sm8550-common: Configure RAM Plus

Change-Id: I19387c70498ca93f155329fdaf4c4f27a167f88f

common.mk

@@ -213,7 +213,9 @@ PRODUCT_PACKAGES += \
     ueventd.qcom.rc
 
 PRODUCT_PACKAGES += \
+    fstab.ramplus \
     init.nfc.samsung.rc \
+    init.ramplus.rc \
     init.samsung.bsp.rc \
     init.samsung.connector.rc \
     init.samsung.display.rc \

init/Android.bp

@@ -9,6 +9,12 @@ prebuilt_etc {
     vendor: true,
 }
 
+prebuilt_etc {
+    name: "fstab.ramplus",
+    src: "fstab.ramplus",
+    vendor: true,
+}
+
 prebuilt_etc {
     name: "init.nfc.samsung.rc",
     src: "init.nfc.samsung.rc",
@@ -30,6 +36,13 @@ prebuilt_etc {
     vendor: true,
 }
 
+prebuilt_etc {
+    name: "init.ramplus.rc",
+    src: "init.ramplus.rc",
+    sub_dir: "init",
+    vendor: true,
+}
+
 prebuilt_etc {
     name: "init.recovery.qcom.rc",
     src: "init.recovery.qcom.rc",

init/fstab.ramplus

@@ -0,0 +1,7 @@
+# Android fstab file.
+#<src>                  <mnt_point>         <type>    <mnt_flags and options>                               <fs_mgr_flags>
+# The filesystem that contains the filesystem checker binary (typically /system) cannot
+# specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK
+
+# SWAP
+/dev/block/zram0                                   none                swap      defaults                                              zramsize=2147483648,auto_configure

init/init.qcom.post_boot.sh

@@ -709,10 +709,10 @@ 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
+      # echo 100 > /proc/sys/vm/swappiness
 else
     arch_type=`uname -m`
 
@@ -817,13 +817,13 @@ else
     # Set allocstall_threshold to 0 for all targets.
     # Set swappiness to 100 for all targets
     echo 0 > /sys/module/vmpressure/parameters/allocstall_threshold
-    echo 100 > /proc/sys/vm/swappiness
+    # echo 100 > /proc/sys/vm/swappiness
 
     # Disable wsf for all targets beacause we are using efk.
     # 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
 
@@ -4293,7 +4293,7 @@ case "$target" in
 
             # Turn on sleep modes.
             echo 0 > /sys/module/lpm_levels/parameters/sleep_disabled
-            echo 100 > /proc/sys/vm/swappiness
+            # echo 100 > /proc/sys/vm/swappiness
             ;;
         esac
     ;;
@@ -4849,7 +4849,7 @@ case "$target" in
 	echo N > /sys/module/lpm_levels/L3/l3-dyn-ret/idle_enabled
         # Turn on sleep modes.
         echo 0 > /sys/module/lpm_levels/parameters/sleep_disabled
-	echo 100 > /proc/sys/vm/swappiness
+	# echo 100 > /proc/sys/vm/swappiness
 	echo 120 > /proc/sys/vm/watermark_scale_factor
     ;;
 esac

init/init.ramplus.rc

@@ -0,0 +1,3 @@
+# KERNEL CORE MEMORY
+on property:sys.boot_completed=1
+    swapon_all /vendor/etc/fstab.ramplus