On Fri, 27 Feb 2009 17:51:17 -0800 Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> This series adds a very simple brk-like allocator for very early
> allocations.  By default it extends the bss segment, starting at _end.
> 
> This is used to allocate x86-32's initial head_32.S pagetable, removing
> init_pg_table_start/end and pg0, replacing them with brk allocations.

Changelog fails to provide a reason for this?

> dmi_alloc() is also changed to use extend_brk.

Seems a large patchset just to clean up DMI a bit ;)

I assume that xen needs this?  domU or dom0?