From: Anton Blanchard <anton@samba.org>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: mel@csn.ul.ie, cl@linux-foundation.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc: Set a smaller value for RECLAIM_DISTANCE to enable zone reclaim
Date: Tue, 23 Feb 2010 12:38:38 +1100 [thread overview]
Message-ID: <20100223013838.GF31681@kryten> (raw)
In-Reply-To: <661de9471002190743t5385d97hf38c544f0007879c@mail.gmail.com>
Hi Balbir,
> A reclaim distance of 10 implies a ratio of 1, that means we'll always
> do zone_reclaim() to free page cache and slab cache before moving on
> to another node?
I want to make an effort to reclaim local pagecache before ever going
off node. As an example, a completely off node stream result is almost 3x
slower than on node on my test box.
Anton
prev parent reply other threads:[~2010-02-23 1:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-18 22:29 [PATCH] powerpc: Set a smaller value for RECLAIM_DISTANCE to enable zone reclaim Anton Blanchard
2010-02-19 0:07 ` Anton Blanchard
2010-02-19 14:55 ` Mel Gorman
2010-02-19 15:12 ` Christoph Lameter
2010-02-19 15:41 ` Balbir Singh
2010-02-19 15:51 ` Christoph Lameter
2010-02-19 17:39 ` Balbir Singh
2010-02-23 1:55 ` Anton Blanchard
2010-02-23 16:23 ` Mel Gorman
2010-02-24 15:43 ` Christoph Lameter
2010-03-01 12:06 ` Mel Gorman
2010-03-01 15:19 ` Christoph Lameter
2010-02-19 15:43 ` Balbir Singh
2010-02-23 1:38 ` Anton Blanchard [this message]
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