On Thu, 2011-03-31 at 15:16 +0200, Marek Szyprowski wrote:
> + ret = 0;
> + while (!PageBuddy(pfn_to_page(start & (~0UL << ret))))
> + if (WARN_ON(++ret >= MAX_ORDER))
> + return -EINVAL;
Holy cow, that's dense. Is there really no more straightforward way to
do that?
In any case, please pull the ++ret bit out of the WARN_ON(). Some
people like to do:
#define WARN_ON(...) do{}while(0)
to save space on some systems.
-- Dave
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