Fix num_devices:Number of zram devices - has uint type(max 32). This …

…commit add min(ncpu,32) to calc cpu count function

zramstart

@@ -1,6 +1,7 @@
 #!/bin/sh
 
 num_cpus=$(nproc)
+num_cpus=$(($num_cpus<32?$num_cpus:32))
 [ "$num_cpus" != 0 ] || num_cpus=1
 
 last_cpu=$((num_cpus - 1))