Re: [PATCH] Fastwalk: reduce cacheline bouncing of d_count (Changelog@1.1024.1.11)

From: Marcelo Tosatti (
Date: Tue Jul 08 2003 - 14:26:31 EST

On Tue, 8 Jul 2003, Alan Cox wrote:

> On Maw, 2003-07-08 at 17:44, Herbert Poetzl wrote:
> > > Its no big problem to me since I can just back it out of -ac
> >
> > just curious, because I use this patch since early 2.4.20,
> > are there any reasons to 'back it out of -ac' for you?
> >
> > anyway I totally agree that the NFS issue pointed out by
> > Trond should be addressed ...
> Its high risk, its got bugs as Trond already showed and it only
> helps performance on giant SMP boxes. Its all risk and no
> reward. Quota updates get you working 32bit uid quota and
> the interactivity stuff helps all even tho its got some
> risk.

Ok, fine. Thats the feedback I wanted when I included it yesterday.

I'm going to revert it now.

Sorry, Hanna, but Alan saved the day again, and convinced me that fastwalk
is indeed a 2.5 thing.
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