KVM: ppc: stop leaking host memory on VM exit
When the VM exits, we must call put_page() for every page referenced in the
shadow TLB.
Without this patch, we usually leak 30-50 host pages (120 - 200 KiB with 4 KiB
pages). The maximum number of pages leaked is the size of our shadow TLB, 64
pages.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 90a6fc4..fda9baa 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -238,6 +238,7 @@
void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
{
+ kvmppc_core_destroy_mmu(vcpu);
}
/* Note: clearing MSR[DE] just means that the debug interrupt will not be