PR_SET_THP_DISABLE
case PR_SET_THP_DISABLE:
if (prctl(PR_SET_THP_DISABLE, 1, NULL, NULL, NULL))
ASSERT_EQ(prctl(PR_SET_THP_DISABLE, 0, NULL, NULL, NULL), 0);
if (prctl(PR_SET_THP_DISABLE, 1, PR_THP_DISABLE_EXCEPT_ADVISED, NULL, NULL))
ASSERT_EQ(prctl(PR_SET_THP_DISABLE, 0, NULL, NULL, NULL), 0);