I didn't have this problem on stock 4.3, but since I unlock my bootloader and now using Doomlord's Advance Stock kernel, reflash my ROM, RAM keeps building up after sometimes of using the phone, play some games.
Is it a kernel problem or somethings else?
This is what I got when trying to take a screenshot, it was about 5.4Mb free right before (I did clear all apps running in the recent task)
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