Re: [PATCH] Minor scheduler fix to get rid of skipping in xmms

[Andrew Morton]

Steven Pratt <slpratt@xxxxxxxxxxxxxx> wrote:
>
> >
> >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm6/broken-out/sched-CAN_MIGRATE_TASK-fix.patch
> >
> This patch improves specjjb over test5 and has no real effect on any of 
> kernbench, volanomark or specsdet.

Fine, it's a good fix.

> >
> >and if you have time, also test5 plus sched-CAN_MIGRATE_TASK-fix.patch plus
> >
> >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm6/broken-out/sched-balance-fix-2.6.0-test3-mm3-A0.patch
> >  
> >
> This patch degrades both specjbb and volanomark, and to a lesser degree 
> specsdet

ok.  And just confirming: that was test5 plus
sched-CAN_MIGRATE_TASK-fix.patch plus
sched-balance-fix-2.6.0-test3-mm3-A0.patch?

I didn't expect a regression from sched-balance-fix.

> >What I'm afraid of is that those patches will yield improved results over
> >test5, and that adding
> >
> >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm6/broken-out/sched-2.6.0-test2-mm2-A3.patch
> >
> I tried adding this patch to stock test5 and it failed to apply 
> cleanly.  I have not had a chance to look at why.  Did you mean for this 
> to be applied by itself, or was this supposed to go on top of one of the 
> other patches?

Yes, it applies on top of the other two patches.

Thanks for working on this: it's pretty important right now.

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