Re: dbench on tmpfs OOM's

From: Andrew Morton (akpm@digeo.com)
Date: Tue Sep 17 2002 - 00:14:03 EST


"Martin J. Bligh" wrote:
>
> >> ...
> >> MemTotal: 32107256 kB
> >> MemFree: 27564648 kB
> >
> > I'd be suspecting that your node fallback is bust.
> >
> > Suggest you add a call to show_free_areas() somewhere; consider
> > exposing the full per-zone status via /proc with a proper patch.
>
> Won't /proc/meminfo.numa show that? Or do you mean something
> else by "full per-zone status"?

meminfo.what? Remember when I suggested that you put
a testing mode into the numa code so that mortals could
run numa builds on non-numa boxes?

> Looks to me like it's just out of low memory:
>
> > LowFree: 1424 kB
>
> There is no low memory on anything but node 0 ...
>

It was a GFP_HIGH allocation - just pagecache.
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