linux-kernel - Re: [PATCH 1/12] ksm: rename kernel_pages

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Message-ID: <20090803164859.GG23385@random.random>
Date:	Mon, 3 Aug 2009 18:48:59 +0200
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	Izik Eidus <ieidus@...hat.com>
Cc:	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Rik van Riel <riel@...hat.com>,
	Chris Wright <chrisw@...hat.com>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 1/12] ksm: rename kernel_pages_allocated

On Mon, Aug 03, 2009 at 05:21:50PM +0300, Izik Eidus wrote:
> Hugh Dickins wrote:
> > We're not implementing swapping of KSM pages in its first release;
> > but when that follows, "kernel_pages_allocated" will be a very poor
> > name for the sysfs file showing number of nodes in the stable tree:
> > rename that to "pages_shared" throughout.
> >
> > But we already have a "pages_shared", counting those page slots
> > sharing the shared pages: first rename that to... "pages_sharing".
> >
> > What will become of "max_kernel_pages" when the pages shared can
> > be swapped?  I guess it will just be removed, so keep that name.
> >
> > Signed-off-by: Hugh Dickins <hugh.dickins@...cali.co.uk>
> > ---
> >
> >
> >   
> ACK.

Not sure if it worth doing the subtraction between the number of user
mappings pointing to the ksm_pages_shared.

Acked-by: Andrea Arcangeli <aarcange@...hat.com>
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