On Mon, Oct 3, 2011 at 12:24, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> On Sun, 2 Oct 2011 21:57:07 +0800
> Wei Yang <weiyang.kernel@xxxxxxxxx> wrote:
>
>> Dear experts,
>>
>> I am viewing the source code of __release_region() in kernel/resource.c.
>> And I have one comment for the performance issue.
>>
>> For example, we have a resource tree like this.
>> 10-89
>> 20-79
>> 30-49
>> 55-59
>> 60-64
>> 65-69
>> 80-89
>> 100-279
>>
>> If the caller wants to release a region of [50,59], the original code will
^^^^^^^
Do you really mean [50,59]?
I don't think that's allowed, as the tree has [55,59], so you would release a
larger region that allocated.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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