Re: [rfc][patch] store-free path walking

From: Andi Kleen
Date: Wed Oct 07 2009 - 16:35:49 EST


Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes:
>
> Sad. But we do have the added requirement that we want to keep the
> commonly used fields together in the same cacheline, so maybe it's
> unavoidable.

With some strategic prefetches it might be cheap enough to use
two cache lines. Just fetch it with the other.

-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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