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Message-ID: <1432813779.3237.141.camel@gmail.com> Date: Thu, 28 May 2015 13:49:39 +0200 From: Mike Galbraith <umgwanakikbuti@...il.com> To: Morten Rasmussen <morten.rasmussen@....com> Cc: Josef Bacik <jbacik@...com>, "riel@...hat.com" <riel@...hat.com>, "mingo@...hat.com" <mingo@...hat.com>, "peterz@...radead.org" <peterz@...radead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH RESEND] sched: prefer an idle cpu vs an idle sibling for BALANCE_WAKE On Thu, 2015-05-28 at 12:48 +0100, Morten Rasmussen wrote: > On Thu, May 28, 2015 at 11:57:44AM +0100, Mike Galbraith wrote: > > On Thu, 2015-05-28 at 10:49 +0100, Morten Rasmussen wrote: > > > > > Isn't sd == NULL is most cases if you don't move the sd assignment > > > before the affine_sd assignment? > > > > sd will usually be NULL regardless of where the assignment is, as > > SD_BALANCE_WAKE is usually off in ->flags. Josef is turning it on. > > Right. SD_BALANCE_WAKE needs to set in the sd flags and the assignment > has to happen before the break for this to work. I just don't see > SD_BALANCE_WAKE being enabled for the sched_domain anywhere in the > patch? He's doing that via proc interface.. well, I presume he is anyway. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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