1 // SPDX-License-Identifier: GPL-2.0
24 #define PAGE_ALIGN(size, ps) (((size) + ((ps) - 1)) & ~((ps) - 1))
26 int set_cap_limits(rlim_t max)  in set_cap_limits()  argument
31 	new.rlim_cur = max;  in set_cap_limits()
32 	new.rlim_max = max;  in set_cap_limits()
35 		return -1;  in set_cap_limits()
41 		return -2;  in set_cap_limits()
50 	int ret = -1;  in get_proc_locked_vm_size()
57 		return -1;  in get_proc_locked_vm_size()
67 				return -1;  in get_proc_locked_vm_size()
76 	return -1;  in get_proc_locked_vm_size()
136  *    return value: 0 - success
144 	struct rlimit cur;  in test_mlock_within_limit()  local
147 	getrlimit(RLIMIT_MEMLOCK, &cur);  in test_mlock_within_limit()
148 	if (cur.rlim_cur < alloc_size) {  in test_mlock_within_limit()
150 				alloc_size, (unsigned int)cur.rlim_cur);  in test_mlock_within_limit()
151 		return -1;  in test_mlock_within_limit()
157 		 * - choose mlock/mlock2 randomly  in test_mlock_within_limit()
158 		 * - choose lock_size randomly but lock_size < alloc_size  in test_mlock_within_limit()
159 		 * - choose start_offset randomly but p+start_offset+lock_size  in test_mlock_within_limit()
164 		int start_offset = rand() % (alloc_size - lock_size);  in test_mlock_within_limit()
188 		return -1;  in test_mlock_within_limit()
194 		return -1;  in test_mlock_within_limit()
213  *    return value: 0 - success
221 	struct rlimit cur;  in test_mlock_outof_limit()  local
223 	getrlimit(RLIMIT_MEMLOCK, &cur);  in test_mlock_outof_limit()
224 	if (cur.rlim_cur >= alloc_size) {  in test_mlock_outof_limit()
226 				alloc_size, (unsigned int)cur.rlim_cur);  in test_mlock_outof_limit()
227 		return -1;  in test_mlock_outof_limit()
234 		int lock_size = (rand() % (alloc_size - cur.rlim_cur))  in test_mlock_outof_limit()
235 			+ cur.rlim_cur;  in test_mlock_outof_limit()
236 		int start_offset = rand() % (alloc_size - lock_size);  in test_mlock_outof_limit()
248 			return -1;  in test_mlock_outof_limit()
257 		return -1;  in test_mlock_outof_limit()
269 		return -1;  in main()
274 		return -1;  in main()
286 		return -1;  in main()