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SubjectRe: [PATCH] x86-32: Allocate irq stacks seperate from percpu area
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Le mercredi 27 octobre 2010 à 16:24 +0200, Eric Dumazet a écrit :
> Le mercredi 27 octobre 2010 à 16:00 +0200, Tejun Heo a écrit :
>
> > Heh, interesting table. What does the same code say on 64bit? Is it
> > the same?
> >
>
> Yes this is the same

Oops sorry :!)

On 64bit kernel, the 16 'possible but not online' cpus are not on node
0, but balanced between two nodes.

cpu=0 node=1
cpu=1 node=0
cpu=2 node=1
cpu=3 node=0
cpu=4 node=1
cpu=5 node=0
cpu=6 node=1
cpu=7 node=0
cpu=8 node=1
cpu=9 node=0
cpu=10 node=1
cpu=11 node=0
cpu=12 node=1
cpu=13 node=0
cpu=14 node=1
cpu=15 node=0
cpu=16 node=0
cpu=17 node=1
cpu=18 node=0
cpu=19 node=1
cpu=20 node=0
cpu=21 node=1
cpu=22 node=0
cpu=23 node=1
cpu=24 node=0
cpu=25 node=1
cpu=26 node=0
cpu=27 node=1
cpu=28 node=0
cpu=29 node=1
cpu=30 node=0
cpu=31 node=1


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