Commit e3571859 authored by Giacomo Sanchietti's avatar Giacomo Sanchietti
Browse files

zramstart: support x86_64

LZ4 algorithm is not supported on current CentOS kernel
parent 3ded1a20
......@@ -12,8 +12,15 @@ zram_size=$((${mem_total} / ${factor} /1024))
# zram in recent kernels is multitreaded so we don't need to balance across CPUs
modprobe -q zram num_devices=1
# Lz4 is not supported on CentOS kernel for x86_64
arch=$(uname -m)
if [ "$arch" == "x86_64" ]; then
# Create ZRAM with first device, lz4 algorithm
zramdev=$(zramctl --find --algorithm lz4 --size ${zram_size}MB 2>&1)
zramdev=$(zramctl --find --algorithm $algorithm --size ${zram_size}MB 2>&1)
# The above returns the device. Use it below
mkswap $zramdev
swapon $zramdev
......@@ -21,4 +28,10 @@ swapon $zramdev
# Investigate this and swapiness
# echo 0 > /proc/sys/vm/page-cluster
echo -e "\nActivated ZRAM swap device of ${zram_size} MB\n"
if [ $? -gt 0 ]; then
echo -e "\nError during $zramdev activation!\n"
exit 1
echo -e "\nActivated ZRAM swap device of ${zram_size} MB\n"
exit 0
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