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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Christoph Lameter <clameter@sgi.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] nfs: fix congestion control
Date: Fri, 19 Jan 2007 18:54:36 +0100 [thread overview]
Message-ID: <1169229276.6197.150.camel@twins> (raw)
In-Reply-To: <1169225506.5775.15.camel@lade.trondhjem.org>
On Fri, 2007-01-19 at 11:51 -0500, Trond Myklebust wrote:
> > So with that out of the way I now have this
>
> Looks much better. Just one obvious buglet...
> > @@ -1565,6 +1579,23 @@ int __init nfs_init_writepagecache(void)
> > if (nfs_commit_mempool == NULL)
> > return -ENOMEM;
> >
> > + /*
> > + * NFS congestion size, scale with available memory.
> > + *
> > + * 64MB: 8192k
> > + * 128MB: 11585k
> > + * 256MB: 16384k
> > + * 512MB: 23170k
> > + * 1GB: 32768k
> > + * 2GB: 46340k
> > + * 4GB: 65536k
> > + * 8GB: 92681k
> > + * 16GB: 131072k
> > + *
> > + * This allows larger machines to have larger/more transfers.
> > + */
> > + nfs_congestion_size = 32*int_sqrt(totalram_pages);
> > +
> ^^^^^^^^^^^^^^^^^^^ nfs_congestion_pages?
Ah, yeah, forgot to refresh the patch one last time before sending
out :-(.
next prev parent reply other threads:[~2007-01-19 17:57 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-16 5:47 [RFC 0/8] Cpuset aware writeback Christoph Lameter
2007-01-16 5:47 ` [RFC 1/8] Convert higest_possible_node_id() into nr_node_ids Christoph Lameter
2007-01-16 22:05 ` Andi Kleen
2007-01-17 3:14 ` Christoph Lameter
2007-01-17 4:15 ` Andi Kleen
2007-01-17 4:23 ` Christoph Lameter
2007-01-16 5:47 ` [RFC 2/8] Add a map to inodes to track dirty pages per node Christoph Lameter
2007-01-16 5:47 ` [RFC 3/8] Add a nodemask to pdflush functions Christoph Lameter
2007-01-16 5:48 ` [RFC 4/8] Per cpuset dirty ratio handling and writeout Christoph Lameter
2007-01-16 5:48 ` [RFC 5/8] Make writeout during reclaim cpuset aware Christoph Lameter
2007-01-16 22:07 ` Andi Kleen
2007-01-17 4:20 ` Paul Jackson
2007-01-17 4:28 ` Andi Kleen
2007-01-17 4:36 ` Paul Jackson
2007-01-17 5:59 ` Andi Kleen
2007-01-17 6:19 ` Christoph Lameter
2007-01-17 4:23 ` Christoph Lameter
2007-01-16 5:48 ` [RFC 6/8] Throttle vm writeout per cpuset Christoph Lameter
2007-01-16 5:48 ` [RFC 7/8] Exclude unreclaimable pages from dirty ration calculation Christoph Lameter
2007-01-18 15:48 ` Nikita Danilov
2007-01-18 19:56 ` Christoph Lameter
2007-01-16 5:48 ` [RFC 8/8] Reduce inode memory usage for systems with a high MAX_NUMNODES Christoph Lameter
2007-01-16 19:52 ` Paul Menage
2007-01-16 20:00 ` Christoph Lameter
2007-01-16 20:06 ` Paul Menage
2007-01-16 20:51 ` Christoph Lameter
2007-01-16 7:38 ` [RFC 0/8] Cpuset aware writeback Peter Zijlstra
2007-01-16 20:10 ` Christoph Lameter
2007-01-16 9:25 ` Paul Jackson
2007-01-16 17:13 ` Christoph Lameter
2007-01-16 21:53 ` Andrew Morton
2007-01-16 22:08 ` [PATCH] nfs: fix congestion control Peter Zijlstra
