[LTP] [PATCH] max_map_count: Add judgment of abnormal situation

zhaogongyi
2021-03-09T13:17:12Z

Hi petr,

>
> Hi,
>
> > When CommitLimit - Committed_AS < 128, there is no post processing,
> > and the test will report "TBROK: Test haven't reported results".
>
> > Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
> > ---
> > testcases/kernel/mem/tunable/max_map_count.c | 2 ++
> > 1 file changed, 2 insertions(+)
>
> > diff --git a/testcases/kernel/mem/tunable/max_map_count.c
> > b/testcases/kernel/mem/tunable/max_map_count.c
> > index aa70fde59..ffc53cbb5 100644
> > --- a/testcases/kernel/mem/tunable/max_map_count.c
> > +++ b/testcases/kernel/mem/tunable/max_map_count.c
> > @@ -162,6 +162,8 @@ static void max_map_count_test(void)
> > max_iters = memfree / sysconf(_SC_PAGESIZE) * 1024 - 64;
> > if (max_iters > MAX_MAP_COUNT)
> > max_iters = MAX_MAP_COUNT;
> > + if (max_iters < 0)
> > + tst_brk(TCONF, "Test nees max_iters > 0, test skipped");
> typo: nees => needs (no need to repost, can be changed during merge).
>
> Reviewed-by: Petr Vorel <pvorel@suse.cz>
>
> You seems to exploring limits. Out of curiosity, which system / hw do you
> test?

We are testing linux on some different embedded systems whose hw resource is limited.

Thanks for your review!

Best Regards,
Gongyi

> Kind regards,
> Petr
>
> > max_maps = MAP_COUNT_DEFAULT;
> > while (max_maps <= max_iters) {