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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
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+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