From: Matt Fleming <matt@console-pimps.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: __lock_task_sighand() and RCU
Date: Mon, 28 Mar 2011 16:04:46 +0100 [thread overview]
Message-ID: <20110328160446.4aeda49c@mfleming-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <20110328133602.GA8612@redhat.com>
On Mon, 28 Mar 2011 15:36:02 +0200
Oleg Nesterov <oleg@redhat.com> wrote:
> > But sighands aren't freed via
> > rcu,
>
> it is ;)
>
> > it's just a simple refcnt and kmem_cache_free()
>
> Yes, but please note that sighand_cachep was created with
> SLAB_DESTROY_BY_RCU.
D'oh. I knew it would be something obvious like that.
Thanks Oleg!
--
Matt Fleming, Intel Open Source Technology Center
prev parent reply other threads:[~2011-03-28 15:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 7:56 Matt Fleming
2011-03-28 13:36 ` Oleg Nesterov
2011-03-28 15:04 ` Matt Fleming [this message]
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