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-rw-r--r--package/system/zram-swap/files/zram.init18
1 files changed, 18 insertions, 0 deletions
diff --git a/package/system/zram-swap/files/zram.init b/package/system/zram-swap/files/zram.init
index 63a20479d1..419221b1a3 100644
--- a/package/system/zram-swap/files/zram.init
+++ b/package/system/zram-swap/files/zram.init
@@ -69,6 +69,23 @@ zram_reset()
echo "1" >"$proc_entry"
}
+zram_comp_algo()
+{
+ local dev="$1"
+ local zram_comp_algo="$( uci -q get system.@system[0].zram_comp_algo )"
+
+ if [ -z "$zram_comp_algo" ] || [ ! -e /sys/block/$( basename $dev )/comp_algorithm ]; then
+ return 0
+ fi
+
+ if [ `grep -c "$zram_comp_algo" /sys/block/$( basename $dev )/comp_algorithm` -ne 0 ]; then
+ logger -s -t zram_comp_algo -p daemon.debug "Set compression algorithm '$zram_comp_algo' for zram '$dev'"
+ echo $zram_comp_algo > "/sys/block/$( basename $dev )/comp_algorithm"
+ else
+ logger -s -t zram_comp_algo -p daemon.debug "Compression algorithm '$zram_comp_algo' is not supported for '$dev'"
+ fi
+}
+
list_cpu_idx()
{
# Offset by 1 if /dev/zram0 is in use by /tmp
@@ -108,6 +125,7 @@ start()
zram_reset "$zram_dev" "enforcing defaults"
echo $(( zram_size * 1024 * 1024 )) >"/sys/block/$( basename "$zram_dev" )/disksize"
+ zram_comp_algo "$zram_dev"
mkswap "$zram_dev"
swapon "$zram_dev"
} done