Re: [rfc][patch] Avoid taking global tasklist_lock for single threadedprocess at getrusage()
From: Oleg Nesterov
Date: Thu Mar 23 2006 - 13:18:41 EST
Ravikiran G Thirumalai wrote:
> It looked suspicious to me until I realised sighand cache now had
> SLAB_DESTROY_BY_RCU. Can we please add comments (at cleanup_sighand or
> __exit_signal) to make it a bit clearer for people like me :)
Yes, this is really confusing, see also
I'll send a cleanup patch soon.
> How is the following patch to avoid tasklist lock completely at getrusage?
I think this patch is correct, thanks.
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