Say N if you are unsure.
+config ARCH_ENABLE_MEMORY_HOTPLUG
+ def_bool y
+
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
depends on PPC_MULTIPLATFORM && EXPERIMENTAL
source "arch/powerpc/Kconfig.debug"
+source "kernel/vserver/Kconfig"
+
source "security/Kconfig"
config KEYS_COMPAT