¶
sudo swapoff -a
这一步会立即禁用swap,但是下次重启还会启用。
¶
从/etc/fstab
中删除swap条目
¶ mask相关systemd unit
systemd可能会从/etc/fstab
中的swap条目生成对应的systemd
unit:https://www.freedesktop.org/software/systemd/man/systemd.swap.html
但是从/etc/fstab
里把swap条目删除貌似并不会把这些swap
systemd unit给禁用。所以得手动mask。先查询这些swap条目:
systemctl --type swap
输出:
UNIT LOAD ACTIVE SUB DESCRIPTION
dev-sda3.swap loaded active active Swap Partition
LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
1 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
然后把这个条目给mask:
sudo systemctl mask dev-sda3.swap
之后重启运行free
就会看到swap那里为0了。
¶ 注意事项
这里说最好不要systemctl mask swap.target
:https://askubuntu.com/questions/1065503/how-to-remove-systemd-targets
¶ 参考文献
https://unix.stackexchange.com/questions/551185/how-do-i-permanently-disable-swap-on-archlinux