From: Nick Piggin <nickpiggin@yahoo.com.au>
To: "David S. Miller" <davem@davemloft.net>
Cc: Linux-Kernel@vger.kernel.org, linux-mm@kvack.org,
paul.mckenney@us.ibm.com, wfg@mail.ustc.edu.cn
Subject: Re: [RFC] lockless radix tree readside
Date: Tue, 06 Dec 2005 16:48:12 +1100 [thread overview]
Message-ID: <4395261C.8000907@yahoo.com.au> (raw)
In-Reply-To: <20051205.191153.19905732.davem@davemloft.net>
David S. Miller wrote:
> From: Nick Piggin <nickpiggin@yahoo.com.au>
> Date: Tue, 06 Dec 2005 12:40:56 +1100
>
>
>>I realise that radix-tree.c isn't a trivial bit of code so I don't
>>expect reviews to be forthcoming, but if anyone had some spare time
>>to glance over it that would be great.
>
>
> I went over this a few times and didn't find any obvious
> problems with the RCU aspect of this.
>
Thanks!
>
>>Is my given detail of the implementation clear? Sufficient? Would
>>diagrams be helpful?
>
>
> If I were to suggest an ascii diagram for a comment, it would be
> one which would show the height invariant this patch takes advantage
> of.
>
I'll see if I can make something reasonably descriptive. And possibly
another diagram to show the node insertion concurrency cases vs lookup.
These things are the main concepts to understand, so I agree diagrams
might be helpful.
Nick
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
WARNING: multiple messages have this Message-ID (diff)
From: Nick Piggin <nickpiggin@yahoo.com.au>
To: "David S. Miller" <davem@davemloft.net>
Cc: Linux-Kernel@Vger.Kernel.ORG, linux-mm@kvack.org,
paul.mckenney@us.ibm.com, wfg@mail.ustc.edu.cn
Subject: Re: [RFC] lockless radix tree readside
Date: Tue, 06 Dec 2005 16:48:12 +1100 [thread overview]
Message-ID: <4395261C.8000907@yahoo.com.au> (raw)
In-Reply-To: <20051205.191153.19905732.davem@davemloft.net>
David S. Miller wrote:
> From: Nick Piggin <nickpiggin@yahoo.com.au>
> Date: Tue, 06 Dec 2005 12:40:56 +1100
>
>
>>I realise that radix-tree.c isn't a trivial bit of code so I don't
>>expect reviews to be forthcoming, but if anyone had some spare time
>>to glance over it that would be great.
>
>
> I went over this a few times and didn't find any obvious
> problems with the RCU aspect of this.
>
Thanks!
>
>>Is my given detail of the implementation clear? Sufficient? Would
>>diagrams be helpful?
>
>
> If I were to suggest an ascii diagram for a comment, it would be
> one which would show the height invariant this patch takes advantage
> of.
>
I'll see if I can make something reasonably descriptive. And possibly
another diagram to show the node insertion concurrency cases vs lookup.
These things are the main concepts to understand, so I agree diagrams
might be helpful.
Nick
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
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next prev parent reply other threads:[~2005-12-06 5:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-06 1:40 [RFC] lockless radix tree readside Nick Piggin
2005-12-06 3:11 ` David S. Miller
2005-12-06 3:11 ` David S. Miller, Nick Piggin
2005-12-06 5:48 ` Nick Piggin [this message]
2005-12-06 5:48 ` Nick Piggin
2005-12-06 15:53 ` Joe Seigh
2005-12-06 22:36 ` Nick Piggin
2005-12-06 22:36 ` Nick Piggin
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