From 6f60fad0e9d7a0b9fa73e7fa7b8dc16aac178ccb Mon Sep 17 00:00:00 2001
From: Ziyan <jaraidaniel@gmail.com>
Date: Fri, 8 Jan 2016 17:55:47 +0100
Subject: init: tune vm for zRAM

References:
https://source.android.com/devices/tech/config/low-ram.html
https://01.org/android-ia/user-guides/android-memory-tuning-android-5.0-and-5.1

Change-Id: I8ec35dad3a65c213d1843d01957b308c3ab84a6e
---
 rootdir/etc/init.tab2.rc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rootdir/etc/init.tab2.rc b/rootdir/etc/init.tab2.rc
index 2a746a5..28b128b 100644
--- a/rootdir/etc/init.tab2.rc
+++ b/rootdir/etc/init.tab2.rc
@@ -40,6 +40,12 @@ on fs
     insmod /system/lib/modules/pvrsrvkm_sgx540_120.ko
     start pvrsrvinit
 
+    # read only 1 page at a time
+    write /proc/sys/vm/page-cluster 0
+
+    # set swappines to 100
+    write /proc/sys/vm/swappiness 100
+
     mount debugfs /sys/kernel/debug /sys/kernel/debug
 
 on post-fs-data
-- 
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