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Message-ID: <48A5DC22.5010507@linux-foundation.org>
Date:	Fri, 15 Aug 2008 14:42:26 -0500
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	Matthew Wilcox <matthew@....cx>,
	Pekka Enberg <penberg@...helsinki.fi>,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, Mel Gorman <mel@...net.ie>,
	andi@...stfloor.org, Rik van Riel <riel@...hat.com>
Subject: Re: No, really, stop trying to delete slab until you've finished
 making slub perform as well

Christoph Lameter wrote:

> Setting remote_node_defrag_ratio to 100 will make slub always take the remote
> slab instead of allocating a new one.

As pointed out by Adrian D. off list:

The max remote_node_defrag_ratio is 99.

Maybe we need to change the comparison in remote_node_defrag_ratio_store() to
allow 100 to switch off any node local allocs?

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