_oom_events != 0)  in test_memcg_oom_group_leaf_events()
1416 	else if (!has_localevents && parent_oom_events <= 0)  in test_memcg_oom_group_leaf_events()
1422 	if (child)  in test_memcg_oom_group_leaf_events()
1424 	if (parent)  in test_memcg_oom_group_leaf_events()
1445 	if (!parent || !child)  in test_memcg_oom_group_parent_events()
1448 	if (cg_create(parent))  in test_memcg_oom_group_parent_events()
1451 	if (cg_create(child))  in test_memcg_oom_group_parent_events()
1454 	if (cg_write(parent, "memory.max", "80M"))  in test_memcg_oom_group_parent_events()
1457 	if (cg_write(parent, "memory.swap.max", "0"))  in test_memcg_oom_group_parent_events()
1460 	if (cg_write(parent, "memory.oom.group", "1"))  in test_memcg_oom_group_parent_events()
1467 	if (!cg_run(child, alloc_anon, (void *)MB(100)))  in test_memcg_oom_group_parent_events()
1470 	if (cg_test_proc_killed(child))  in test_memcg_oom_group_parent_events()
1472 	if (cg_test_proc_killed(parent))  in test_memcg_oom_group_parent_events()
1478 	if (child)  in test_memcg_oom_group_parent_events()
1480 	if (parent)  in test_memcg_oom_group_parent_events()
1501 	if (!memcg)  in test_memcg_oom_group_score_events()
1504 	if (cg_create(memcg))  in test_memcg_oom_group_score_events()
1507 	if (cg_write(memcg, "memory.max", "50M"))  in test_memcg_oom_group_score_events()
1510 	if (cg_write(memcg, "memory.swap.max", "0"))  in test_memcg_oom_group_score_events()
1513 	if (cg_write(memcg, "memory.oom.group", "1"))  in test_memcg_oom_group_score_events()
1517 	if (set_oom_adj_score(safe_pid, OOM_SCORE_ADJ_MIN))  in test_memcg_oom_group_score_events()
1521 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))  in test_memcg_oom_group_score_events()
1524 	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 3)  in test_memcg_oom_group_score_events()
1527 	if (kill(safe_pid, SIGKILL))  in test_memcg_oom_group_score_events()
1533 	if (memcg)  in test_memcg_oom_group_score_events()
1567 	if (cg_find_unified_root(root, sizeof(root), NULL))  in main()
1574 	if (cg_read_strstr(root, "cgroup.controllers", "memory"))  in main()
1577 	if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))  in main()
1578 		if (cg_write(root, "cgroup.subtree_control", "+memory"))  in main()
1582 	if (proc_status < 0)  in main()
1587 	if (proc_status < 0)  in main()