Files
mckernel/test/issues/1181/check_thp.c
Ken Sato dfd23c3ebe prctl: Add support for PR_SET_THP_DISABLE and PR_GET_THP_DISABLE
Change-Id: I04c5568a9eb78bcac632b734f34bba49cf602c4d
Refs: #1181
2019-01-22 05:40:56 +00:00

37 lines
590 B
C

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/prctl.h>
int main(int argc, char *argv[])
{
int rc = 0, ret = 0;
int expected_thp = 0;
if (argc < 2) {
printf("err: too few arguments\n");
return -1;
}
expected_thp = atoi(argv[1]);
rc = prctl(PR_GET_THP_DISABLE, 0, 0, 0, 0);
if (rc < 0) {
perror("err: PR_GET_THP_DISABLE");
}
if (rc == expected_thp) {
printf("[ OK ] get thp_disable: %d\n", rc);
ret = 0;
}
else {
printf("[ NG ] get thp_disable: %d (expected %d)\n",
rc, expected_thp);
ret = -1;
goto out;
}
out:
return ret;
}