[LTP] [PATCH 2/2] [RFC] syscalls/mmap12: Do not fail on non-present pages

Cyril Hrubis chrubis@suse.cz
Thu Sep 14 13:44:52 CEST 2017

> > @Michal: Can you think of alternative way to differentiate between:
> > "MAP_POPULATE did its best" vs. "MAP_POPULATE is broken"?
> What about reading /proc/self/smaps for the range and check for RSS
> field? Seeing 0 could be reported as an unexpected _warning_ but I am
> not really sure there is any correctness test we could do here. Maybe
> just compare that MAP_POPULATE will give you the same content as the
> manual fault in.

Jan will you try to implement something along these lines or should we
merge the original patch before the release and look into this later in
a case we decide to?

Cyril Hrubis

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