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drop_caches

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Patrick Schleizer 2023-01-07 17:23:25 -05:00
parent 02f44459ad
commit 539156c0da
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1 changed files with 10 additions and 2 deletions
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12
usr/lib/dracut/modules.d/10ram-wipe-exit/wipe-ram.sh
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@ -8,6 +8,14 @@
DRACUT_QUIET=no DRACUT_QUIET=no
drop_caches() {
sync
## https://gitlab.tails.boum.org/tails/tails/-/blob/master/config/chroot_local-includes/usr/local/lib/initramfs-pre-shutdown-hook
### Ensure any remaining disk cache is erased by Linux' memory poisoning
echo 3 > /proc/sys/vm/drop_caches
sync
}
ram_wipe_action() { ram_wipe_action() {
local kernel_wiperam_exit local kernel_wiperam_exit
kernel_wiperam_exit=$(getarg wiperamexit) kernel_wiperam_exit=$(getarg wiperamexit)
@ -24,9 +32,9 @@ ram_wipe_action() {
info "wipe-ram.sh wiperamexit: wiperamexit=yes, therefore running second RAM wipe..." info "wipe-ram.sh wiperamexit: wiperamexit=yes, therefore running second RAM wipe..."
## TODO: drop_caches drop_caches
sdmem -l -l -v sdmem -l -l -v
## TODO: drop_caches drop_caches
info "wipe-ram.sh wiperamexit: Second RAM wipe completed." info "wipe-ram.sh wiperamexit: Second RAM wipe completed."
} }