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(parent: 4e3645c) | patch
x86_64: Ensure frame-table compression leaves MAX_ORDER aligned
authorKeir Fraser <keir.fraser@citrix.com>
Wed, 1 Sep 2010 09:17:49 +0000 (10:17 +0100)
committerKeir Fraser <keir.fraser@citrix.com>
Wed, 1 Sep 2010 09:17:49 +0000 (10:17 +0100)
commitbdb5439c3f5d1dbf50a149c6ecb1cbdd1d3b182d
tree8e214a48419c42663c79a3d1e23acde229ba20detree | snapshot
parent4e3645c1b018f7a48b1bdfccca04a3b9008af1e9commit | diff
x86_64: Ensure frame-table compression leaves MAX_ORDER aligned
contiguous ranges of page_info structs. This allows page-pointer
arithmetic in places like our buddy allocator.

This restriction was already implicitly guaranteed, but it is good to
make it explicit in the pdx-related initialisation.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
xen/arch/x86/x86_64/mm.c diff | blob | history
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