From: "Serge E. Hallyn" <serue@us.ibm.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: akpm@linux-foundation.org, containers@lists.linux-foundation.org,
xemul@parallels.com, dave@linux.vnet.ibm.com, mingo@elte.hu,
orenl@cs.columbia.edu, hch@infradead.org,
torvalds@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 03/30] ipcns: remove useless get/put while CLONE_NEWIPC
Date: Fri, 10 Apr 2009 10:19:34 -0500 [thread overview]
Message-ID: <20090410151934.GA16027@us.ibm.com> (raw)
In-Reply-To: <20090410023335.GD27788@x200.localdomain>
Quoting Alexey Dobriyan (adobriyan@gmail.com):
> copy_ipcs() doesn't actually copy anything. If new ipcns is created,
> it's created from scratch, in this case get/put on old ipcns isn't needed.
>
> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Yeah, I like this change just for the diffstat.
Acked-by: Serge Hallyn <serue@us.ibm.com>
How about breaking these out from the c/r set?
thanks,
-serge
> ---
>
> ipc/namespace.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> --- a/ipc/namespace.c
> +++ b/ipc/namespace.c
> @@ -50,15 +50,11 @@ struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns)
> {
> struct ipc_namespace *new_ns;
>
> - BUG_ON(!ns);
> - get_ipc_ns(ns);
> -
> if (!(flags & CLONE_NEWIPC))
> - return ns;
> + return get_ipc_ns(ns);
>
> new_ns = clone_ipc_ns(ns);
>
> - put_ipc_ns(ns);
> return new_ns;
> }
prev parent reply other threads:[~2009-04-10 15:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-10 2:33 [PATCH 03/30] ipcns: remove useless get/put while CLONE_NEWIPC Alexey Dobriyan
2009-04-10 15:19 ` Serge E. Hallyn [this message]
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