--- a/usr/lib/initcpio/init_functions
+++ b/usr/lib/initcpio/init_functions
@@ -1,4 +1,14 @@
 #!/usr/bin/ash
+
+# Pre-mount /run for s390x systems without CONFIG_TMPFS
+premount_run_ramfs() {
+    if [ ! -d /new_root/run ]; then
+        mkdir -p /new_root/run
+    fi
+    # Use ramfs instead of tmpfs due to kernel limitations
+    mount -t ramfs -o mode=755,nodev,nosuid ramfs /new_root/run
+}
+
 # This file contains common functions used in init and in hooks
 
 msg() {
--- a/usr/lib/initcpio/init
+++ b/usr/lib/initcpio/init
@@ -84,6 +84,10 @@ if [ -n "$earlymodules$MODULES" ]; then
     fi
 fi
 
+# Pre-mount /run using ramfs for s390x systems without CONFIG_TMPFS
+msg ":: Pre-mounting /run with ramfs for systemd compatibility"
+premount_run_ramfs
+
 msg ":: running hook [udev]"
 run_hookfunctions 'run_earlyhook' 'early hook' $EARLYHOOKS