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[PATCH] KVM: MMU: oom handling

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When beginning to process a page fault, make sure we have enough shadow pages
available to service the fault.  If not, free some pages.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Avi Kivity
2007-01-05 16:36:47 -08:00
committed by Linus Torvalds
parent cc4529efc7
commit ebeace8609
5 changed files with 37 additions and 43 deletions
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2
drivers/kvm/svm.c
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@@ -861,7 +861,7 @@ static int pf_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
fault_address = vcpu->svm->vmcb->control.exit_info_2;
error_code = vcpu->svm->vmcb->control.exit_info_1;
if (!vcpu->mmu.page_fault(vcpu, fault_address, error_code)) {
if (!kvm_mmu_page_fault(vcpu, fault_address, error_code)) {
spin_unlock(&vcpu->kvm->lock);
return 1;
}