linux-kernel - Re: [NFS] [PATCH 009 of 11] knfsd: Allow max size of NFSd payload to be configured.

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Message-ID: <17692.32274.496872.473492@cse.unsw.edu.au>
Date:	Fri, 29 Sep 2006 11:59:46 +1000
From:	Neil Brown <neilb@...e.de>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	"J. Bruce Fields" <bfields@...ldses.org>,
	Andrew Morton <akpm@...l.org>, nfs@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [NFS] [PATCH 009 of 11] knfsd: Allow max size of NFSd payload
 to be configured.

On Thursday September 28, hugh@...itas.com wrote:
> > 
> > I'll submit a patch which uses
> >         12 - PAGE_SHIFT
> > in a little while.
> 
> I haven't seen your context; but "12 - PAGE_SHIFT" sounds like a
> bad idea on all those architectures with PAGE_SHIFT 13 or more;
> you'll be on much safer ground working with "PAGE_SHIFT - 12".

Ahhh yes... of course.  Thanks.

		totalram <<= PAGE_SHIFT - 12;

Is what I want to convert a number of pages to 1/4096 the number of
bytes.

Thanks :-)

NeilBrown
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