linux-kernel - Re: [PATCH 3/3] net-dccp: Suppress warning about large allocations from DCCP

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Message-Id: <20090622.211927.245716932.davem@davemloft.net>
Date:	Mon, 22 Jun 2009 21:19:27 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	acme@...hat.com
Cc:	mel@....ul.ie, akpm@...ux-foundation.org, mingo@...e.hu,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	htd@...cy-poultry.org
Subject: Re: [PATCH 3/3] net-dccp: Suppress warning about large allocations
 from DCCP

From: Arnaldo Carvalho de Melo <acme@...hat.com>
Date: Mon, 22 Jun 2009 23:39:36 -0300

> Em Mon, Jun 22, 2009 at 04:15:02PM -0700, David Miller escreveu:
>> It's probably much more appropriate to make this stuff use
>> alloc_large_system_hash(), like TCP does (see net/ipv4/tcp.c
>> tcp_init()).
>> 
>> All of this complicated DCCP hash table size computation code will
>> simply disappear.  And it'll fix the warning too :-)
> 
> He mentioned that in the conversation that lead to this new patch
> series, problem is that alloc_large_system_hash is __init, so when you
> try to load dccp.ko it will not be available.

Fair enough.

It's such an unfortunate duplication of code, it's likely therefore
better to remove the __init tag and export that symbol.
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