On Mon, Apr 21, 2003 at 02:46:31PM -0700, Andrew Morton wrote:
> erk. Looks like the rwlock->spinlock conversion of mapping->page_lock.
> That was a small (1%?) win on small SMP, and looks to be a small lose on
> big SMP. No real surprise there.
> Here's a backout patch. Does it fix it up?
I've yet to recover from merging against this and several others;
hopefully mbligh can run the numbers you need.
-- wli
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