void setup(void)
{
save_nr_hugepages();
if (!Hopt)
Hopt = tst_get_tmpdir();
SAFE_MOUNT("none", Hopt, "hugetlbfs", 0, NULL);
if (nr_opt)
hugepages = SAFE_STRTOL(nr_opt, 0, LONG_MAX);
set_sys_tune("nr_hugepages", hugepages, 1);
snprintf(TEMPFILE, sizeof(TEMPFILE), "%s/mmapfile%d", Hopt, getpid());
}
void setup(void)
{
long hpage_size;
save_nr_hugepages();
if (nr_opt)
hugepages = SAFE_STRTOL(nr_opt, 0, LONG_MAX);
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = SAFE_READ_MEMINFO("Hugepagesize:") * 1024;
shm_size = hpage_size * hugepages / 2;
update_shm_size(&shm_size);
shmkey = getipckey();
shmkey2 = shmkey + 1;
shm_id_1 = shmget(shmkey, shm_size,
SHM_HUGETLB | IPC_CREAT | IPC_EXCL | SHM_RW);
if (shm_id_1 == -1)
tst_brk(TBROK | TERRNO, "shmget #setup");
}
static void setup(void)
{
long hpage_size;
save_nr_hugepages();
if (nr_opt)
hugepages = SAFE_STRTOL(nr_opt, 0, LONG_MAX);
SAFE_FILE_SCANF(PATH_SHMMNI, "%ld", &orig_shmmni);
set_sys_tune("nr_hugepages", hugepages, 1);
SAFE_FILE_PRINTF(PATH_SHMMNI, "%ld", hugepages / 2);
hpage_size = SAFE_READ_MEMINFO("Hugepagesize:") * 1024;
shm_size = hpage_size;
/*
* Use a while loop to create the maximum number of memory segments.
* If the loop exceeds MAXIDS, then break the test and cleanup.
*/
num_shms = 0;
shm_id_1 = shmget(IPC_PRIVATE, shm_size,
SHM_HUGETLB | IPC_CREAT | IPC_EXCL | SHM_RW);
while (shm_id_1 != -1) {
shm_id_arr[num_shms++] = shm_id_1;
if (num_shms == MAXIDS)
tst_brk(TBROK, "The maximum number of "
"shared memory ID's has been reached. "
"Please increase the MAXIDS value in "
"the test.");
shm_id_1 = shmget(IPC_PRIVATE, shm_size,
SHM_HUGETLB | IPC_CREAT | IPC_EXCL | SHM_RW);
}
if (errno != ENOSPC)
tst_brk(TBROK | TERRNO, "shmget #setup");
}
