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Re: a plea for mincore()/madvise()
Chuck Lever <cel@monkey.org> writes:
> > I'd like MADV_DONTNEED to just clear the page tables. If it was a private
> > mapping, all the modifications get lost. If it was a shared mapping,
> > modifications since the last msync() may or may not get lost.
>
> i'll create a patch against 2.3.51-pre3 for madvise() and post it on the
> mm list before sunday. then we can argue about something we've both seen
> :)
>
> let me think some more about DONTNEED. at the face of it, i agree with
> your suggestion, but i may just exclude it from the patch until there is
> more discussion here.
As stated before I would be very interested in a call (perhaps
MADV_DONTNEED) which throws away shared (anon) memory pages.
Greetings
Christoph
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