xen: release unused free memory

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Scan an e820 table and release any memory which lies between e820 entries,
as it won't be used and would just be wasted.  At present this is just to
release any memory beyond the end of the e820 map, but it will also deal
with holes being punched in the map.

Derived from patch by Miroslav Rezanina <mrezanin@redhat.com>

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

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This commit is contained in:

Miroslav Rezanina 2009-09-16 03:56:17 -04:00 • committed by Jeremy Fitzhardinge

parent e40152ee1e

commit 093d7b4639

2 changed files with 53 additions and 1 deletions

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1

arch/x86/xen/enlighten.c

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53

arch/x86/xen/setup.c

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