On 05/17/2013 06:29 PM, Dave Chinner wrote: > On Fri, May 17, 2013 at 05:40:43PM +0800, Jeff Liu wrote: >> Hi Michael, >> >> Are you compiling kernel on 32-bit system? >> >> Looks this issue is regarding 64-bit division at roundup() on 32-bit if so. > > roundup_64() is what you want, then. Yep, will take care of it. Thanks, -Jeff