zram-swap: bail out early if the kernel doesn't support swap

Since KERNEL_SWAP is only enabled by default for !SMALL_FLASH targets, we need
to check if the current kernel supports swap before trying to configure
zram-swap, as opkg can't check for kernel dependencies.

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
This commit is contained in:
Rui Salvaterra 2021-04-01 14:36:33 +01:00 committed by Hauke Mehrtens
parent 829fa33899
commit 565dfeb128

View File

@ -150,6 +150,11 @@ zram_compact()
start()
{
[ -e /proc/swaps ] || {
logger -s -t zram_start -p daemon.crit "kernel doesn't support swap"
return 1
}
if [ $( grep -cs zram /proc/swaps ) -ne 0 ]; then
logger -s -t zram_start -p daemon.notice "[OK] zram swap is already mounted"
return 1