2007-01-16 22:27 ` Trond Myklebust
2007-01-17 2:41 ` Peter Zijlstra
2007-01-17 6:15 ` Trond Myklebust
2007-01-17 8:49 ` Peter Zijlstra
2007-01-17 13:50 ` Trond Myklebust
2007-01-17 14:29 ` Peter Zijlstra
2007-01-17 14:45 ` Trond Myklebust
2007-01-17 20:05 ` Christoph Lameter
2007-01-17 21:52 ` Peter Zijlstra
2007-01-17 21:54 ` Trond Myklebust
2007-01-18 13:27 ` Peter Zijlstra
2007-01-18 15:49 ` Trond Myklebust
2007-01-19 9:33 ` Peter Zijlstra
2007-01-19 13:07 ` Peter Zijlstra
2007-01-19 16:51 ` Trond Myklebust
2007-01-19 17:54 ` Peter Zijlstra [this message]
2007-01-19 17:20 ` Christoph Lameter
2007-01-19 17:57 ` Peter Zijlstra
2007-01-19 18:02 ` Christoph Lameter
2007-01-19 18:26 ` Trond Myklebust
2007-01-19 18:27 ` Christoph Lameter
2007-01-20 7:01 ` [PATCH] nfs: fix congestion control -v3 Peter Zijlstra
2007-01-22 16:12 ` Trond Myklebust
2007-01-25 15:32 ` [PATCH] nfs: fix congestion control -v4 Peter Zijlstra
2007-01-26 5:02 ` Andrew Morton
2007-01-26 8:00 ` Peter Zijlstra
2007-01-26 8:50 ` Peter Zijlstra
2007-01-26 5:09 ` Andrew Morton
2007-01-26 5:31 ` Christoph Lameter
2007-01-26 6:04 ` Andrew Morton
2007-01-26 6:53 ` Christoph Lameter
2007-01-26 8:03 ` Peter Zijlstra
2007-01-26 8:51 ` Andrew Morton
2007-01-26 9:01 ` Peter Zijlstra
2007-02-20 12:59 ` Peter Zijlstra
2007-01-22 17:59 ` [PATCH] nfs: fix congestion control -v3 Christoph Lameter
2007-01-17 23:15 ` [PATCH] nfs: fix congestion control Christoph Hellwig
2007-01-16 22:15 ` [RFC 0/8] Cpuset aware writeback Christoph Lameter
2007-01-16 23:40 ` Andrew Morton
2007-01-17 0:16 ` Christoph Lameter
2007-01-17 1:07 ` Andrew Morton
2007-01-17 1:30 ` Christoph Lameter
2007-01-17 2:34 ` Andrew Morton
2007-01-17 3:40 ` Christoph Lameter
2007-01-17 4:02 ` Paul Jackson
2007-01-17 4:05 ` Andrew Morton
2007-01-17 6:27 ` Christoph Lameter
2007-01-17 7:00 ` Andrew Morton
2007-01-17 8:01 ` Paul Jackson
2007-01-17 9:57 ` Andrew Morton
2007-01-17 19:43 ` Christoph Lameter
2007-01-17 22:10 ` Andrew Morton
2007-01-18 1:10 ` Christoph Lameter
2007-01-18 1:25 ` Andrew Morton
2007-01-18 5:21 ` Christoph Lameter
2007-01-16 23:44 ` David Chinner
2007-01-16 22:01 ` Andi Kleen
2007-01-16 22:18 ` Christoph Lameter
2007-02-02 1:38 ` Ethan Solomita
2007-02-02 2:16 ` Christoph Lameter
2007-02-02 4:03 ` Andrew Morton
2007-02-02 5:29 ` Christoph Lameter
2007-02-02 6:02 ` Neil Brown
2007-02-02 6:17 ` Christoph Lameter
2007-02-02 6:41 ` Neil Brown
2007-02-02 7:12 ` Andrew Morton
2007-03-21 21:11 ` Ethan Solomita
2007-03-21 21:29 ` Christoph Lameter
2007-03-21 21:52 ` Andrew Morton
2007-03-21 21:57 ` Christoph Lameter
2007-04-19 2:07 ` Ethan Solomita
2007-04-19 2:55 ` Christoph Lameter
2007-04-19 7:52 ` Ethan Solomita
2007-04-19 16:03 ` Christoph Lameter
2007-04-21 1:37 ` Ethan Solomita
2007-04-21 1:48 ` Christoph Lameter
2007-04-21 8:15 ` Ethan Solomita
2007-04-21 15:40 ` Christoph Lameter
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