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From: Nadia Derbey <Nadia.Derbey@bull.net>
To: Matt Helsley <matthltc@us.ibm.com>
Cc: subrata@linux.vnet.ibm.com,
	Andrew Morton <akpm@linux-foundation.org>,
	ltp-list@lists.sourceforge.net,
	containers@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org, cmm@us.ibm.com,
	y-goto@jp.fujitsu.com
Subject: Re: [LTP] [PATCH 1/8] Scaling msgmni to the amount of lowmem
Date: Thu, 21 Feb 2008 13:36:42 +0100	[thread overview]
Message-ID: <47BD705A.9020309@bull.net> (raw)
In-Reply-To: <1203459418.7408.39.camel@localhost.localdomain>

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

  parent reply	other threads:[~2008-02-21 12:37 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-11 14:16 [PATCH 0/8] Change default MSGMNI tunable to scale with lowmem (v3) Nadia.Derbey
2008-02-11 14:16 ` [PATCH 1/8] Scaling msgmni to the amount of lowmem Nadia.Derbey
2008-02-16  5:59   ` Andrew Morton
2008-02-18  9:19     ` Nadia Derbey
2008-02-18 13:08       ` Nadia Derbey
2008-02-19  8:50         ` [LTP] " Subrata Modak
2008-02-19 17:16           ` Nadia Derbey
2008-02-19 22:16             ` Matt Helsley
2008-02-21  8:39               ` Nadia Derbey
2008-02-21 12:36               ` Nadia Derbey [this message]
2008-02-21 13:02                 ` Nadia Derbey
2008-02-21 13:39                   ` Subrata Modak
2008-02-22  6:25                     ` Nadia Derbey
2008-02-22  8:41                       ` Subrata Modak
2008-02-20  9:44             ` Subrata Modak
2008-04-29 20:28   ` Tony Luck
2008-05-05  8:45     ` Nadia Derbey
2008-05-06 16:42       ` Luck, Tony
2008-05-06 18:05         ` Serge E. Hallyn
2008-05-07  5:37           ` Nadia Derbey
2008-05-07 13:17             ` Serge E. Hallyn
2008-05-07 18:12               ` Matt Helsley
2008-05-07  5:13         ` Nadia Derbey
2008-02-11 14:16 ` [PATCH 2/8] Scaling msgmni to the number of ipc namespaces Nadia.Derbey
2008-02-11 14:16 ` [PATCH 3/8] Defining the slab_memory_callback priority as a constant Nadia.Derbey
2008-02-11 14:16 ` [PATCH 4/8] Recomputing msgmni on memory add / remove Nadia.Derbey
2008-02-11 14:16 ` [PATCH 5/8] Invoke the ipcns notifier chain as a work item Nadia.Derbey
2008-02-11 14:16 ` [PATCH 6/8] Recomputing msgmni on ipc namespace creation/removal Nadia.Derbey
2008-02-11 14:16 ` [PATCH 7/8] Do not recompute msgmni anymore if explicitely set by user Nadia.Derbey
2008-02-11 20:24   ` Andrew Morton
2008-02-12  9:32     ` Nadia Derbey
2008-02-12  9:44       ` Andrew Morton
2008-02-12 15:15         ` Nadia Derbey
2008-02-12 19:44           ` Andrew Morton
2008-02-14 11:47             ` Nadia Derbey
2008-02-12  9:45       ` Nadia Derbey
2008-02-11 14:16 ` [PATCH 8/8] Re-enable msgmni automatic recomputing msgmni if set to negative Nadia.Derbey
2008-02-11 20:27   ` Andrew Morton
2008-02-12 11:38     ` Nadia Derbey

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