21  *	/proc/${pid}/maps
22  *	/proc/${pid}/numa_maps
23  *	/proc/${pid}/smaps
24  *	/proc/${pid}/smaps_rollup
138 	pid_t pid;  in vsyscall()  local
141 	pid = fork();  in vsyscall()
142 	if (pid < 0) {  in vsyscall()
146 	if (pid == 0) {  in vsyscall()
171 	waitpid(pid, &wstatus, 0);  in vsyscall()
181 static int test_proc_pid_maps(pid_t pid)  in test_proc_pid_maps()  argument
184 	snprintf(buf, sizeof(buf), "/proc/%u/maps", pid);  in test_proc_pid_maps()
187 		perror("open /proc/${pid}/maps");  in test_proc_pid_maps()
203 static int test_proc_pid_numa_maps(pid_t pid)  in test_proc_pid_numa_maps()  argument
206 	snprintf(buf, sizeof(buf), "/proc/%u/numa_maps", pid);  in test_proc_pid_numa_maps()
211 			 * /proc/${pid}/numa_maps is under CONFIG_NUMA,  in test_proc_pid_numa_maps()
216 		perror("open /proc/${pid}/numa_maps");  in test_proc_pid_numa_maps()
226 static int test_proc_pid_smaps(pid_t pid)  in test_proc_pid_smaps()  argument
229 	snprintf(buf, sizeof(buf), "/proc/%u/smaps", pid);  in test_proc_pid_smaps()
234 			 * /proc/${pid}/smaps is under CONFIG_PROC_PAGE_MONITOR,  in test_proc_pid_smaps()
239 		perror("open /proc/${pid}/smaps");  in test_proc_pid_smaps()
282 static int test_proc_pid_smaps_rollup(pid_t pid)  in test_proc_pid_smaps_rollup()  argument
285 	snprintf(buf, sizeof(buf), "/proc/%u/smaps_rollup", pid);  in test_proc_pid_smaps_rollup()
290 			 * /proc/${pid}/smaps_rollup is under CONFIG_PROC_PAGE_MONITOR,  in test_proc_pid_smaps_rollup()
295 		perror("open /proc/${pid}/smaps_rollup");  in test_proc_pid_smaps_rollup()
331 	pid_t pid = fork();  in main()  local
332 	if (pid == -1) {  in main()
335 	} else if (pid == 0) {  in main()
381 			rv = test_proc_pid_maps(pid);  in main()
384 			rv = test_proc_pid_numa_maps(pid);  in main()
387 			rv = test_proc_pid_smaps(pid);  in main()
390 			rv = test_proc_pid_smaps_rollup(pid);  in main()
393 		 * TODO test /proc/${pid}/statm, task_statm()  in main()
400 		waitpid(pid, &wstatus, 0);  in main()