1 // SPDX-License-Identifier: GPL-2.0
23 #define PAGE_ALIGN(size, ps) (((size) + ((ps) - 1)) & ~((ps) - 1))
25 int set_cap_limits(rlim_t max)  in set_cap_limits()  argument
30 	new.rlim_cur = max;  in set_cap_limits()
31 	new.rlim_max = max;  in set_cap_limits()
34 		return -1;  in set_cap_limits()
40 		return -2;  in set_cap_limits()
49 	int ret = -1;  in get_proc_locked_vm_size()
56 		return -1;  in get_proc_locked_vm_size()
66 				return -1;  in get_proc_locked_vm_size()
75 	return -1;  in get_proc_locked_vm_size()
135  *    return value: 0 - success
143 	struct rlimit cur;  in test_mlock_within_limit()  local
146 	getrlimit(RLIMIT_MEMLOCK, &cur);  in test_mlock_within_limit()
147 	if (cur.rlim_cur < alloc_size) {  in test_mlock_within_limit()
149 				alloc_size, (unsigned int)cur.rlim_cur);  in test_mlock_within_limit()
150 		return -1;  in test_mlock_within_limit()
156 		 * - choose mlock/mlock2 randomly  in test_mlock_within_limit()
157 		 * - choose lock_size randomly but lock_size < alloc_size  in test_mlock_within_limit()
158 		 * - choose start_offset randomly but p+start_offset+lock_size  in test_mlock_within_limit()
163 		int start_offset = rand() % (alloc_size - lock_size);  in test_mlock_within_limit()
187 		return -1;  in test_mlock_within_limit()
193 		return -1;  in test_mlock_within_limit()
212  *    return value: 0 - success
220 	struct rlimit cur;  in test_mlock_outof_limit()  local
222 	getrlimit(RLIMIT_MEMLOCK, &cur);  in test_mlock_outof_limit()
223 	if (cur.rlim_cur >= alloc_size) {  in test_mlock_outof_limit()
225 				alloc_size, (unsigned int)cur.rlim_cur);  in test_mlock_outof_limit()
226 		return -1;  in test_mlock_outof_limit()
233 		int lock_size = (rand() % (alloc_size - cur.rlim_cur))  in test_mlock_outof_limit()
234 			+ cur.rlim_cur;  in test_mlock_outof_limit()
235 		int start_offset = rand() % (alloc_size - lock_size);  in test_mlock_outof_limit()
247 			return -1;  in test_mlock_outof_limit()
256 		return -1;  in test_mlock_outof_limit()
268 		return -1;  in main()
273 		return -1;  in main()
285 		return -1;  in main()