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Allow write access to system_server on zram sysfs

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System server needs to be able to write to idle and
writeback nodes in the zram sysfs directory.

Bug: 117682284
Bug: 122674343
Test: Test writeback on go ref device
Change-Id: I1cd663b73a7ebb255fe7e459601e720961bbd69e
This commit is contained in:
Srinivas Paladugu 2019-01-09 11:28:59 -08:00
parent 83968c53e1
commit 3a63283aff
1 changed files with 6 additions and 0 deletions
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6
rootdir/init.rc
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@ -643,6 +643,12 @@ on boot
chown root system /sys/module/lowmemorykiller/parameters/minfree
chmod 0664 /sys/module/lowmemorykiller/parameters/minfree
# System server manages zram writeback
chown root system /sys/block/zram0/idle
chmod 0664 /sys/block/zram0/idle
chown root system /sys/block/zram0/writeback
chmod 0664 /sys/block/zram0/writeback
# Tweak background writeout
write /proc/sys/vm/dirty_expire_centisecs 200
write /proc/sys/vm/dirty_background_ratio 5