From bf8f92939f1dcb82207f2515c92f5b23e395eed0 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/init.tuna.rc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'rootdir')

diff --git a/rootdir/init.tuna.rc b/rootdir/init.tuna.rc
index 7399bfc..33dd7a8 100755
--- a/rootdir/init.tuna.rc
+++ b/rootdir/init.tuna.rc
@@ -73,6 +73,12 @@ on fs
 
     setprop ro.crypto.fuse_sdcard true
 
+    # read only 1 page at a time
+    write /proc/sys/vm/page-cluster 0
+
+    # set swappines to 100
+    write /proc/sys/vm/swappiness 100
+
     # change permissions for mtd device
     chmod 0660 /dev/mtd/mtd0
     chown media media /dev/mtd/mtd0
-- 
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