[Buildroot] [PATCH 3/4] busybox: add an inittab entry to activate swap
peter at korsgaard.com
Tue Jun 12 12:58:59 UTC 2018
>>>>> "Carlos" == Carlos Santos <casantos at datacom.com.br> writes:
> There is a call to swapoff in the shutdown sequence, so call "swapon -a"
> on startup. As stated in the swapon man page,
> All devices marked as "swap" in /etc/fstab are made available, except
> for those with the "noauto" option. Devices that are already being
> used as swap are silently skipped.
> So even if the system has some init script to start/stop swap (e.g. from
> a rootfs ovelay) calling swapon/swapoff would be harmless.
I guess an explicit swapon <device> after swapon -a (with an entry for
<device> in /etc/fstab) will fail with an error message, but OK - That
is easy to fix if that happens.
Bye, Peter Korsgaard
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