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xen/p2m: Allocate p2m tracking pages on override
authorDaniel De Graaf <dgdegra@tycho.nsa.gov>
Thu, 24 Mar 2011 12:10:07 +0000 (08:10 -0400)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 24 Mar 2011 14:36:01 +0000 (10:36 -0400)
It is possible to add a p2m override on pages that are currently mapped
to INVALID_P2M_ENTRY; in particular, this will happen when using
ballooned pages in gntdev. This means that set_phys_to_machine must be
used instead of __set_phys_to_machine.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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