diff --git a/conf/init.zuma.rc b/conf/init.zuma.rc
index a95044bc..437b9b08 100644
--- a/conf/init.zuma.rc
+++ b/conf/init.zuma.rc
@@ -119,6 +119,9 @@ on init
     write /sys/block/zram0/comp_algorithm lz77eh
     write /proc/sys/vm/page-cluster 0
 
+    # adjust PCP high level
+    write /proc/sys/vm/percpu_pagelist_high_fraction 430
+
     # Some user code relies on ro.boot.hardware.revision
     setprop ro.boot.hardware.revision ${ro.revision}