darkkirb/android_device_lenovo_msm8937-common
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msm8937-common: init: Set zram size according to RAM size

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Remilia Scarlet 2018-08-05 03:31:03 +02:00 committed by karthick111
parent 079e05c76f
commit a3c26ff2a1
2 changed files with 27 additions and 1 deletions
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26
init/init_msm8937.cpp
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@ -122,10 +122,36 @@ void check_device()
} }
} }
void set_zram_size(void)
{
FILE *f = fopen("/sys/block/zram0/disksize", "wb");
int MB = 1024 * 1024;
std::string zram_disksize;
struct sysinfo si;
// Check if zram exist
if (f == NULL) {
return;
}
// Initialize system info
sysinfo(&si);
// Set zram disksize (divide RAM size by 3)
zram_disksize = std::to_string(si.totalram / MB / 3);
// Write disksize to sysfs
fprintf(f, "%sM", zram_disksize.c_str());
// Close opened file
fclose(f);
}
void vendor_load_properties() void vendor_load_properties()
{ {
init_alarm_boot_properties(); init_alarm_boot_properties();
check_device(); check_device();
set_zram_size();
property_set("dalvik.vm.heapstartsize", heapstartsize); property_set("dalvik.vm.heapstartsize", heapstartsize);
property_set("dalvik.vm.heapgrowthlimit", heapgrowthlimit); property_set("dalvik.vm.heapgrowthlimit", heapgrowthlimit);

2
rootdir/fstab.qcom
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@ -23,4 +23,4 @@
/devices/soc/7864900.sdhci/mmc_host* auto auto nosuid,nodev wait,voldmanaged=sdcard1:auto,noemulatedsd,encryptable=footer /devices/soc/7864900.sdhci/mmc_host* auto auto nosuid,nodev wait,voldmanaged=sdcard1:auto,noemulatedsd,encryptable=footer
/devices/soc/78db000.usb/msm_hsusb_host* auto auto nosuid,nodev wait,voldmanaged=usbotg:auto /devices/soc/78db000.usb/msm_hsusb_host* auto auto nosuid,nodev wait,voldmanaged=usbotg:auto
/dev/block/zram0 none swap defaults zramsize=1073741824,max_comp_streams=4 /dev/block/zram0 none swap defaults max_comp_streams=4