Re: VM Requirement Document - v0.0

From: Stefan Hoffmeister (
Date: Tue Jun 26 2001 - 17:21:09 EST

: On Tue, 26 Jun 2001 18:42:56 -0300 (BRST), Rik van Riel wrote:

>On Tue, 26 Jun 2001, John Stoffel wrote:
>> Or that we're doing big sequential reads of file(s) which are
>> larger than memory, in which case expanding the cache size buys
>> us nothing, and can actually hurt us alot.
>That's a big "OR". I think we should have an algorithm to
>see which of these two is the case, otherwise we're just
>making the wrong decision half of the time.

Windows NT/2000 has flags that can be for each CreateFile operation
("open" in Unix terms), for instance



If Linux does not have mechanism that would allow the signalling of
specific use case, it might be helpful to implement such a hinting system?

Disclaimer: I am clueless about what the kernel provides at this time.
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