linux-kernel - Re: [PATCH v2 00/22] mm: lru

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Message-ID: <4F447904.90500@openvz.org>
Date:	Wed, 22 Feb 2012 09:11:32 +0400
From:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
To:	Andi Kleen <andi@...stfloor.org>
CC:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Hugh Dickins <hughd@...gle.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH v2 00/22] mm: lru_lock splitting

Andi Kleen wrote:
> Konstantin Khlebnikov<khlebnikov@...nvz.org>  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.

>
> Thanks,
>
> -Andi
>

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