1 files changed, 95 insertions, 0 deletions
diff --git a/init/init_sdm660.cpp b/init/init_sdm660.cpp
new file mode 100644
index 0000000..5b76c75
--- /dev/null
+++ b/init/init_sdm660.cpp
@@ -0,0 +1,95 @@
+/*
+   Copyright (c) 2016, The CyanogenMod Project
+   Copyright (c) 2017, The LineageOS Project
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of The Linux Foundation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+   ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+   BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+   BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdlib>
+#include <fstream>
+#include <string.h>
+#include <sys/sysinfo.h>
+#include <unistd.h>
+
+#include <android-base/properties.h>
+#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
+#include <sys/_system_properties.h>
+
+#include "vendor_init.h"
+#include "property_service.h"
+#include "init_sdm660.h"
+
+using android::base::GetProperty;
+using android::init::property_set;
+
+char const *heapstartsize;
+char const *heapgrowthlimit;
+char const *heapsize;
+char const *heapminfree;
+char const *heapmaxfree;
+
+#ifdef TARGET_HAVE_LIBINIT
+__attribute__ ((weak))
+void init_target_properties() {}
+#endif
+
+void check_device()
+{
+    struct sysinfo sys;
+
+    sysinfo(&sys);
+
+    if (sys.totalram > 3072ull * 1024 * 1024) {
+        // from - phone-xxhdpi-4096-dalvik-heap.mk
+        heapstartsize = "16m";
+        heapgrowthlimit = "256m";
+        heapsize = "512m";
+        heapminfree = "4m";
+        heapmaxfree = "8m";
+    } else if (sys.totalram > 2048ull * 1024 * 1024) {
+        // from - phone-xxhdpi-3072-dalvik-heap.mk
+        heapstartsize = "8m";
+        heapgrowthlimit = "288m";
+        heapsize = "768m";
+        heapminfree = "512k";
+	heapmaxfree = "8m";
+    }
+}
+
+void vendor_load_properties()
+{
+    check_device();
+#ifdef TARGET_HAVE_LIBINIT
+    init_target_properties();
+#endif
+
+    property_set("dalvik.vm.heapstartsize", heapstartsize);
+    property_set("dalvik.vm.heapgrowthlimit", heapgrowthlimit);
+    property_set("dalvik.vm.heapsize", heapsize);
+    property_set("dalvik.vm.heaptargetutilization", "0.75");
+    property_set("dalvik.vm.heapminfree", heapminfree);
+    property_set("dalvik.vm.heapmaxfree", heapmaxfree);
+}