From: Martin J. B. <mb...@mb...> - 2005-08-18 21:28:48
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--On Thursday, August 18, 2005 22:02:55 +0200 Samuel Thibault <sam...@en...> wrote: > Samuel Thibault, le Thu 18 Aug 2005 21:49:41 +0200, a =E9crit : >> Eric Dumazet, le Thu 18 Aug 2005 17:18:55 +0200, a =E9crit : >> > I believe IRQ stacks are also allocated on node 0, that seems more serious. >>=20 >> For the i386 architecture at least, yes: they are statically defined in >> arch/i386/kernel/irq.c, while they could be per_cpu. >=20 > 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? All ZONE_NORMAL on ia32 is on node 0, so I don't think it'll help. M. |