Messages in this thread | | | Date | Thu, 20 May 1999 14:33:31 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: andrea buffer code (2.2.9-C.gz) |
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On Thu, 20 May 1999, Ingo Molnar wrote:
>locks contended in tests, have you measured things. OS development is >never 'mathematically clean'.
Usually I do what I think will improve things. Sometime I also benchmark. I think this time I did the wrong choice, probably because it was more fun the finegriend way :-). The io_request_lock is a very good point.
I released now a buffer-2.2.9-L.gz that kills the per-page spinlock.
Andrea Arcangeli
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