Therefore, we can probably put the kernel stack in virtual memory,
and grow it at will; keeping the changes entirely local to the VM
code. changing anything too much pain.
One place to watch out is where at boot time the scsi code throws
on-kernel-stack buffers during the initial scsi bus probe to the
drivers. I ran into this quickly on the Sparc where I was assuming
that I could do the usual "foo_scsi_buffer - PAGE_OFFSET = physpage".
Later,
David S. Miller
davem@caip.rutgers.edu