From 81dc83dd0c7d7e1217cc0abb34f7d6b87f6083c2 Mon Sep 17 00:00:00 2001
From: roynatech2544 <whiteshell2544@naver.com>
Date: Wed, 29 Nov 2023 20:04:41 +0900
Subject: [PATCH] universal7885: libinit: Set low_ram prop if less than 4GB RAM

---
 .../libinit/init_universal7885.cpp                 | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/universal7885-common/libinit/init_universal7885.cpp b/universal7885-common/libinit/init_universal7885.cpp
index ee67c4c..2c54346 100644
--- a/universal7885-common/libinit/init_universal7885.cpp
+++ b/universal7885-common/libinit/init_universal7885.cpp
@@ -27,6 +27,8 @@
 
 #include <vector>
 
+#include <sys/sysinfo.h>
+
 #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
 #include <sys/_system_properties.h>
 
@@ -71,6 +73,15 @@ static inline bool hasEnding(const std::string& str, char suffix)
   return !str.empty() && str.back() == suffix;
 }
 
+static void setLowRamProp(void) {
+  static constexpr auto GB_3 = 3ull * 1024 * 1024 * 1024;
+  struct sysinfo sys {};
+
+  sysinfo(&sys);
+  if (sys.totalram <= GB_3)
+    property_override("ro.config.low_ram", "true");
+}
+
 void vendor_load_properties() {
   std::string model;
   bool isNFC = false;
@@ -95,6 +106,9 @@ void vendor_load_properties() {
     property_override("ro.boot.product.hardware.sku", "NFC");
   }
 
+  // Set Low ram prop based on HW ram size
+  setLowRamProp();
+
   // Set model based on bootloader supplied model
   set_ro_build_prop("model", model);
   set_ro_build_prop("product", model, false);