diff --git a/config-x86_64-generic b/config-x86_64-generic
index 99205710e..de4b762ef 100644
--- a/config-x86_64-generic
+++ b/config-x86_64-generic
@@ -89,7 +89,8 @@ CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_EXTREME=y
 CONFIG_SPARSEMEM_VMEMMAP=y
 # CONFIG_MOVABLE_NODE is not set
-# CONFIG_MEMORY_HOTPLUG is not set
+CONFIG_MEMORY_HOTPLUG=y
+# CONFIG_ARCH_MEMORY_PROBE is not set
 # CONFIG_MEMORY_HOTREMOVE is not set
 
 # CONFIG_BLK_DEV_CMD640 is not set
diff --git a/kernel.spec b/kernel.spec
index b716a4cdd..3f991ebc1 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -2190,6 +2190,7 @@ fi
 #                                    ||     ||
 %changelog
 * Wed Dec 18 2013 Josh Boyer <jwboyer@fedoraproject.org>
+- Reenable MEMORY_HOTPLUG on x86_64
 - Fix nowatchdog-on-virt.patch to actually work in KVM guests
 
 * Tue Dec 17 2013 Josh Boyer <jwboyer@fedoraproject.org> - 3.13.0-0.rc4.git1.1