[uml-user] kmalloc returns NULL during module init

[Han <kee...@gm...>]

Hi,

I am trying to build and to install a kernel module into UML.  The UML
kernel is built from linux 2.6.2, 32-bit i386.  The rootfs is
Debian-Squeeze-x86-root_fs.   I was able to build the kernel module
successful. But when I tried to insmod, I got the kernel panic.
After some debugging,  I found the kmalloc() during module init
returns NULL, and it was dereferenced later, hence the panic.

my question is:  is kmalloc() supported in UML (during kernel module
init)?  Is there anything special I need to do?

thanks
Han