diff options
Diffstat (limited to 'source/installer/sources/initrd/etc/rc.d/rc.S')
| -rwxr-xr-x | source/installer/sources/initrd/etc/rc.d/rc.S | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/source/installer/sources/initrd/etc/rc.d/rc.S b/source/installer/sources/initrd/etc/rc.d/rc.S index 0e69d7349..c798c9d18 100755 --- a/source/installer/sources/initrd/etc/rc.d/rc.S +++ b/source/installer/sources/initrd/etc/rc.d/rc.S @@ -139,6 +139,27 @@ else fi # End Run udev: +# Set up some swap on a ZRAM device: +ZRAMSIZE=$(echo $(cat /proc/meminfo | grep ^MemTotal:) | cut -f 2 -d ' ') +ZRAMCOMPRESSION=zstd +ZRAMPRIORITY=100 +if [ ! -d /sys/devices/virtual/block/zram0 ]; then + modprobe zram +fi +# In case of a 32-bit kernel, we are limited to 4G maximum ZRAM device size. +# If the RAM size is greater than 4G, then use 4G for the ZRAMSIZE. +if [ "$(uname -m)" = "i686" ]; then + if [ "$ZRAMSIZE" -gt "4194304" ]; then + ZRAMSIZE=4194304 + fi +fi +ZRAM_DEVICE=$(/sbin/zramctl -f -a $ZRAMCOMPRESSION -s ${ZRAMSIZE}K) +if [ ! -z $ZRAM_DEVICE ]; then + /sbin/mkswap $ZRAM_DEVICE + /sbin/swapon -p $ZRAMPRIORITY $ZRAM_DEVICE +fi +unset ZRAMCOMPRESSION ZRAM_DEVICE ZRAMPRIORITY ZRAMSIZE + # Here's the situation. Because of the practice of keeping the local # time (rather than UTC) in the system's clock, at any given time half # of the people doing an install will be creating files that upon |