Messages in this thread | | | Subject | Re: [sched-devel, patch-rfc] rework of "prioritize non-migratable tasks over migratable ones" | From | Peter Zijlstra <> | Date | Wed, 11 Jun 2008 10:53:02 +0200 |
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On Wed, 2008-06-11 at 00:58 +0200, Dmitry Adamushko wrote: > Hi Gregory, > > > regarding this commit: 45c01e824991b2dd0a332e19efc4901acb31209f > > > I think we can do it simpler. Please take a look at the patch below. > > Instead of having 2 separate arrays (which is + ~800 bytes on x86_32 and twice so on x86_64), > let's add "exclusive" (the ones that are bound to this CPU) tasks to the head of the queue > and "shared" ones -- to the end. > > In case of a few newly woken up "exclusive" tasks, they are 'stacked' (not queued as now), meaning that > a task {i+1} is being placed in front of the previously woken up task {i}. But I don't think that > this behavior may cause any realistic problems.
Doesn't this violate POSIX ?
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