Re: NUMA aware slab allocator V2
From: Christoph Lameter (clameter_at_engr.sgi.com)
Date: 05/12/05
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Date: Thu, 12 May 2005 13:02:14 -0700 (PDT) To: Andrew Morton <akpm@osdl.org>
On Thu, 12 May 2005, Andrew Morton wrote:
> Christoph Lameter <clameter@engr.sgi.com> wrote:
> >
> > This patch allows kmalloc_node to be as fast as kmalloc by introducing
> > node specific page lists for partial, free and full slabs.
>
> This patch causes the ppc64 G5 to lock up fairly early in boot. It's
> pretty much a default config:
> http://www.zip.com.au/~akpm/linux/patches/stuff/config-pmac
>
> No serial port, no debug environment, but no useful-looking error messages
> either. See http://www.zip.com.au/~akpm/linux/patches/stuff/dsc02516.jpg
I got rc4-mm1 and booted it on an x86_64 machines with similar
configuration (no NUMA but SMP, numa slab uncommented) but multiple
configurations worked fine (apart from another error attempting to
initialize a nonexistand second cpu by the NMI handler that I described
in another email to you). I have no ppc64 available.
Could we boot the box without quiet so that we can get better debug
messages? Did the box boot okay without the patch?
> Finally, I do intend to merge up the various slab patches which are in -mm,
> so if you could base further work on top of those it would simplify life,
> thanks.
Ok.
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