---
 Makefile.am                    |    4 ++++
 rules/80-hotplug-cpu-mem.rules |   12 ++++++++++++
 2 files changed, 16 insertions(+)

Index: systemd-221/Makefile.am
===================================================================
--- systemd-221.orig/Makefile.am
+++ systemd-221/Makefile.am
@@ -3841,6 +3841,10 @@ dist_udevrules_DATA += \
 	rules/73-seat-numlock.rules
 
 # ------------------------------------------------------------------------------
+dist_udevrules_DATA += \
+	rules/80-hotplug-cpu-mem.rules
+
+# ------------------------------------------------------------------------------
 mtd_probe_SOURCES =  \
 	src/udev/mtd_probe/mtd_probe.c \
 	src/udev/mtd_probe/mtd_probe.h \
Index: systemd-221/rules/80-hotplug-cpu-mem.rules
===================================================================
--- /dev/null
+++ systemd-221/rules/80-hotplug-cpu-mem.rules
@@ -0,0 +1,12 @@
+# do not edit this file, it will be overwritten on update
+
+# Hotplug physical CPU
+SUBSYSTEM=="cpu", ACTION=="add", TEST=="online", ATTR{online}=="0", \
+ ATTR{online}="1"
+
+# Hotplug physical memory
+SUBSYSTEM=="memory", ACTION=="add", TEST=="state", ATTR{state}=="offline", \
+ ATTR{state}="online", TAG+="tmpfs"
+
+#
+TAG=="tmpfs", RUN+="/usr/lib/udev/remount-tmpfs"