[LTP] [PATCH v3] munlockall: add test case that verifies memory has been unlocked

[Li Wang]

Hi Dennis,

Good to see your patch soon, nice work!

Next time remember to commit the patch with Signed-off-by.
  `git commit -sm  xxxx`

Reviewed-by: Li Wang <liwang@redhat.com>


-- 
Regards,
Li Wang