Re: Locking comment on shrink_caches()

From: Rik van Riel (
Date: Tue Sep 25 2001 - 15:24:21 EST

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 ?



IA64: a worthy successor to the i860.

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