linux-kernel - Re: [PATCH 6/6] memcg, slab: RCU protect memcg

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Message-ID: <20131219100615.GD10855@dhcp22.suse.cz>
Date:	Thu, 19 Dec 2013 11:06:15 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	Vladimir Davydov <vdavydov@...allels.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	cgroups@...r.kernel.org, devel@...nvz.org,
	Johannes Weiner <hannes@...xchg.org>,
	Glauber Costa <glommer@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 6/6] memcg, slab: RCU protect memcg_params for root caches

On Thu 19-12-13 13:47:33, Vladimir Davydov wrote:
[...]
> Yeah, you're right, this longs for a documentation. I'm going to check

We desparately need a documentation for the life cycle of all involved
objects and description of which locks are used at which stage. 

> this code a bit more and try to write a good comment about it (although
> I'm rather poor at writing comments :-( )

A nice diagram would do as well...

Thanks!
-- 
Michal Hocko
SUSE Labs
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