[LTP] [RFC] [PATCH] syscalls/madvise09: Fix for disabled swap accounting

[Jan Stancek]

----- Original Message -----
> The test had to be fixed for systems with swap accounting disabled.
> 
> First there are no "memsw" prefixed tuning knobs in memcg directories if
> swap accounting is disabled.
> 
> Then we had to limit the hungry child since otherwise it will be killed
> only after all system swap was filled. Hence we exit the memory hungry
> child once the process fills 100MB of swap. That seems to be enough to
> put the cgroup into memory pressure while it limits the test runtime to
> a few seconds.

Looks reasonable to me, only 2 alternatives I can think of is turning
off swap for duration of test, or exit with TCONF if swap accounting
is disabled.

Regards,
Jan