diff options
Diffstat (limited to 'core/rootfs/rootfs-stage32/data/opt')
| -rwxr-xr-x | core/rootfs/rootfs-stage32/data/opt/openslx/scripts/systemd-zram_swap | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/core/rootfs/rootfs-stage32/data/opt/openslx/scripts/systemd-zram_swap b/core/rootfs/rootfs-stage32/data/opt/openslx/scripts/systemd-zram_swap index 4a2cce6f..3cc5fe22 100755 --- a/core/rootfs/rootfs-stage32/data/opt/openslx/scripts/systemd-zram_swap +++ b/core/rootfs/rootfs-stage32/data/opt/openslx/scripts/systemd-zram_swap @@ -94,6 +94,16 @@ while [ "$NUM" -lt "$DEVS" ]; do fi done +# Increase min free memory so we have enough mem available when trying to move +# something to zram swap. We want 1%, or at least 64MiB +CURRENT=$(cat "/proc/sys/vm/min_free_kbytes") +TOTAL=$(awk '{ if ($1 == "MemTotal:") { print $2; exit } }' /proc/meminfo) +WANT=$(( TOTAL / 100 )) +[ "$WANT" -gt 65535 ] || WANT=65535 # minimum 64M +if [ "$CURRENT" -lt "$WANT" ]; then + echo "$WANT" > "/proc/sys/vm/min_free_kbytes" +fi + # Wait, so we don't trigger swap.target too early wait |