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

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Message-ID: <17691.19982.162616.572205@cse.unsw.edu.au>
Date:	Thu, 28 Sep 2006 14:22:38 +1000
From:	Neil Brown <neilb@...e.de>
To:	"J. Bruce Fields" <bfields@...ldses.org>
Cc:	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 Monday September 25, bfields@...ldses.org wrote:
> 
> It looks to me like totalram is actually measured in pages.  So in
> practice this gives almost everyone 8k here.  So that 12 should be
> something like 12 - PAGE_CACHE_SHIFT?

Uhm.... yes.  Thanks.
But are the pages that totalram is measure in, normal pages, of
page_cache pages?  And is there a difference?
Should we use PAGE_CACHE_SHIFT, or PAGE_SHIFT?
And why do we have both if they are numerically identical?

I'll submit a patch which uses
        12 - PAGE_SHIFT
in a little while.

Thanks,
NeilBrown
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