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-rw-r--r--mm/Kconfig6
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index beb7a455915d..790e52a8a486 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -683,12 +683,16 @@ config IDLE_PAGE_TRACKING
See Documentation/vm/idle_page_tracking.txt for more details.
+# arch_add_memory() comprehends device memory
+config ARCH_HAS_ZONE_DEVICE
+ bool
+
config ZONE_DEVICE
bool "Device memory (pmem, etc...) hotplug support"
depends on MEMORY_HOTPLUG
depends on MEMORY_HOTREMOVE
depends on SPARSEMEM_VMEMMAP
- depends on X86_64 #arch_add_memory() comprehends device memory
+ depends on ARCH_HAS_ZONE_DEVICE
help
Device memory hotplug support allows for establishing pmem,
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