KVM: MMU: Partial swapping of guest memory

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This allows guest memory to be swapped.  Pages which are currently mapped
via shadow page tables are pinned into memory, but all other pages can
be freely swapped.

The patch makes gfn_to_page() elevate the page's reference count, and
introduces kvm_release_page() that pairs with it.

Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

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This commit is contained in:

Izik Eidus 2007-10-18 11:09:33 +02:00 • committed by Avi Kivity

parent cea7bb2128

commit 8a7ae055f3

4 changed files with 84 additions and 41 deletions

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2

drivers/kvm/kvm.h

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83

drivers/kvm/kvm_main.c

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14

drivers/kvm/mmu.c

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26

drivers/kvm/paging_tmpl.h

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