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zram-swap: CONFIG_PROCD_ZRAM_TMPFS compatibility

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Enable CONFIG_PROCD_ZRAM_TMPFS compatibility via two changes to list_cpu_idx():
* detect if /tmp is being used by /dev/zram0; if yes, offset initial value by 1 to skip first zram device.
* hot-add /dev/zram1, if not already present.

Signed-off-by: Conn O'Griofa >connogriofa@gmail.com>
This commit is contained in:
Conn O'Griofa 2016-07-24 17:18:39 +01:00 committed by John Crispin
parent 911b6ca234
commit f362dc154d
1 changed files with 11 additions and 2 deletions
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9
package/system/zram-swap/files/zram.init
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@ -71,7 +71,16 @@ zram_reset()
list_cpu_idx() list_cpu_idx()
{ {
# Offset by 1 if /dev/zram0 is in use by /tmp
if [ "$(mount | grep /dev/zram0)" ]; then
local line i=1
# Hot-add new ZRAM device (if necessary)
if [ ! -b /dev/zram1 ]; then
cat /sys/class/zram-control/hot_add
fi
else
local line i=0 local line i=0
fi
while read line; do { while read line; do {
case "$line" in case "$line" in