Re: [PATCHSET] block, mempool, percpu: implement percpu mempool andfix blkcg percpu alloc deadlock

From: Vivek Goyal
Date: Thu Dec 22 2011 - 21:56:35 EST


On Thu, Dec 22, 2011 at 05:58:34PM -0800, Andrew Morton wrote:
> On Thu, 22 Dec 2011 20:40:43 -0500 Vivek Goyal <vgoyal@xxxxxxxxxx> wrote:
>
> > That's why the need of per cpu data structures to make stat collection
> > lockless.
>
> btw, (and this is a common refrain): was there any reason for avoiding
> using percpu_counters here?

Frankly speaking I did not consider that. I will look into it (/me needs
to read up a bit on per cpu counter and look at code examples).

Thanks
Vivek
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