diff --git a/rootdir/bin/init.blair.post_boot.sh b/rootdir/bin/init.blair.post_boot.sh
index 23195f4..0a88015 100644
--- a/rootdir/bin/init.blair.post_boot.sh
+++ b/rootdir/bin/init.blair.post_boot.sh
@@ -21,5 +21,5 @@ 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 0-1 > /dev/cpuset/background/cpus
 echo 0-3 > /dev/cpuset/system-background/cpus