Re: Another wish item for your TODO list...

[Rik van Riel <riel@conectiva.com.br>]

On Mon, 23 Oct 2000, Stephen C. Tweedie wrote:

> Just a quick thought --- at some point it would be good if we
> could add logic to the core VM so that for sequentially accessed
> files, reclaiming any page of the file from cache would evict
> the _whole_ of the file from cache.

I take it you mean "move all the pages from before the
currently read page to the inactive list", so we preserve
the pages we just read in with readahead ?

> For large files, we're not going to try to cache the whole thing
> anyway.  For small files, reading the whole file back in later
> isn't much more expensive than reading back a few fragments if
> the rest still happens to be in cache.

Indeed.

regards,

Rik
--
"What you're running that piece of shit Gnome?!?!"
       -- Miguel de Icaza, UKUUG 2000

http://www.conectiva.com/		http://www.surriel.com/

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