On Tue, May 28, 2019 at 02:46:59PM +0100, Robin Murphy wrote: > In order for things like get_user_pages() to work on ZONE_DEVICE memory, > we need a software PTE bit to identify device-backed PFNs. Hook this up > along with the relevant helpers to join in with ARCH_HAS_PTE_DEVMAP. > > Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx> > --- > > Fix to build correctly under all combinations of > CONFIG_PGTABLE_LEVELS and CONFIG_TRANSPARENT_HUGEPAGE. > > arch/arm64/Kconfig | 1 + > arch/arm64/include/asm/pgtable-prot.h | 1 + > arch/arm64/include/asm/pgtable.h | 21 +++++++++++++++++++++ > 3 files changed, 23 insertions(+) Acked-by: Will Deacon <will.deacon@xxxxxxx> Andrew -- please can you update the previous version of this patch, which I think you picked up? Thanks, Will
