[POWERPC] Enable hotplug memory remove for 64-bit powerpc

Enable hotplug memory remove for ppc64.

Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 8dcac0b..d55063c 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -272,6 +272,9 @@ config HOTPLUG_CPU
 config ARCH_ENABLE_MEMORY_HOTPLUG
        def_bool y
 
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+       def_bool y
+
 config KEXEC
        bool "kexec system call (EXPERIMENTAL)"
        depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL