path: root/liveinit
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author Eric Hameleers <>2016-02-09 01:18:09 +0100
committer Eric Hameleers <>2016-02-09 01:18:09 +0100
commit63c48afe9b4461b803b910216094a520f71b7727 (patch)
tree9408627f7f99d3e89a4aa58bf6a0c6595c88125f /liveinit
parent9cdbfd7bad759454e81f78006b2fd0649caa1137 (diff)
liveinit: if "toram" was specified, increase the size of the RAM filesystem.
Also, make sure that we do not try and make any persistent writes when 'toram' was specified as a boot parameter, since 'toram' means that the user intends to remove the boot media afterwards.
Diffstat (limited to 'liveinit')
1 files changed, 9 insertions, 1 deletions
diff --git a/liveinit b/liveinit
index 68beec6..b20a2e7 100755
--- a/liveinit
+++ b/liveinit
@@ -43,6 +43,8 @@ PERSISTENCE="@PERSISTENCE@"
# By default, let the media determine if we can write persistent changes:
+# However, if we define TORAM=1, we will also set VIRGIN=1 since we want
+# to avoid anything that writes to disk after we copy the OS to RAM.
# Used for debugging the init; set to '1' to enable explicit pauses>
@@ -135,6 +137,7 @@ for ARG in $(cat /proc/cmdline); do
+ VIRGIN=1 # prevent writes to disk since we are supposed to run from RAM
TZ=$(echo $ARG | cut -f2 -d=)
@@ -291,7 +294,12 @@ if [ "$RESCUE" = "" ]; then
# We need a mounted filesystem here to be able to do a switch_root later,
# so we create one in RAM:
- mount -t tmpfs -o defaults none /mnt
+ if [ $TORAM -eq 1 ]; then
+ RAMSIZE=90% # need to be able to load the entire OS in RAM
+ else
+ RAMSIZE=50% # the default value.
+ fi
+ mount -t tmpfs -o defaults,size=${RAMSIZE}% none /mnt
# Find the Slackware Live media.
# TIP: Increase WAIT to give USB devices a chance to be seen by the kernel.