hi,

> the problem that uvm_km_check_empty() noticed is from the call in
> pmap_init_md().  here we try to claim the virtual space which is already
> backed by PTEs set up back in pmap_bootstrap().  hopefully we can just
> use the normal pmap interfaces to create those mappings later, but I haven't
> tried it yet.

is there any reason these areas are reserved using uvm_map,
rather than using the same way as kernel text?  merely to save some va?

YAMAMOTO Takashi