Re: idle task's task_t allocation on NUMA machines

Samuel Thibault
2005-08-18T20:03:04Z

Samuel Thibault, le Thu 18 Aug 2005 21:49:41 +0200, a écrit :
> Eric Dumazet, le Thu 18 Aug 2005 17:18:55 +0200, a écrit :
> > I believe IRQ stacks are also allocated on node 0, that seems more serious.
>
> For the i386 architecture at least, yes: they are statically defined in
> arch/i386/kernel/irq.c, while they could be per_cpu.

Hum, but the per_cpu areas for i386 are not numa-aware... I'm wondering:
isn't the current x86_64 numa-aware implementation of per_cpu generic
enough for any architecture?

Regards,
Samuel