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-rw-r--r--mm/Kconfig21
1 files changed, 16 insertions, 5 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 989f8f3d77e0..b0432b71137d 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -192,6 +192,22 @@ config MEMORY_HOTPLUG_SPARSE
def_bool y
depends on SPARSEMEM && MEMORY_HOTPLUG
+config MEMORY_HOTPLUG_DEFAULT_ONLINE
+ bool "Online the newly added memory blocks by default"
+ default n
+ depends on MEMORY_HOTPLUG
+ help
+ This option sets the default policy setting for memory hotplug
+ onlining policy (/sys/devices/system/memory/auto_online_blocks) which
+ determines what happens to newly added memory regions. Policy setting
+ can always be changed at runtime.
+ See Documentation/memory-hotplug.txt for more information.
+
+ Say Y here if you want all hot-plugged memory blocks to appear in
+ 'online' state by default.
+ Say N here if you want the default policy to keep all hot-plugged
+ memory blocks in 'offline' state.
+
config MEMORY_HOTREMOVE
bool "Allow for memory hot remove"
select MEMORY_ISOLATION
@@ -268,11 +284,6 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION
config PHYS_ADDR_T_64BIT
def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT
-config ZONE_DMA_FLAG
- int
- default "0" if !ZONE_DMA
- default "1"
-
config BOUNCE
bool "Enable bounce buffers"
default y