How to change /proc to the writable directory

[John Zhou]

Hi,

I have a based mpc82xx board running embedded linux. But, I met a problem now:

when I boot kernel and mount file system( cramfs and JFFS), for default, the dir /proc is not writable that located in cramfs. Now, I want to change it to be writable. which places/functions should I modify?

In cramfs I have these dirs:
/bin
/root
/boot
/sbin
/usr
/mnt
/dev/ --> /mnt/rwfs/dev
/proc --> /mnt/rwfs/proc
/etc  --> /mnt/rwfs/etc
/tmp  --> /mnt/rwfs/tmp
/var  --> /mnt/rwfs/var
...

In R/W JFFS I have these dirs:

dev
proc
etc
tmp
var

Thanks in advance!
John

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