Re: [PATCH] Register sysfs file for hotpluged new node

[Dave Hansen <haveblue@us.ibm.com>]

On Tue, 2006-05-16 at 21:23 +0900, Yasunori Goto wrote:
> +       /*
> +        * register this node to sysfs.
> +        * this is depends on topology. So each arch has its own.
> +        */
> +       if (new_pgdat){
> +               ret = arch_register_node(nid);
> +               BUG_ON(ret);
> +       } 

Please don't do BUG_ON()s for things like this.  Memory hotplug _should_
handle failures from top to bottom and not screw you over.  It isn't a
crime or a bug to be out of memory.  

Have you run this past the ppc maintainers?

-- Dave

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