linux-kernel - Re: [PATCH] nfs: fix congestion control -v4

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Message-Id: <20070126005117.5e376c16.akpm@osdl.org>
Date:	Fri, 26 Jan 2007 00:51:17 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Christoph Lameter <clameter@....com>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, pj@....com
Subject: Re: [PATCH] nfs: fix congestion control -v4

On Fri, 26 Jan 2007 09:03:37 +0100
Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> On Thu, 2007-01-25 at 22:04 -0800, Andrew Morton wrote:
> > On Thu, 25 Jan 2007 21:31:43 -0800 (PST)
> > Christoph Lameter <clameter@....com> wrote:
> > 
> > > On Thu, 25 Jan 2007, Andrew Morton wrote:
> > > 
> > > > atomic_t is 32-bit.  Put 16TB of memory under writeback and blam.
> > > 
> > > We have systems with 8TB main memory and are able to get to 16TB.
> > 
> > But I bet you don't use 4k pages on 'em ;)
> > 
> > > Better change it now.
> > 
> > yup.
> 
> I can change to atomic_long_t but that would make this patch depend on
> Mathieu Desnoyers' atomic.h patch series.
> 
> Do I send out a -v5 with this, or should I send an incremental patch
> once that hits your tree?

A patch against next -mm would suit, thanks.

(But we already use atomic_long_t in generic code?)
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