Re: [PATCH 05/10] x86_64: Use generic percpu

From: Mike Travis
Date: Mon Dec 31 2007 - 11:21:14 EST


Ingo Molnar wrote:
> * Mike Travis <travis@xxxxxxx> wrote:
>
>>> Also for such changes .text size comparisons before/after are a good
>>> idea.
>> x86_64-defconfig:
>>
>> pre-percpu post-percpu
>> 159373 .init.text +3 .init.text
>> 1411137 .rodata +8 .rodata
>> 3629056 .text +48 .text
>> 7057383 Total +59 Total
>
> ok, that looks like really minimal impact, so i'm in favor of merging
> this into arch/x86 - and the unification it does later on is nice too.
>
> to get more test feedback: what would be the best way to get this tested
> in x86.git in a standalone way? Can i just pick up these 10 patches and
> remove all the non-x86 arch changes, and expect it to work - or are the
> other percpu preparatory/cleanup patches in -mm needed too?
>
> Ingo

I've tested some x86_64 configs but the UP model is currently broken so I
haven't been able to test that. (the "fs/nfs/super.c" build problem with
TASK_NORMAL and TASK_UNINTERRUPTIBLE undefined.)

Thanks,
Mike
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