Re: missing madvise functionality

[Rik van Riel]

Ulrich Drepper wrote:
> Rik van Riel wrote:
> > I already started looking into implementing this.
> >
> > Basically:
> > [...]
>
> Sounds good.  Except:
>
>
> > 1) on MADV_DONTNEED, mark pages clean, not accessed and move them
> >    to some "dontneed" LRU list.
>
> LRU is likely the wrong answer.  The longer a page has not been reused
> the more likely it won't be.  So, the dontneed-list  should be a simple
> FIFO.

Well yes, it is.

If the page was accessed again, it will be moved to
the active list :)

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