make install error

[Rohit Neupane]

Well, the first kernel that I compiled didn't boot and i had to switch 
back to the kernel.old. Now I've again compiled custom kernel. But i get 
error during the make install. The problem is nobody has write 
perpission in /kernel and /modules. even the chown command fails saying 
'Operation not permitted'. It seems /kernel file is locked!! What can I 
do now?

thanks a lot,
Rohit Neupane