From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH 2.6.24-rc3-mm1] IPC: consolidate sem_exit_ns(), msg_exit_ns and shm_exit_ns() Date: Mon, 26 Nov 2007 22:44:38 -0800 Message-ID: <20071126224438.df547263.akpm@linux-foundation.org> References: <20071123175250.0f584913.pierre.peiffer@bull.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20071123175250.0f584913.pierre.peiffer@bull.net> Sender: linux-kernel-owner@vger.kernel.org To: Pierre Peiffer Cc: linux-kernel@vger.kernel.org, containers@lists.osdl.org List-Id: containers.vger.kernel.org On Fri, 23 Nov 2007 17:52:50 +0100 Pierre Peiffer wrote: > sem_exit_ns(), msg_exit_ns() and shm_exit_ns() are all called when an ipc_namespace is > released to free all ipcs of each type. > But in fact, they do the same thing: they loop around all ipcs to free them > individually by calling a specific routine. > > This patch proposes to consolidate this by introducing a common function, free_ipcs(), > that do the job. The specific routine to call on each individual ipcs is passed as > parameter. For this, these ipc-specific 'free' routines are reworked to take a > generic 'struct ipc_perm' as parameter. This conflicts in more-than-trivial ways with Pavel's move-the-ipc-namespace-under-ipc_ns-option.patch, which was in 2.6.24-rc3-mm1.