This patch enables zram-writeback job. It will run idle marking
at 60m since the device is boot. After that, it will do first
writeback after 3hour to sweep initiallized cold pages out.
After that, it periodically write out every 24hour.
Bug: 117682284
Bug: 127185055
Test: confirm with manual testing
Signed-off-by: Randall Huang <huangrandall@google.com>
Signed-off-by: Albert I <kras@raphielgang.org>
Change-Id: I6b8f537faf2ffff1a93170aad763f2be4dcaba42
Signed-off-by: Albert I <kras@raphielgang.org>
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>
Change-Id: Icf9f877415cd6242f27b248b6821bd3464790904