1GB項目優化free memory

1:services/core/java/com/android/server/am/ProcessList.java

  int reserve = displayWidth * displayHeight * 4 * 3 / 1024;
        if (ActivityManager.isLowRamDeviceStatic()) {
            reserve = displayWidth * displayHeight * 4 * 1 / 1024;
        }

 

2:alps/kernel-4.9 / drivers/staging/android/lowmemorykiller.c

static int __init lowmem_init(void)
{
    if (IS_ENABLED(CONFIG_ZRAM) &&
        IS_ENABLED(CONFIG_MTK_GMO_RAM_OPTIMIZE))
        vm_swappiness = 150;

    register_shrinker(&lowmem_shrinker);