Xen devel - Oct 2006 - [PATCH] mini-os: Separating x86 specific memory management parts

Hi Gregor,

for the ia64 port I separated the most x86 specific parts and moved these to 
architecture specific files.
There are now
minios/mm.c
minios/arch/x86/mm.c
minios/include/mm.h
minios/include/x86/arch_mm.h

In init_mm() now a special arch_init_mm() and 
arch_init_demand_mapping_area() are called. Maybe the 
arch_init_demand_mapping_area()  can be moved/changed later, because
it''s not
needed on ia64.

I also added a new macro PHYS_PFN()  and used it in the buddy allocator.
A second change is the use of to_virt() instead of VIRT_START.
Please can you have a look and send your comments!

Thanks.
Dietmar.


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