X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=package%2Fbase-files%2Ffiles%2Flib%2Fupgrade%2Fcommon.sh;fp=package%2Fbase-files%2Ffiles%2Flib%2Fupgrade%2Fcommon.sh;h=b44a5998f4e5fa77fbc56c0f0fd1edf4ac4a5787;hp=a5c27dc2fbb63d9d5be8202f4ddc147a083b62dd;hb=3d12b47985fc1983849925d2dc23430f55210c80;hpb=3064651bf75d3ca08cbfff916a14e8b3c4c246fb

diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index a5c27dc2fb..b44a5998f4 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -297,6 +297,7 @@ indicate_upgrade() {
 # $(2): (optional) pipe command to extract firmware, e.g. dd bs=n skip=m
 default_do_upgrade() {
 	sync
+	echo 3 > /proc/sys/vm/drop_caches
 	if [ -n "$UPGRADE_BACKUP" ]; then
 		get_image "$1" "$2" | mtd $MTD_ARGS $MTD_CONFIG_ARGS -j "$UPGRADE_BACKUP" write - "${PART_NAME:-image}"
 	else