Re: [Stable-review] [48/70] vmscan: all_unreclaimable() use zone->all_unreclaimable as a name

From: KOSAKI Motohiro
Date: Thu Apr 21 2011 - 00:24:34 EST


> On Tue, 2011-04-19 at 13:08 -0700, Greg KH wrote:
> > 2.6.38-stable review patch. If anyone has any objections, please let us know.
> >
> > ------------------
> >
> > From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> >
> > commit 929bea7c714220fc76ce3f75bef9056477c28e74 upstream.
> >
> > all_unreclaimable check in direct reclaim has been introduced at 2.6.19
> > by following commit.
> >
> > 2006 Sep 25; commit 408d8544; oom: use unreclaimable info
> >
> > And it went through strange history. firstly, following commit broke
> > the logic unintentionally.
> >
> > 2008 Apr 29; commit a41f24ea; page allocator: smarter retry of
> > costly-order allocations
> [...]
>
> So presumably this needs to be fixed in 2.6.32.y and other longterm
> series as well. Though there seems to be a whole series of fixes
> required in 2.6.32.y!
>
> Are you going to look after that, or should someone else prepare
> backports? (I'm certainly not volunteering - I don't have the VM
> knowledge to work out what needs doing.)

Hi Ben

Honestly, I didn't prepare. If my remember is correct, you are debian
guy. So, Can I think the backport 2.6.32.y help debian people? If so,
it's good thing to increase my priority to do this.

Thanks.



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