linux-kernel - Re: [PATCH 1/2] vmscan: separate sc.swap_cluster_max and sc.nr_max

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Message-ID: <4ACF9E2F.3090307@redhat.com>
Date:	Fri, 09 Oct 2009 16:33:51 -0400
From:	Rik van Riel <riel@...hat.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH 1/2] vmscan: separate sc.swap_cluster_max and sc.nr_max_reclaim

KOSAKI Motohiro wrote:
> Rafael, Can you please review this patch series?
> 
> I found shrink_all_memory() is not fast at all on my numa system.
> I think this patch series fixes it.
> 
> 
> ==============================================================
> Currently, sc.scap_cluster_max has double meanings.
> 
>  1) reclaim batch size as isolate_lru_pages()'s argument
>  2) reclaim baling out thresolds
> 
> The two meanings pretty unrelated. Thus, Let's separate it.
> this patch doesn't change any behavior.
> 
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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