linux-kernel - Re: [stable] [PATCH] Make swap accounting default behavior configurable

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Message-ID: <20101118163653.GA2786@kroah.com>
Date:	Thu, 18 Nov 2010 08:36:53 -0800
From:	Greg KH <greg@...ah.com>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	stable@...nel.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	balbir@...ux.vnet.ibm.com
Subject: Re: [stable] [PATCH] Make swap accounting default behavior
 configurable

On Thu, Nov 18, 2010 at 09:21:32AM +0100, Michal Hocko wrote:
> > Sorry, I really don't want to start backporting features to stable
> > kernels if at all possible.  Distros can pick them up on their own if
> > they determine it is needed.
> 
> I really do agree with the part about features. But isn't this patch
> basically for distros (to help them to provide the swapaccounting feature
> without the cost of higher memory consumption in default configuration)?

Then if the distros want it, they can pick it up themselves.

> If this doesn't go to the stable then all (interested) of them would
> need to maintain the patch. Otherwise the change would come directly
> from the upstream.

They can cherry-pick from upstream like they do for everything else, no
real change here.

> Moreover, it is not a new feature it just consolidates the default
> behavior of the already existing functionality.

Again, it doesn't match up with the stable kernel rules, sorry, no, this
is not a bugfix or regression.

thanks,

greg k-h
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