On Thu, May 29, 2025 at 04:32:08PM +1000, Alistair Popple wrote: > DAX was the only thing that created pmd_devmap and pud_devmap entries > however it no longer does as DAX pages are now refcounted normally and > pXd_trans_huge() returns true for those. Therefore checking both pXd_devmap > and pXd_trans_huge() is redundant and the former can be removed without > changing behaviour as it will always be false. > > Signed-off-by: Alistair Popple <apopple@xxxxxxxxxx> > --- > fs/dax.c | 5 ++--- > include/linux/huge_mm.h | 10 ++++------ > include/linux/pgtable.h | 2 +- > mm/hmm.c | 4 ++-- > mm/huge_memory.c | 30 +++++++++--------------------- > mm/mapping_dirty_helpers.c | 4 ++-- > mm/memory.c | 15 ++++++--------- > mm/migrate_device.c | 2 +- > mm/mprotect.c | 2 +- > mm/mremap.c | 5 ++--- > mm/page_vma_mapped.c | 5 ++--- > mm/pagewalk.c | 8 +++----- > mm/pgtable-generic.c | 7 +++---- > mm/userfaultfd.c | 4 ++-- > mm/vmscan.c | 3 --- > 15 files changed, 40 insertions(+), 66 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
