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About modify DM8127 ipnc CMEM memory size

Genius 3400 points

Hi all!
On the DM8127 ipnc3.0 use 512M memory in the lowpower mode,

we want to modify the CMEM size.Now we modify the config_512M.bld file as follows:
1、
/* first 256MB */
var LINUX_SIZE = 64*MB;       //80*MB
var CMEM_SIZE = 80*MB       //64*MB
var SR1_SIZE = 56*MB;
var VIDEO_M3_CODE_SIZE = 2*MB;
var VIDEO_M3_DATA_SIZE = 20*MB;
var DSS_M3_CODE_SIZE = 2*MB;
var DSS_M3_DATA_SIZE = 20*MB;
var DSP_CODE_SIZE = 2*MB;  
var DSP_DATA_SIZE = 12*MB; 

Then run make clean;make 

2、modify uboot bootcmd
setenv bootargs 'console=ttyO0,115200n8 noinitrd mem=64M vram=4M notifyk.vpssm3_sva=0xBFD00000 root=/dev/mtdblock5 rw rootfstype=squashfs ip=192.168.42.84:192.168.42.2:192.168.42.2:255.255.255.0:::off eth=00:0C:0C:A0:09:1F cmemk.phys_start=0x84000000 cmemk.phys_end=0x89000000

cmemk.allowOverlap=1 earlyprintk';

But when run ./system_server,there are no encode info,only print 

[host]
Usecase is Active !!!

Any one konw how to modify the CMEM memory?