Re: [RFC] Arch option to touch newly allocated pages

Rik van Riel
2002-03-07T20:11:09Z

On Thu, 7 Mar 2002, Andrew Morton wrote:
> Daniel Phillips wrote:
> >
> > a GFP flag that says 'fail if this looks hard to get'.
>
> Something like that would provide a solution to the
> readahead thrashing problem.

Nope. Readahead pages are clean and very easy to evict, so
it's still trivial to evict all the pages from another readahead
window because everybody's readahead window is too large.

regards,

Rik
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