On Tue, Jul 30, 2019 at 08:52:00AM +0300, Christoph Hellwig wrote: > We only need the special pud_entry walker if PUD-sized hugepages and > pte mappings are supported, else the common pagewalk code will take > care of the iteration. Not implementing this callback reduced the > amount of code compiled for non-x86 platforms, and also fixes compile > failures with other architectures when helpers like pud_pfn are not > implemented. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > mm/hmm.c | 29 ++++++++++++++++------------- > 1 file changed, 16 insertions(+), 13 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> Jason
