Re: [PATCH 4/6] cpumask: switch over tocpu_online/possible/active/present_mask: core

[Andrew Morton]

On Mon, 1 Dec 2008 18:47:38 +1030 Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:

> + *     cpu_active_mask  - has bit 'cpu' set iff cpu available to migration

I completely missed the addition of cpu_active :(

It isn't completely clear to me why this exists.  Are the various state
transitions documeted anywhere?

<looks at the changelog>

It says "This is based on Linus' idea of ...", but it doesn't actually
describe that idea.  bah.

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