27 #define FAIL_ON_CHECK	(1 << 0)
30 struct sembuf sem_wait = {0, -1, 0};
31 struct sembuf sem_signal = {0, 1, 0};
85 	int ret = 0;  in propagate_children()
95 	for (curr_child = 0; curr_child < num_child; curr_child++) {  in propagate_children()
98 		if (pid < 0) {  in propagate_children()
100 		} else if (pid == 0) {  in propagate_children()
123 		while (read(data->pipefd[0], &buf, 1) > 0)  in propagate_children()
130 		semctl(data->semid, 0, IPC_RMID);  in propagate_children()
139 	while (wait(&status) > 0) {  in propagate_children()
148 		ASSERT_EQ(ret, 0);  in propagate_children()
163 	if (numa_available() < 0)  in FIXTURE_SETUP()
170 	data->expected_pfn = mmap(0, sizeof(unsigned long),  in FIXTURE_SETUP()
172 				MAP_SHARED | MAP_ANONYMOUS, -1, 0);  in FIXTURE_SETUP()
178 	ASSERT_NE(semctl(data->semid, 0, SETVAL, 0), -1);  in FIXTURE_SETUP()
205 	semctl(data->semid, 0, IPC_RMID);  in FIXTURE_TEARDOWN()
208 	close(data->pipefd[0]);  in FIXTURE_TEARDOWN()
234 	int status = 0;  in try_to_move_page()
235 	int failures = 0;  in try_to_move_page()
237 	ret = move_pages(0, 1, (void **)&region, NULL, &status, MPOL_MF_MOVE_ALL);  in try_to_move_page()
238 	if (ret != 0) {  in try_to_move_page()
244 	for (node = 0; node <= numa_max_node(); node++) {  in try_to_move_page()
255 		ret = move_pages(0, 1, (void **)&region, &node, &status, MPOL_MF_MOVE_ALL);  in try_to_move_page()
262 		if (ret < 0) {  in try_to_move_page()
272 	return 0;  in try_to_move_page()
281 	if (ret != 0)  in move_region()
289 	return 0;  in move_region()
298 		return 0;  in has_same_pfn()
308 	return 0;  in has_same_pfn()
316 	data->region = mmap(0, data->mapsize, PROT_READ | PROT_WRITE,  in TEST_F()
317 				MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);  in TEST_F()
319 	memset(data->region, 0xcf, data->mapsize);  in TEST_F()
340 	data->region = mmap(0, data->mapsize, PROT_READ | PROT_WRITE,  in TEST_F()
341 				MAP_SHARED, shm_fd, 0);  in TEST_F()
343 	memset(data->region, 0xcf, data->mapsize);  in TEST_F()
365 	data->region = mmap(0, data->mapsize, PROT_READ | PROT_WRITE,  in TEST_F()
366 				MAP_SHARED, fd, 0);  in TEST_F()
368 	memset(data->region, 0xcf, data->mapsize);  in TEST_F()
382 			   MAP_PRIVATE|MAP_ANON, -1, 0);  in prepare_local_region()
386 	memset(data->region, 0xcf, data->mapsize);  in prepare_local_region()
392 	int ret = 0;  in merge_and_migrate()
397 	if (ksm_start() < 0)  in merge_and_migrate()
415 	if (ksm_stop() < 0)  in TEST_F()
417 	if (ksm_get_full_scans() < 0)  in TEST_F()
420 	ret = prctl(PR_SET_MEMORY_MERGE, 1, 0, 0, 0);  in TEST_F()
421 	if (ret < 0 && errno == EINVAL)  in TEST_F()