Re: [PATCH] x86_64: Double the per cpu area size

From: Keith Mannthey
Date: Tue Aug 08 2006 - 17:23:54 EST

On 8/8/06, Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
"Keith Mannthey" <kmannth@xxxxxxxxx> writes:

> On 8/7/06, Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
>> Andi Kleen <ak@xxxxxxx> writes:
>> >>
>> >> #include <asm/pda.h>
>> >>
>> >> +#define PERCPU_ENOUGH_ROOM 65536
> Is it possible to put this into -mm untill things are sorted?
> 2.6.18-rc3-mm2 x86_64 is still without any per-cpu space for modules.

I think we are sorted (see the later patch to auto size the per cpu
area). But you should be ok with current -mm if you compile for 64 or
fewer cpus.

Yep it looks like the config file I tote around on this box has
CONFIG_NR_CPUS=128. I thought this this was the default NR_CPUS but it
is not.

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