add selectable compression algorithm

1 files changed, 3 insertions, 0 deletions

diff --git a/zramctrl b/zramctrl
index 7851d44316e5..4e328a0db43c 100755
--- a/zramctrl
+++ b/zramctrl
@@ -11,6 +11,9 @@ start() {
   (( MEM_TOTAL= `cat /proc/meminfo|grep MemTotal|awk '{print $2}'` * 1024 ))
   (( MEM= MEM_TOTAL * $ZRAM_SIZE_PERCENT / 100 ))
   modprobe zram
+  if [ -n "$ZRAM_COMPRESSION_ALGO" ]; then
+    echo "$ZRAM_COMPRESSION_ALGO" > /sys/block/zram0/comp_algorithm
+  fi
   echo $MEM > /sys/block/zram0/disksize
   mkswap /dev/zram0 -L zram0
   swapon -p 100 /dev/zram0