Message ID | 20200816235154.11508-2-matthew.ruffell@canonical.com |
---|---|
State | New |
Headers | show |
Series | KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host | expand |
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 706b13f0c698..3f7f1d720995 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -164,6 +164,7 @@ bool kvm_is_reserved_pfn(kvm_pfn_t pfn) */ if (pfn_valid(pfn)) return PageReserved(pfn_to_page(pfn)) && + !is_zero_pfn(pfn) && !kvm_is_zone_device_pfn(pfn); return true;