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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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