config MIGRATE_VMA_HELPER
bool
+config DEV_PAGEMAP_OPS
+ bool
+
config HMM
bool
select MIGRATE_VMA_HELPER
bool "Unaddressable device memory (GPU memory, ...)"
depends on ARCH_HAS_HMM
select HMM
+ select DEV_PAGEMAP_OPS
help
Allows creation of struct pages to represent unaddressable device
bool "Addressable device memory (like GPU memory)"
depends on ARCH_HAS_HMM
select HMM
+ select DEV_PAGEMAP_OPS
help
Allows creation of struct pages to represent addressable device
performance of get_user_pages_fast().
See tools/testing/selftests/vm/gup_benchmark.c
+
+config ARCH_HAS_PTE_SPECIAL
+ bool