Messages in this thread | | | Date | Thu, 2 Oct 2008 07:26:50 -0700 | From | Arjan van de Ven <> | Subject | Re: [PATCH] Give kjournald a IOPRIO_CLASS_RT io priority |
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On Thu, 2 Oct 2008 15:47:37 +0200 Jens Axboe <jens.axboe@oracle.com> wrote:
> Yes, it'll report '0' which means 'not set'. The kernel inteprets 'not > set' as the default values, BE/4. There's a big diffence, since '0' > means that we track CPU nice values where as if it returned be/4 then > that is a strict/fixed setting.
argh. "0" means both "not set" and "highest priority".
how about we fix this?
right now "query + set" isn't idempotent..... it should be able to be that.
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org
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