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;
On Thu, 31 Mar 2011 18:02:41 +0200, Dave Hansen wrote:
Holy cow, that's dense. Is there really no more straightforward way to
do that?
Which part exactly is dense? What would be qualify as a more
straightforward way?
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.
I don't think that's the case. Even if WARN_ON() decides not to print
a warning, it will still return the value of the argument. If not,
a lot of code will brake.
--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michal "mina86" Nazarewicz (o o)
ooo +-----<email/xmpp: mnazarewicz@xxxxxxxxxx>-----ooO--(_)--Ooo--
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