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-rw-r--r--mm/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 9b8fccb969dc..4aff67e042f1 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -690,6 +690,7 @@ config ZONE_DEVICE
depends on MEMORY_HOTREMOVE
depends on SPARSEMEM_VMEMMAP
depends on X86_64 #arch_add_memory() comprehends device memory
+ select RADIX_TREE_MULTIORDER
help
Device memory hotplug support allows for establishing pmem,