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SubjectRe: [PATCH] Make swap accounting default behavior configurable
On Wed 17-11-10 12:28:01, Daisuke Nishimura wrote:
> On Tue, 16 Nov 2010 17:12:25 -0800
> Andrew Morton <akpm@linux-foundation.org> wrote:
>
> > On Wed, 17 Nov 2010 09:23:39 +0900 Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
> >
> > > > >
> > > > > diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> > > > > index ed45e98..14eafa5 100644
> > > > > --- a/Documentation/kernel-parameters.txt
> > > > > +++ b/Documentation/kernel-parameters.txt
> > > > > @@ -2385,6 +2385,9 @@ and is between 256 and 4096 characters. It is defined in the file
> > > > > improve throughput, but will also increase the
> > > > > amount of memory reserved for use by the client.
> > > > >
> > > > > + swapaccount [KNL] Enable accounting of swap in memory resource
> > > > > + controller. (See Documentation/cgroups/memory.txt)
> > > >
> > > > So we have swapaccount and noswapaccount. Ho hum, "swapaccount=[1|0]"
> > > > would have been better.
> > > >
> > > I suggested to keep "noswapaccount" for compatibility.
> > > If you and other guys don't like having two parameters, I don't stick to
> > > the old parameter.
> > >
> >
> > Yes, we're stuck with the old one now.
> >
> > But we should note that "foo=[0|1]" is superior to "foo" and "nofoo".
> > Even if we didn't initially intend to add "nofoo".
> >
> I see.
>
> Michal-san, could you update your patch to use "swapaccount=[1|0]" ?

I have noticed that Andrew has already taken the last version of the
patch for -mm tree. Should I still rework it to change swapaccount to
swapaccount=0|1 resp. true|false?

>
> Thanks,
> Daisuke Nishimura.
--
Michal Hocko
L3 team
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9
Czech Republic


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