On 10-Oct-2002 Erik Andersen wrote:
> I don't think grep is a very good candidate for O_STREAMING. I
> usually want the stuff I grep to stay in cache. O_STREAMING is
> much better suited to applications like ogle, vlc, xine, xmovie,
> xmms etc since there is little reason for the OS to cache things
> like songs and movies you aren't likely to hear/see again any
> time soon.
The kernel already have cache pruning algorithm. O_STREAMING logic
should not clear caches if there is no need to do that. We could
fake the age of the pages loaded with O_STR to make the kernel
discard them earlier (oh, I SUPPOSE pages have an age to make
a lru replacement algorithm possible).
Bye.
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:36 EST