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Commit 3a63283a authored by Srinivas Paladugu's avatar Srinivas Paladugu
Browse files

Allow write access to system_server on zram sysfs 

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
parent 83968c53

rootdir/init.rc

+6 −0
Original line number Original line Diff line number Diff line
@@ -643,6 +643,12 @@ on boot 
    chown root system /sys/module/lowmemorykiller/parameters/minfree

    chown root system /sys/module/lowmemorykiller/parameters/minfree

    chmod 0664 /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

    # Tweak background writeout

    write /proc/sys/vm/dirty_expire_centisecs 200

    write /proc/sys/vm/dirty_expire_centisecs 200

    write /proc/sys/vm/dirty_background_ratio  5

    write /proc/sys/vm/dirty_background_ratio  5