On 03/24/10 00:32, Peter Zijlstra wrote:
> 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];
>
Yeah, sorry.
And is there reason that the statement is not
&curr->held_locks[i];
but
prev = curr->held_locks + i;
?
Of course, curr->held_locks + i style statement causes no problem.
But I had a little interest in the selection of style.
Do you know the reason?
Thanks,
Hitoshi