[Xen-devel] [PATCH 0/9] mini-os: prepare for support of ballooning

[Juergen Gross <jgross@xxxxxxxx>]

Do some cleanups, a small correction and add some basic features to
lay groundwork for support of ballooning in Mini-OS.

The main visible change is the virtual memory layout: to be able to
add memory to the running Mini-OS we need to have some spare areas
especially after the 1:1 mapping of physical memory.

The whole series has been tested with:

- pure mini-os
- xenstore stubdom
- ioemu stubdom
- pvgrub 64 bit

pvgrub 32 bit didn't work before applying the series, it just entered
the grub shell. With the series applied the behavior was exactly the
same.

Juergen Gross (9):
  mini-os: correct first free pfn
  mini-os: remove unused alloc_contig_pages() function
  mini-os: remove MM_DEBUG code
  mini-os: add description of x86 memory usage
  mini-os: add nr_free_pages counter
  mini-os: let memory allocation fail if no free page available
  mini-os: add ballooning config item
  mini-os: get maximum memory size from hypervisor
  mini-os: modify virtual memory layout for support of ballooning

 Makefile              |   2 +
 arch/arm/mm.c         |   2 +-
 arch/x86/mm.c         | 191 ++++----------------------------------------------
 include/mm.h          |   5 +-
 include/x86/arch_mm.h |  44 ++++++++++++
 mm.c                  |  95 +++++++++----------------
 6 files changed, 97 insertions(+), 242 deletions(-)

-- 
2.6.6


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