linux-kernel - Re: [LTP] [PATCH 1/8] Scaling msgmni to the amount of lowmem

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Message-ID: <47BD705A.9020309@bull.net>
Date:	Thu, 21 Feb 2008 13:36:42 +0100
From:	Nadia Derbey <Nadia.Derbey@...l.net>
To:	Matt Helsley <matthltc@...ibm.com>
Cc:	subrata@...ux.vnet.ibm.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	ltp-list@...ts.sourceforge.net,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, cmm@...ibm.com,
	y-goto@...fujitsu.com
Subject: Re: [LTP] [PATCH 1/8] Scaling msgmni to the amount of lowmem

Matt Helsley wrote:
> On Tue, 2008-02-19 at 18:16 +0100, Nadia Derbey wrote:
> 
> <snip>
> 
>>+#define MAX_MSGQUEUES  16      /* MSGMNI as defined in linux/msg.h */
>>+
> 
> 
> It's not quite the maximum anymore, is it? More like the minumum
> maximum ;). A better name might better document what the test is
> actually trying to do.
> 
> One question I have is whether the unpatched test is still valuable.
> Based on my limited knowledge of the test I suspect it's still a correct
> test of message queues. If so, perhaps renaming the old test (so it's
> not confused with a performance regression) and adding your patched
> version is best?
> 

So, here's the new patch based on Matt's points.

Subrata, it has to be applied on top of the original ltp-full-20080131. 
Please tell me if you'd prefer one based on the merged version you've 
got (i.e. with my Tuesday patch applied).

Regards,
Nadia
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