linux-kernel - Re: [PATCH RFC 00/11] lock monitor: Separate features related to lock

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Date:	Tue, 23 Mar 2010 16:32:40 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Jason Baron <jbaron@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	linux-kernel@...r.kernel.org, h.mitake@...il.com,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [PATCH RFC 00/11] lock monitor: Separate features related to
 lock

On Sat, 2010-03-20 at 17:23 +0900, Hitoshi Mitake wrote:
> In lockdep, held_locks of task_struct are accessed this arithmetical way
>                 prev = curr->held_locks + i;
> Of course this is valid way, but I feel it is more simple and natural way
>                 prev = curr->held_locks[i];
> 

The latter is a type mis-match, an equivalent expression would be:
   &curr->held_locks[i];
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