Messages in this thread | | | Date | Mon, 15 Nov 2010 08:04:23 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCH] set_pgdat_percpu_threshold() don't use for_each_online_cpu |
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On Mon, 15 Nov 2010, Mel Gorman wrote:
> With recent per-cpu allocator changes, are we guaranteed that the per-cpu > structures exist and are valid?
We always guarantee that all per cpu areas for all possible cpus exist. That has always been the case. There was a discussion about changing that though. Could be difficult given the need for additional locking.
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