This enables support for the new ZONE_DEVCICE on PPC_BOOK3S_64 platforms
which now accommodates device memory during memory hotplug operation.
Signed-off-by: Oliver O'Halloran <ooh...@gmail.com>
Signed-off-by: Anshuman Khandual <khand...@linux.vnet.ibm.com>
---
NOTE: We need to enable CONFIG_EXPERT first before attempting to enable
CONFIG_ZONE_DEVICE, which will work when all of it's dependent configs
are enabled.
mm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/Kconfig b/mm/Kconfig
index 989f8f3..8ecd869 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -654,7 +654,7 @@ config ZONE_DEVICE
depends on MEMORY_HOTPLUG
depends on MEMORY_HOTREMOVE
depends on SPARSEMEM_VMEMMAP
- depends on X86_64 #arch_add_memory() comprehends device memory
+ depends on (X86_64 || PPC_BOOK3S_64) #arch_add_memory() comprehends
device memory
help
Device memory hotplug support allows for establishing pmem,
--
1.9.3
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