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-rw-r--r--mm/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index e59cf5fe5ce9..0331f1461f81 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -983,9 +983,14 @@ config HMM_MIRROR
bool
depends on MMU
+config GET_FREE_REGION
+ depends on SPARSEMEM
+ bool
+
config DEVICE_PRIVATE
bool "Unaddressable device memory (GPU memory, ...)"
depends on ZONE_DEVICE
+ select GET_FREE_REGION
help
Allows creation of struct pages to represent unaddressable device