From 91cfb2b4b57816de0c96de417b3238249f0b125f Mon Sep 17 00:00:00 2001
From: Nadia Derbey <Nadia.Derbey@bull.net>
Date: Tue, 29 Apr 2008 01:00:44 -0700
Subject: [PATCH] ipc: do not recompute msgmni anymore if explicitly set by
 user

Make msgmni not recomputed anymore upon ipc namespace creation / removal or
memory add/remove, as soon as it has been set from userland.

As soon as msgmni is explicitly set via procfs or sysctl(), the associated
callback routine is unregistered from the ipc namespace notifier chain.

Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: Mingming Cao <cmm@us.ibm.com>
Cc: Pierre Peiffer <pierre.peiffer@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
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