调整你的Y511内存，让内存利用率更高，能玩更多的游戏

对上面参数的解释：
dalvik.vm.heapstartsize=16m
虚拟机应用初始内存分配16M
dalvik.vm.heapgrowthlimit=64m
虚拟机应用正常使用64m
dalvik.vm.heapsize=256m
虚拟机应用内存可用空间256M
意思是说，要运行一个应用，最初只给16M空间，若不够用，可使用64M，若遇到吃内存大户，内存空间可腾出256M

顶楼主，试试看

dalvik.vm.heapstartsize的参数值对常开一大堆桌面小部件，及后台小应用的机友非常有用，可明显调整待机时的内存占用，此参数过小时会降低系统响应速度，过高时会内存吃紧；
dalvik.vm.heapsize的参数对玩游戏和常运行大应用的机友非常有用，可明显调整应用运行时内存吃紧的状况，此参数过小时部分应用会因内存不足而关闭，过高时会因系统内存分配故障而死机。

我使用的是MIUI，默认参数如下，改怎么改？只改heapsize可以吧？
dalvik.vm.heapgrowthlimit=96m
dalvik.vm.heapsize=128m

寂寞终结能不能用这个代码？
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是不是这样

# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=HUAWEIY511-T00
ro.build.display.id=Y511-T00V100R001C112B120
ro.build.version.incremental=C112B171
ro.custom.build.version=1394630869
ro.build.version.sdk=17
ro.build.version.codename=REL
ro.build.version.release=4.2.2
ro.build.date=Wed Mar 12 21:31:26 CST 2014
ro.build.date.utc=1394631086
ro.build.type=user
ro.build.user=yujialin
ro.build.innner.version=SW_S97511A1_V042_M11_HUAWEI_Y511T_MP
ro.build.host=wingtech-ubuntu172
ro.build.tags=release-keys
ro.product.model=HUAWEI Y511-T00
ro.product.brand=HUAWEI
ro.product.name=Y511-T00
ro.product.device=HWY511-T
ro.product.board=Y511-T00
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=HUAWEI
ro.product.locale.language=zh
ro.product.locale.region=CN
ro.wifi.channels=
ro.board.platform=
ro.build.hardware.version=VER.A
ro.build.customer=WINGTECH
# ro.build.product is obsolete; use ro.product.device
ro.build.product=HWY511-T
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=Y511-T00-user 4.2.2 HUAWEIY511-T00 C112B171 release-keys
ro.build.fingerprint=HUAWEI/Y511-T00/HWY511-T:4.2.2/HUAWEIY511-T00/C112B171:user/release-keys
ro.build.flavor=
ro.build.characteristics=default
ro.com.google.clientidbase=android-huawei
ro.url.legal=http://www.google.com/intl/zh_cn/mobile/android/basic/phone-legal.html
ro.build.cust.id=Y511-T00V100R001C112B171
# end build properties
# begin mediatek build properties
ro.mediatek.version.release=ALPS.JB3.TDD.MP.V2
ro.mediatek.platform=MT6572
ro.mediatek.chip_ver=S01
ro.mediatek.version.branch=ALPS.JB3.TDD.MP
ro.mediatek.version.sdk=1
# end mediatek build properties
#
# system.prop for generic sdk
#
rild.libpath=/system/lib/mtk-ril.so
rild.libargs=-d /dev/ttyC0
# MTK, Infinity, 20090720 {
wifi.interface=wlan0
# MTK, Infinity, 20090720 }
# MTK, mtk03034, 20101210 {
ro.mediatek.wlan.wsc=1
# MTK, mtk03034 20101210}
# MTK, mtk03034, 20110318 {
ro.mediatek.wlan.p2p=1
# MTK, mtk03034 20110318}
# MTK, mtk03034, 20101213 {
mediatek.wlan.ctia=0
# MTK, mtk03034 20101213}
#
wifi.tethering.interface=ap0
#
ro.opengles.version=131072
wifi.direct.interface=p2p0
dalvik.vm.heapstartsize=16m
dalvik.vm.heapgrowthlimit=64m
dalvik.vm.heapsize=256m
# USB MTP WHQL
ro.sys.usb.mtp.whql.enable=0
# Power off opt in IPO
sys.ipo.pwrdncap=2
ro.sys.usb.storage.type=mtp,mass_storage
# USB BICR function
ro.sys.usb.bicr=yes
# USB Charge only function
ro.sys.usb.charging.only=yes
# audio
ro.camera.sound.forced=0
ro.audio.silent=0
ro.zygote.preload.enable=0
# temporary enables NAV bar (soft keys)
qemu.hw.mainkeys=1
ro.kernel.zio=38,108,105,16
ro.cofig.onlinemusic.enabled=true
ro.dual.sim.phone=true
config.y511.ringtone2=ringtone_gemini
#
# ADDITIONAL_BUILD_PROPERTIES
#
persist.gemini.sim_num=2
ro.gemini.smart_sim_switch=false
ro.gemini.smart_3g_switch=0
ril.specific.sm_cause=0
bgw.current3gband=0
ro.build.display.wtid=SW_S97511A1_V042_M11_HUAWEI_Y511T_MP
ril.external.md=0
ro.sf.hwrotation=0
ril.current.share_modem=2
curlockscreen=1
ro.mediatek.gemini_support=true
ro.operator.optr=OP01
ro.operator.spec=SPEC0200
ro.operator.seg=SEGC
persist.radio.fd.counter=15
persist.radio.fd.off.counter=5
persist.radio.fd.r8.counter=15
persist.radio.fd.off.r8.counter=5
persist.mtk.wcn.combo.chipid=-1
drm.service.enabled=false
fmradio.driver.enable=1
ril.first.md=1
ril.flightmode.poweroffMD=0
ril.telephony.mode=2
dalvik.vm.mtk-stack-trace-file=/data/anr/mtk_traces.txt
mediatek.wlan.chip=mediatek.wlan.module.postfix=_
ril.radiooff.poweroffMD=0
ro.config.notification_sound=Welcoming.ogg
ro.config.alarm_alert=Pmukkale.ogg
ro.config.ringtone=Huawei_Tune.ogg
ro.config.ringtone_gemini=Elevator_Bossa.ogg
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
ro.config.hw_voicerecord=true
ro.config.callrecord.enabled=1
ro.HOME_APP_ADJ=1
ro.telephony.call_ring.delay=0
ro.media.dec.jpeg.memcap=5000000
ro.media.enc.hprof.vid.bps=5000000

我去，死机了