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device_xiaomi_mondrian/libinit/libinit_dalvik_heap.cpp
Akane 2bcb7da1bb mondrian: Import libinit
Import from Xiaomi SM8250
update signature of redmi k60
remove SafetyNet workaround
Co-Authored-By: Ramii Ahmed <ramy@ahmedramy.com>
Co-Authored-By: luk1337 <priv.luk@gmail.com>
Co-Authored-By: klozz <carlosj@klozz.dev>
Signed-off-by: flakeforever <113103193+flakeforever@users.noreply.github.com>
2024-02-25 17:39:17 +08:00

68 lines
1.9 KiB
C++

/*
* Copyright (C) 2021 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <sys/sysinfo.h>
#include <libinit_utils.h>
#include <libinit_dalvik_heap.h>
#define HEAPSTARTSIZE_PROP "dalvik.vm.heapstartsize"
#define HEAPGROWTHLIMIT_PROP "dalvik.vm.heapgrowthlimit"
#define HEAPSIZE_PROP "dalvik.vm.heapsize"
#define HEAPMINFREE_PROP "dalvik.vm.heapminfree"
#define HEAPMAXFREE_PROP "dalvik.vm.heapmaxfree"
#define HEAPTARGETUTILIZATION_PROP "dalvik.vm.heaptargetutilization"
#define GB(b) (b * 1024ull * 1024 * 1024)
static const dalvik_heap_info_t dalvik_heap_info_16384 = {
.heapstartsize = "32m",
.heapgrowthlimit = "448m",
.heapsize = "640m",
.heapminfree = "16m",
.heapmaxfree = "64m",
.heaptargetutilization = "0.4",
};
static const dalvik_heap_info_t dalvik_heap_info_12288 = {
.heapstartsize = "24m",
.heapgrowthlimit = "384m",
.heapsize = "512m",
.heapminfree = "8m",
.heapmaxfree = "56m",
.heaptargetutilization = "0.42",
};
static const dalvik_heap_info_t dalvik_heap_info_8192 = {
.heapstartsize = "24m",
.heapgrowthlimit = "256m",
.heapsize = "512m",
.heapminfree = "8m",
.heapmaxfree = "48m",
.heaptargetutilization = "0.46",
};
void set_dalvik_heap() {
struct sysinfo sys;
const dalvik_heap_info_t *dhi;
sysinfo(&sys);
if (sys.totalram > GB(15))
dhi = &dalvik_heap_info_16384;
else if (sys.totalram > GB(11))
dhi = &dalvik_heap_info_12288;
else
dhi = &dalvik_heap_info_8192;
property_override(HEAPSTARTSIZE_PROP, dhi->heapstartsize);
property_override(HEAPGROWTHLIMIT_PROP, dhi->heapgrowthlimit);
property_override(HEAPSIZE_PROP, dhi->heapsize);
property_override(HEAPTARGETUTILIZATION_PROP, dhi->heaptargetutilization);
property_override(HEAPMINFREE_PROP, dhi->heapminfree);
property_override(HEAPMAXFREE_PROP, dhi->heapmaxfree);
}