On Tue, Feb 24, 2015 at 02:17:46PM -0800, Danesh Petigara wrote: > The CMA aligned offset calculation is incorrect for > non-zero order_per_bit values. > > For example, if cma->order_per_bit=1, cma->base_pfn= > 0x2f800000 and align_order=12, the function returns > a value of 0x17c00 instead of 0x400. > > This patch fixes the CMA aligned offset calculation. > > Cc: [email protected] > Signed-off-by: Danesh Petigara <[email protected]> > Reviewed-by: Gregory Fong <[email protected]> > Acked-by: Michal Nazarewicz <[email protected]> > --- > Changes since v1: > - moved comment out of function > - removed unused 'alignment' variable > > v1: https://lkml.org/lkml/2015/2/24/598 >
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