The default MEMLOCK limit is not big enough to accomodate all the current pages of the test program process, so the test fails at this step. By removing the MCL_CURRENT flag, we allow the mlockall call to succeed. The mmap is twice the size of the current limit, so it will still fail as expected.
Signed-off-by: Yannick Brosseau <[email protected]> --- tools/testing/selftests/vm/on-fault-limit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/vm/on-fault-limit.c b/tools/testing/selftests/vm/on-fault-limit.c index 245accc..0ae458f 100644 --- a/tools/testing/selftests/vm/on-fault-limit.c +++ b/tools/testing/selftests/vm/on-fault-limit.c @@ -20,7 +20,7 @@ static int test_limit(void) return ret; } - if (mlockall(MCL_CURRENT | MCL_ONFAULT | MCL_FUTURE)) { + if (mlockall(MCL_ONFAULT | MCL_FUTURE)) { perror("mlockall"); return ret; } -- 2.8.1
