KVM: MMU: speed up mmu_unsync_walk
Cache the unsynced children information in a per-page bitmap. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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Cache the unsynced children information in a per-page bitmap. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>