Messages in this thread | | | Date | Tue, 8 Aug 2017 09:52:11 -0700 | From | Matthew Wilcox <> | Subject | Re: [PATCH v2 0/2] mm,fork,security: introduce MADV_WIPEONFORK |
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On Tue, Aug 08, 2017 at 11:46:08AM -0400, Rik van Riel wrote: > On Tue, 2017-08-08 at 08:19 -0700, Mike Kravetz wrote: > > If the use case is fairly specific, then perhaps it makes sense to > > make MADV_WIPEONFORK not applicable (EINVAL) for mappings where the > > result is 'questionable'. > > That would be a question for Florian and Colm. > > If they are OK with MADV_WIPEONFORK only working on > anonymous VMAs (no file mapping), that certainly could > be implemented. > > On the other hand, I am not sure that introducing cases > where MADV_WIPEONFORK does not implement wipe-on-fork > semantics would reduce user confusion...
It'll simply do exactly what it does today, so it won't introduce any new fallback code.
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