Re: [2.6.20][PATCH] fix mempolicy error check on a system withmemory-less-node

[KAMEZAWA Hiroyuki]

On Wed, 7 Feb 2007 12:32:36 +0100
Andi Kleen <ak@xxxxxxx> wrote:

> 
> > How for_each_online_node(nid) works ? it can handle alias-nid ?
> > 
> > ==
> > 	for_each_online_node(nid) {
> > 		pgdat = NODE_DATA(nid);
> > ==
> > This code never accesses pgdat_for_A twice ?
> 
> It would. If there's a problem it could be changed to walk the pgdat lists instead,
> but at least when x86-64 still did it there wasn't.
> 

Thank you for discussion. 

I'll try another hot-fix just for this NULL pointer access problem,
which is not invasive and not costly.

Thanks,
-Kame


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/