linux-kernel - Re: [PATCH v2 8/9] rbtree: faster augmented rbtree manipulation

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Message-ID: <CANN689GbB5Rj3FmgP_RWj5EJVxJKBZS1WavZCKg0tuYR4vMZpg@mail.gmail.com>
Date:	Mon, 6 Aug 2012 14:34:26 -0700
From:	Michel Lespinasse <walken@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	riel@...hat.com, daniel.santos@...ox.com, aarcange@...hat.com,
	dwmw2@...radead.org, akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org
Subject: Re: [PATCH v2 8/9] rbtree: faster augmented rbtree manipulation

On Mon, Aug 6, 2012 at 7:25 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Thu, 2012-08-02 at 15:34 -0700, Michel Lespinasse wrote:
>> +struct rb_augment_callbacks {
>> +       void (*propagate)(struct rb_node *node, struct rb_node *stop);
>> +       void (*copy)(struct rb_node *old, struct rb_node *new);
>> +       void (*rotate)(struct rb_node *old, struct rb_node *new);
>> +};
>
> Should we make that const pointers? Daniel?

I don't think it would hurt, but note that each function taking this
as an argument takes it as a const struct rb_augment_callbacks *, so I
doubt the extra consts would help either.

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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