Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area

From: Ingo Molnar
Date: Wed Oct 27 2010 - 11:33:43 EST



* Ingo Molnar <mingo@xxxxxxx> wrote:

> > Ingo, can you take care of this all, or should I just take the patch and remove
> > the multipage stuff manually?
>
> Sure, i'm queuing up Brian's patch (initially wanted to wait for the NUMA-aware
> version) and will remove all the multipage pcpu bits - will send you a pull
> request later today, after a bit of testing.

Btw., the NUMA stuff never really worked percpu alloc, as per Eric's observation:

| Anyway, I just discovered per_cpu data on my machine (NUMA capable) all sit on a
| single node, if 32bit kernel used.

... and in practice it's not really relevant on 32-bit anyway. So we can decouple
the two issues just fine.

Thanks,

Ingo
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