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

[zhaogongyi]

Hi Petr,

I have resubmit the patch as your review.

Thanks!

Best Regards,
Gongyi

> 
> Hi Gongyi,
> 
> > > > When CommitLimit - Committed_AS < 128, there is no post
> > > > processing, and the test will report "TBROK: Test haven't reported
> results".
> Actually, I have problem for CommitLimit - Committed_AS < 5280
> (depends on actual system).
> 
> But that means that even check for max_iters < 0 is not enough, because
> while (max_maps <= max_iters) block should be run at least once to avoid
> TBROK: Test haven't reported results!
> 
> max_maps is always 1024, thus how about this?
> 
> 	max_maps = MAP_COUNT_DEFAULT;
> +	if (max_iters < max_maps)
> +		tst_brk(TCONF, "test requires more free memory");
> 
> 
> > > 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 info.
> 
> Kind regards,
> Petr