Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.

From: Christoph Lameter
Date: Thu Jan 16 2014 - 13:27:04 EST


On Thu, 16 Jan 2014, Dave Hansen wrote:

> This was a really tight loop where the caches are really hot, but it did
> show the large 'struct page' winning:
>
> http://sr71.net/~dave/intel/slub/slub-perf-20140109.png
>
> As I said in the earlier description, the paravirt code doing interrupt
> disabling was what really hurt the two spinlock cases.

Hrm... Ok. in that case the additional complexity may be justified.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/