From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Anton Blanchard <anton@samba.org>, Andrew Morton <akpm@osdl.org>
Cc: Jack Steiner <steiner@sgi.com>,
jes@trained-monkey.org, viro@math.psu.edu, wli@holomorphy.com,
linux-kernel@vger.kernel.org, jbarnes@sgi.com
Subject: Re: hash table sizes
Date: Mon, 01 Dec 2003 14:57:52 -0800 [thread overview]
Message-ID: <113980000.1070319472@flay> (raw)
In-Reply-To: <20031201210601.GC22620@krispykreme>
>> It would be very nice to have some confirmation that the size of these
>> tables is being appropriately chosen, too. Maybe we should shrink 'em 32x
>> and see who complains...
>
> Why dont we just do node round robin allocations during boot? This
> should mean the static boot time hashes would at least end up on
> different nodes.
We could probably implement a generic striped allocate, which would
do a vmalloc or similar on 64 bit, and either the magic boottime
node-alloc hack, or just a straight node 0 alloc on 32 bit (ie use
vmalloc where needed, without crippling other platforms).
Someone had a patch to do round-robin already (Manfred?) - IMHO doing
it from the node with the most free mem each time would be better, if
we're not going to stripe.
> 0 248652
> 1 7374
...
but yes, that does look utterly screwed ;-)
M.
next prev parent reply other threads:[~2003-12-01 22:59 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-25 13:35 hash table sizes Jes Sorensen
2003-11-25 13:42 ` William Lee Irwin III
2003-11-25 13:54 ` Jes Sorensen
2003-11-25 16:25 ` Thomas Schlichter
2003-11-25 17:52 ` Antonio Vargas
2003-11-25 17:54 ` William Lee Irwin III
2003-11-25 20:48 ` Jack Steiner
2003-11-25 21:07 ` Andrew Morton
2003-11-25 21:14 ` Jesse Barnes
2003-11-25 21:24 ` Andrew Morton
2003-11-26 2:14 ` David S. Miller
2003-11-26 5:27 ` Matt Mackall
2003-11-28 14:15 ` Jes Sorensen
2003-11-28 14:52 ` Jack Steiner
2003-11-28 16:22 ` Jes Sorensen
2003-11-28 19:35 ` Jack Steiner
2003-11-28 21:18 ` Jörn Engel
2003-12-01 9:46 ` Jes Sorensen
2003-12-01 21:06 ` Anton Blanchard
2003-12-01 22:57 ` Martin J. Bligh [this message]
2003-11-25 21:16 ` Anton Blanchard
2003-11-25 23:11 ` Jack Steiner
2003-11-26 3:39 ` Rik van Riel
2003-11-26 3:59 ` William Lee Irwin III
2003-11-26 4:25 ` Andrew Morton
2003-11-26 4:23 ` William Lee Irwin III
2003-11-26 5:14 ` Martin J. Bligh
2003-11-26 9:51 ` William Lee Irwin III
2003-11-26 16:17 ` Martin J. Bligh
2003-11-26 7:25 ` Anton Blanchard
-- strict thread matches above, loose matches on Subject: below --
2003-11-26 5:53 Zhang, Yanmin
2003-11-29 10:39 Manfred Spraul
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