Re: [PATCH] mm: fix dubious code in __count_immobile_pages()

From: Minchan Kim
Date: Thu Feb 17 2011 - 21:26:31 EST


On Fri, Feb 18, 2011 at 10:46 AM, Namhyung Kim <namhyung@xxxxxxxxx> wrote:
> When pfn_valid_within() failed 'iter' was incremented twice.
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>

Nitpick.

I am not sure it's best. I don't like below trick.
iter += (1 << page_order(page)) - 1;

So we can change for loop with while as removing -1 trick of PageBuddy.
But if you don't like it, I don't mind it. :)

Thanks!

--
Kind regards,
Minchan Kim
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