Re: __lock_task_sighand() and RCU

[Matt Fleming]

On Mon, 28 Mar 2011 15:36:02 +0200
Oleg Nesterov <oleg@xxxxxxxxxx> 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
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