On 08/07/2017 08:23 PM, Mike Kravetz wrote:
> If my thoughts above are correct, what about returning EINVAL if one
> attempts to set MADV_DONTFORK on mappings set up for sharing?

That's my preference as well.  If there is a use case for shared or
non-anonymous mappings, then we can implement MADV_DONTFORK with the
semantics for this use case.  If we pick some arbitrary semantics now,
without any use case, we might end up with something that's not actually


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