xen64: map an initial chunk of physical memory

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Early in boot, map a chunk of extra physical memory for use later on.
We need a pool of mapped pages to allocate further pages to construct
pagetables mapping all physical memory.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Jeremy Fitzhardinge 2008-07-08 15:06:52 -07:00 • committed by Ingo Molnar

parent 22911b3f1c

commit d114e1981c

1 changed files with 69 additions and 10 deletions

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arch/x86/xen/enlighten.c

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