Re: [PATCH v2 00/22] mm: lru_lock splitting

From: Andi Kleen
Date: Wed Feb 22 2012 - 01:16:21 EST


On Wed, Feb 22, 2012 at 09:11:32AM +0400, Konstantin Khlebnikov wrote:
> Andi Kleen wrote:
> >Konstantin Khlebnikov<khlebnikov@xxxxxxxxxx> writes:
> >
> >Konstantin,
> >
> >>There complete patch-set with my lru_lock splitting
> >>plus all related preparations and cleanups rebased to next-20120210
> >
> >On large systems we're also seeing lock contention on the lru_lock
> >without using memcgs. Any thoughts how this could be extended for this
> >situation too?
>
> We can split lru_lock by pfn-based interleaving.
> After all these cleanups it is very easy. I already have patch for this.

Cool. If you send it can try it out on a large system.

This would split the LRU by pfn too, correct?

-Andi
--
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/