Re: [PATCH 12/35] workqueue: update cwq alignement

[Christoph Lameter]

On Tue, 29 Jun 2010, Tejun Heo wrote:

> What alignment maintenance?  Are you talking about the UP code?  If
> you're talking about the UP code, the ugliness there is because the
> current UP __alloc_percpu() can't honor the alignment parameter.

Why do we need alignment on UP? Cachelines typically dont bounce if a
single processor accesses the data.

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