[PATCH] fff-sysupgrade/fff-web: Free cache before upgrade
Adrian Schmutzler
freifunk at adrianschmutzler.de
Mi Dez 5 19:26:58 CET 2018
This might reduce the chance to break devices with 32 MB RAM
during sysupgrade.
Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
---
src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh | 4 ++++
src/packages/fff/fff-web/files/www/ssl/cgi-bin/upgrade.html | 2 ++
2 files changed, 6 insertions(+)
diff --git a/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh b/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh
index dca21a1f..50fa854f 100755
--- a/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh
+++ b/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh
@@ -100,6 +100,10 @@ else
case $yn in
[Yy]*|[Jj]*)
echo ""
+ echo "Freeing caches ..."
+ echo 3 > /proc/sys/vm/drop_caches
+
+ echo ""
echo "Starting firmware upgrade. Don't touch me until I reboot."
echo ""
echo ""
diff --git a/src/packages/fff/fff-web/files/www/ssl/cgi-bin/upgrade.html b/src/packages/fff/fff-web/files/www/ssl/cgi-bin/upgrade.html
index 9762edc3..96199c22 100755
--- a/src/packages/fff/fff-web/files/www/ssl/cgi-bin/upgrade.html
+++ b/src/packages/fff/fff-web/files/www/ssl/cgi-bin/upgrade.html
@@ -70,6 +70,8 @@ if [ "$do_reset" = "1" ] ; then
echo "</pre>"
elif [ "$do_sysupgrade" = "1" ] ; then
echo "<pre>"
+ echo "# Freeing caches ..."
+ echo 3 > /proc/sys/vm/drop_caches
echo "# sysupgrade $args $HASERL_firmware_path"
sysupgrade $args $HASERL_firmware_path
echo "</pre>"
--
2.11.0
Mehr Informationen über die Mailingliste franken-dev