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

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Message-Id: <20070125220457.a761ae6a.akpm@osdl.org>
Date:	Thu, 25 Jan 2007 22:04:57 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Christoph Lameter <clameter@....com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	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 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.
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