Re: [PATCH] mm: check zone->all_unreclaimable inall_unreclaimable()

From: KAMEZAWA Hiroyuki
Date: Wed Mar 09 2011 - 01:13:25 EST


On Tue, 08 Mar 2011 11:12:22 +0300
Andrew Vagin <avagin@xxxxxxxxx> wrote:

> Hi, All
> > I agree with Minchan and can't think this is a real fix....
> > Andrey, I'm now trying your fix and it seems your fix for oom-killer,
> > 'skip-zombie-process' works enough good for my environ.
> >
> > What is your enviroment ? number of cpus ? architecture ? size of memory ?
> Processort: AMD Phenom(tm) II X6 1055T Processor (six-core)
> Ram: 8Gb
> RHEL6, x86_64. This host doesn't have swap.
>
Ok, thanks. "NO SWAP" is a big information ;)

> It hangs up fast. Tomorrow I will have to send a processes state, if it
> will be interesting for you. With my patch the kernel work fine. I added
> debug and found that it hangs up in the described case.
> I suppose that my patch may be incorrect, but the problem exists and we
> should do something.
>

Thanks,
-Kame

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