Messages in this thread |  | | Date | Tue, 25 Sep 2001 17:24:21 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: Locking comment on shrink_caches() |
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On Tue, 25 Sep 2001, David S. Miller wrote:
> It is known that pagecache_lock is the biggest scalability issue > on large SMP systems, and thus the page cache locking patches > Ingo and myself did.
Interesting, most lockmeter data dumps I've seen here indicate the locks in fs/buffer.c as the big problem and have pagecache_lock down in the noise.
Or were you measuring loads which are mostly read-only ?
regards,
Rik -- IA64: a worthy successor to the i860.
http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com/
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