| | Subject | Re: [PATCH 24/38] move round_up/down to kernel.h | | From | Joe Perches <> | | Date | Fri, 22 Jan 2010 11:28:32 -0800 |
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On Fri, 2010-01-22 at 08:52 -0600, Christoph Lameter wrote: > On Fri, 22 Jan 2010, Yinghai Lu wrote: > > +#define __round_mask(x,y) ((__typeof__(x))((y)-1)) > > +#define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1) > > +#define round_down(x,y) ((x) & ~__round_mask(x,y)) > s/round/round_power2/
s/round/round_power_of_2/ BUILD_BUG_ON_NOT_POWER_OF_2
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