Dynamic pcpu, arm, mips, powerpc, sun, etc. help needed

[Peter Grehan]

> As for sparc64 allocating the storage for the dynamic area
> from end probably isn't a good idea as the pmap code assumes
> that the range from KERNBASE to end is covered by the pages
> allocated by and locked into the TLB for the kernel by the
> loader

  Ditto for ppc. It's possible to get the additional space from within 
or after return from pmap_bootstrap() (like thread0's kstack, or the 
msgbuf).

later,

Peter.