diff --git a/rootdir/bin/init.blair.post_boot.sh b/rootdir/bin/init.blair.post_boot.sh
index 6a77403..23195f4 100644
--- a/rootdir/bin/init.blair.post_boot.sh
+++ b/rootdir/bin/init.blair.post_boot.sh
@@ -19,3 +19,7 @@ echo 128 > /sys/block/dm-6/queue/read_ahead_kb
 echo 128 > /sys/block/dm-7/queue/read_ahead_kb
 echo 128 > /sys/block/dm-8/queue/read_ahead_kb
 echo 128 > /sys/block/dm-9/queue/read_ahead_kb
+
+# cpuset
+echo 0-3 > /dev/cpuset/background/cpus
+echo 0-3 > /dev/cpuset/system-background/cpus