From 49b6570b78afcff620dbcb9c84080e46c6598d54 Mon Sep 17 00:00:00 2001
From: Volodymyr Zhdanov <wight554@gmail.com>
Date: Sat, 4 Dec 2021 15:17:40 +0530
Subject: [PATCH] sdm660-common: rootdir: Don't configure zram in
 init.qcom.post_boot.sh

Signed-off-by: pix106 <sbordenave@gmail.com>
---
 rootdir/bin/init.qcom.post_boot.sh | 54 ++----------------------------
 rootdir/etc/init.target.rc         |  7 ++++
 2 files changed, 9 insertions(+), 52 deletions(-)

diff --git a/rootdir/bin/init.qcom.post_boot.sh b/rootdir/bin/init.qcom.post_boot.sh
index 12f6fa6b..ce40640a 100644
--- a/rootdir/bin/init.qcom.post_boot.sh
+++ b/rootdir/bin/init.qcom.post_boot.sh
@@ -784,56 +784,6 @@ KernelVersionS=${KernelVersionStr:2:2}
 KernelVersionA=${KernelVersionStr:0:1}
 KernelVersionB=${KernelVersionS%.*}
 
-function configure_zram_parameters() {
-    MemTotalStr=`cat /proc/meminfo | grep MemTotal`
-    MemTotal=${MemTotalStr:16:8}
-
-    low_ram=`getprop ro.config.low_ram`
-
-    # Zram disk - 75% for Go devices.
-    # For 512MB Go device, size = 384MB, set same for Non-Go.
-    # For 1GB Go device, size = 768MB, set same for Non-Go.
-    # For 2GB Go device, size = 1536MB, set same for Non-Go.
-    # For >2GB Non-Go devices, size = 50% of RAM size. Limit the size to 4GB.
-    # And enable lz4 zram compression for Go targets.
-
-    let RamSizeGB="( $MemTotal / 1048576 ) + 1"
-    diskSizeUnit=M
-    if [ $RamSizeGB -le 2 ]; then
-        let zRamSizeMB="( $RamSizeGB * 1024 ) * 3 / 4"
-    else
-        let zRamSizeMB="( $RamSizeGB * 1024 ) / 2"
-    fi
-
-    # use MB avoid 32 bit overflow
-    if [ $zRamSizeMB -gt 4096 ]; then
-        let zRamSizeMB=4096
-    fi
-
-    if [ "$low_ram" == "true" ]; then
-        echo lz4 > /sys/block/zram0/comp_algorithm
-    fi
-
-    if [ -f /sys/block/zram0/disksize ]; then
-        if [ -f /sys/block/zram0/use_dedup ]; then
-            echo 1 > /sys/block/zram0/use_dedup
-        fi
-        echo "$zRamSizeMB""$diskSizeUnit" > /sys/block/zram0/disksize
-
-        # ZRAM may use more memory than it saves if SLAB_STORE_USER
-        # debug option is enabled.
-        if [ -e /sys/kernel/slab/zs_handle ]; then
-            echo 0 > /sys/kernel/slab/zs_handle/store_user
-        fi
-        if [ -e /sys/kernel/slab/zspage ]; then
-            echo 0 > /sys/kernel/slab/zspage/store_user
-        fi
-
-        mkswap /dev/block/zram0
-        swapon /dev/block/zram0 -p 32758
-    fi
-}
-
 function configure_read_ahead_kb_values() {
     dmpts=$(ls /sys/block/*/queue/read_ahead_kb | grep -e dm -e mmc)
 
@@ -898,7 +848,7 @@ low_ram=`getprop ro.config.low_ram`
 
 if [ "$ProductName" == "msmnile" ] || [ "$ProductName" == "kona" ] || [ "$ProductName" == "sdmshrike_au" ]; then
       # Enable ZRAM
-      configure_zram_parameters
+      # configure_zram_parameters
       configure_read_ahead_kb_values
       echo 0 > /proc/sys/vm/page-cluster
       echo 100 > /proc/sys/vm/swappiness
@@ -1012,7 +962,7 @@ else
     # wsf Range : 1..1000 So set to bare minimum value 1.
     echo 1 > /proc/sys/vm/watermark_scale_factor
 
-    configure_zram_parameters
+    # configure_zram_parameters
 
     # configure_read_ahead_kb_values
 
diff --git a/rootdir/etc/init.target.rc b/rootdir/etc/init.target.rc
index c345c861..7a440cf9 100755
--- a/rootdir/etc/init.target.rc
+++ b/rootdir/etc/init.target.rc
@@ -562,3 +562,10 @@ on property:sys.boot_completed=1
     write /dev/cpuctl/background/cpu.uclamp.max 70
     write /dev/cpuctl/system-background/cpu.uclamp.max 70
     write /dev/cpuctl/dex2oat/cpu.uclamp.max 80
+
+on property:sys.boot_completed=1
+    write /proc/sys/vm/page-cluster 0
+    write /proc/sys/vm/swappiness 100
+    write /sys/block/zram0/comp_algorithm lz4
+    write /sys/block/zram0/use_dedup 1
+    swapon_all /vendor/etc/fstab.qcom