Messages in this thread |  | | Date | Thu, 27 Sep 2001 12:41:34 -0700 (PDT) | Subject | Re: Locking comment on shrink_caches() | From | "David S. Miller" <> |
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From: Alan Cox <alan@lxorguk.ukuu.org.uk> Date: Thu, 27 Sep 2001 13:10:49 +0100 (BST)
See prefetching - the CPU prefetching will hide some of the effect and the spin_lock_prefetch() macro does wonders for the rest.
Well, if prefetching can do it faster than avoiding the transaction altogether, I'm game :-)
Franks a lot, David S. Miller davem@redhat.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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