Re: [RESEND, PATCH 4/6] memcg: fix broken boolean expression

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On Mon, Jan 16, 2012 at 01:54:16PM +0200, Kirill A. Shutemov wrote:
> On Mon, Jan 09, 2012 at 03:04:04PM +0100, Johannes Weiner wrote:
> > On Fri, Jan 06, 2012 at 10:57:50PM +0200, Kirill A. Shutemov wrote:
> > > From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
> > > 
> > > action != CPU_DEAD || action != CPU_DEAD_FROZEN is always true.
> > > 
> > > Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
> > > Cc: <stable@xxxxxxxxxx>
> > 
> > I think you don't need to actually CC stable via email.  If you
> > include that tag, they will pick it up once the patch hits mainline.
> 
> I don't think it's a problem for stable@.
> 
> > 
> > The changelog is too terse, doubly so for a patch that should go into
> > stable.  How is the code supposed to work?  What are the consequences
> > of the bug?
> 
> Is it enough?

I think so, thank you.

> >From fe1c2f2dc1abf63cce12017e2d9031cf67f0a161 Mon Sep 17 00:00:00 2001
> From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
> Date: Sat, 24 Dec 2011 04:12:53 +0200
> Subject: [PATCH 4/6] memcg: fix broken boolean expression
> 
> action != CPU_DEAD || action != CPU_DEAD_FROZEN is always true.
> 
> We should return at the point if CPU doesn't go away. Otherwise drain
> all counters and stocks from the CPU.
> 
> Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxx>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>

But without the stable Cc, I guess :)
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