164  * and checks memory.current, memory.peak, and some memory.stat values.
169 	long current, peak, peak_reset;  in test_memcg_current_peak()  local
186 	peak = cg_read_long(memcg, "memory.peak");  in test_memcg_current_peak()
187 	if (peak != 0)  in test_memcg_current_peak()
193 	peak = cg_read_long(memcg, "memory.peak");  in test_memcg_current_peak()
194 	if (peak < MB(50))  in test_memcg_current_peak()
198 	 * We'll open a few FDs for the same memory.peak file to exercise the free-path  in test_memcg_current_peak()
202 	peak_fd = cg_open(memcg, "memory.peak", O_RDWR | O_APPEND | O_CLOEXEC);  in test_memcg_current_peak()
211 	 * Before we try to use memory.peak's fd, try to figure out whether  in test_memcg_current_peak()
223 	peak_fd2 = cg_open(memcg, "memory.peak", O_RDWR | O_APPEND | O_CLOEXEC);  in test_memcg_current_peak()
228 	peak_fd3 = cg_open(memcg, "memory.peak", O_RDWR | O_APPEND | O_CLOEXEC);  in test_memcg_current_peak()
249 	peak = cg_read_long(memcg, "memory.peak");  in test_memcg_current_peak()
250 	if (peak < MB(50))  in test_memcg_current_peak()
257 	peak_fd4 = cg_open(memcg, "memory.peak", O_RDWR | O_APPEND | O_CLOEXEC);  in test_memcg_current_peak()
266 	peak = cg_read_long_fd(peak_fd);  in test_memcg_current_peak()
267 	if (peak > MB(30) || peak < 0)  in test_memcg_current_peak()
273 	peak = cg_read_long(memcg, "memory.peak");  in test_memcg_current_peak()
274 	if (peak < MB(50))  in test_memcg_current_peak()
278 	peak = cg_read_long_fd(peak_fd);  in test_memcg_current_peak()
279 	if (peak < MB(50))  in test_memcg_current_peak()
282 	peak = cg_read_long_fd(peak_fd4);  in test_memcg_current_peak()
283 	if (peak < MB(50))  in test_memcg_current_peak()
933  * memory.swap.peak reflects the high watermark and can be reset.
939 	long max, peak;  in test_memcg_swap_max_peak()  local
961 	swap_peak_fd = cg_open(memcg, "memory.swap.peak",  in test_memcg_swap_max_peak()
971 	 * Before we try to use memory.swap.peak's fd, try to figure out  in test_memcg_swap_max_peak()
983 	mem_peak_fd = cg_open(memcg, "memory.peak", O_RDWR | O_APPEND | O_CLOEXEC);  in test_memcg_swap_max_peak()
988 	if (cg_read_long(memcg, "memory.swap.peak"))  in test_memcg_swap_max_peak()
994 	/* switch the swap and mem fds into local-peak tracking mode*/  in test_memcg_swap_max_peak()
1003 	if (cg_read_long(memcg, "memory.peak"))  in test_memcg_swap_max_peak()
1038 	peak = cg_read_long(memcg, "memory.peak");  in test_memcg_swap_max_peak()
1039 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1042 	peak = cg_read_long(memcg, "memory.swap.peak");  in test_memcg_swap_max_peak()
1043 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1046 	peak = cg_read_long_fd(mem_peak_fd);  in test_memcg_swap_max_peak()
1047 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1050 	peak = cg_read_long_fd(swap_peak_fd);  in test_memcg_swap_max_peak()
1051 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1055 	 * open, reset and close the peak swap on another FD to make sure  in test_memcg_swap_max_peak()
1058 	peak_reset = cg_write(memcg, "memory.swap.peak", (char *)reset_string);  in test_memcg_swap_max_peak()
1062 	peak_reset = cg_write(memcg, "memory.peak", (char *)reset_string);  in test_memcg_swap_max_peak()
1075 	peak = cg_read_long_fd(swap_peak_fd);  in test_memcg_swap_max_peak()
1076 	if (peak > MB(10))  in test_memcg_swap_max_peak()
1083 	peak = cg_read_long_fd(mem_peak_fd);  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()
1100 	peak = cg_read_long(memcg, "memory.peak");  in test_memcg_swap_max_peak()
1101 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1104 	peak = cg_read_long(memcg, "memory.swap.peak");  in test_memcg_swap_max_peak()
1105 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1108 	peak = cg_read_long_fd(mem_peak_fd);  in test_memcg_swap_max_peak()
1109 	if (peak < MB(29))  in test_memcg_swap_max_peak()
1112 	peak = cg_read_long_fd(swap_peak_fd);  in test_memcg_swap_max_peak()
1113 	if (peak < MB(19))  in test_memcg_swap_max_peak()