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SubjectRe: [PATCH] cpuset: mm: Reduce large amounts of memory barrier related damage v3
On Thu, Aug 29, 2013 at 01:14:19PM +0200, Peter Zijlstra wrote:
> > I intended to say nr_node_ids, the same size as buffers such as the
> > task_numa_buffers. If we ever return a nid > nr_node_ids here then
> > task_numa_fault would corrupt memory. However, it should be possible for
> > node_weight to exceed nr_node_ids except maybe during node hot-remove so
> > it's not the problem.
>
> The nodemask situation seems somewhat more confused than the cpumask
> case; how would we ever return a nid > nr_node_ids? Corrupt nodemask?
>

ARGH. I meant impossible. The exact bloody opposite of what I wrote.

--
Mel Gorman
SUSE Labs


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