From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Mike Travis <travis@sgi.com>
Cc: kosaki.motohiro@jp.fujitsu.com,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Miller <davem@davemloft.net>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
cl@linux-foundation.org, tokunaga.keiich@jp.fujitsu.com
Subject: Re: [RFC][PATCH 2/2] quicklist shouldn't be proportional to # of CPUs
Date: Tue, 26 Aug 2008 08:33:23 +0900 [thread overview]
Message-ID: <20080826083243.232F.KOSAKI.MOTOHIRO@jp.fujitsu.com> (raw)
In-Reply-To: <48B2FE79.8060709@sgi.com>
> > + int node = numa_node_id();
> > + struct zone *zones = NODE_DATA(node)->node_zones;
> > + int num_cpus_on_node;
> > + node_to_cpumask_ptr(cpumask_on_node, node);
> >
> > node_free_pages =
> > #ifdef CONFIG_ZONE_DMA
> > @@ -38,6 +41,10 @@ static unsigned long max_pages(unsigned
> > zone_page_state(&zones[ZONE_NORMAL], NR_FREE_PAGES);
> >
> > max = node_free_pages / FRACTION_OF_NODE_MEM;
> > +
> > + num_cpus_on_node = cpus_weight_nr(*cpumask_on_node);
> > + max /= num_cpus_on_node;
> > +
> > return max(max, min_pages);
>
> Exactly! And (many thanks to them!) the sparc maintainers have
> implemented a similar internal function definition for node_to_cpumask_ptr().
Can I think get your Ack?
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next prev parent reply other threads:[~2008-08-25 23:33 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-20 11:05 [RFC][PATCH 0/2] Quicklist is slighly problematic KOSAKI Motohiro
2008-08-20 11:07 ` [RFC][PATCH 1/2] Show quicklist at meminfo KOSAKI Motohiro
2008-08-20 18:35 ` Andrew Morton
2008-08-21 7:36 ` KOSAKI Motohiro
2008-08-22 1:05 ` KOSAKI Motohiro
2008-08-22 4:28 ` Andrew Morton
2008-08-22 13:23 ` Robin Holt
2008-08-22 13:56 ` Christoph Lameter
2008-08-23 8:24 ` KOSAKI Motohiro
2008-08-24 5:29 ` Andrew Morton
2008-08-20 11:08 ` [RFC][PATCH 2/2] quicklist shouldn't be proportional to # of CPUs KOSAKI Motohiro
2008-08-20 15:27 ` Christoph Lameter
2008-08-21 6:46 ` Andrew Morton
2008-08-21 7:13 ` David Miller, Andrew Morton
2008-08-21 7:18 ` KOSAKI Motohiro
2008-08-21 7:27 ` Andrew Morton
2008-08-21 7:31 ` KOSAKI Motohiro
2008-08-21 9:32 ` Peter Zijlstra
2008-08-21 10:04 ` KOSAKI Motohiro
2008-08-21 10:09 ` David Miller, KOSAKI Motohiro
2008-08-21 10:13 ` KOSAKI Motohiro
2008-08-21 10:26 ` David Miller, KOSAKI Motohiro
2008-08-21 10:22 ` KOSAKI Motohiro
2008-08-21 12:02 ` KOSAKI Motohiro
2008-08-25 18:48 ` Mike Travis
2008-08-25 23:33 ` KOSAKI Motohiro [this message]
2008-08-26 20:35 ` Mike Travis
2008-08-25 18:44 ` Mike Travis
2008-08-25 18:40 ` Mike Travis
2008-08-25 23:31 ` KOSAKI Motohiro
2008-08-20 14:10 ` [RFC][PATCH 0/2] Quicklist is slighly problematic Christoph Lameter
2008-08-20 14:49 ` KOSAKI Motohiro
2008-08-20 15:26 ` Christoph Lameter
2008-08-21 2:13 ` Robin Holt
2008-08-21 2:16 ` Robin Holt
2008-08-21 3:08 ` David Miller, Robin Holt
2008-08-21 13:10 ` Christoph Lameter
2008-08-20 18:31 ` Andrew Morton
2008-08-21 2:42 ` Robin Holt
2008-08-21 13:07 ` Christoph Lameter
2008-08-21 13:14 ` Robin Holt
2008-08-21 13:18 ` Christoph Lameter
2008-08-21 13:45 ` Robin Holt
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