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Date: Wed, 30 Apr 2008 09:45:56 +0200
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
       David Miller <davem@davemloft.net>, linux-kernel@vger.kernel.org,
       y-goto@jp.fujitsu.com
Subject: Re: sparc64 bootup regression...
Message-ID: <20080430074556.GA29363@osiris.boeblingen.de.ibm.com>
References: <20080429.231241.221824292.davem@davemloft.net> <20080429233832.168fb6ee.akpm@linux-foundation.org> <20080430161540.bfff2c45.kamezawa.hiroyu@jp.fujitsu.com> <20080430073052.GA11015@osiris.boeblingen.de.ibm.com> <20080430164444.b5b5e6aa.kamezawa.hiroyu@jp.fujitsu.com>
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On Wed, Apr 30, 2008 at 04:44:44PM +0900, KAMEZAWA Hiroyuki wrote:
> On Wed, 30 Apr 2008 09:30:52 +0200
> Heiko Carstens <heiko.carstens@de.ibm.com> wrote:
> > > +#endif
> > > +	/* above allocation can fail. */
> > > +	usemap = alloc_bootmem_node(NODE_DATA(nid), usemap_size());
> > > +	if (usemap)
> > > +		return usemap;
> > > 
> > >  	/* Stupid: suppress gcc warning for SPARSEMEM && !NUMA */
> > >  	nid = 0;
> > 
> > Fixes it on s390 at least.
> > 
> Thanks, much help to understand what happens.
> BTW, s390 is CONFIG_NUMA or not ?

We don't set CONFIG_NUMA on s390.