On 7/19/23 01:44, Sean Christopherson wrote:
@@ -413,6 +454,9 @@ int kvm_gmem_create(struct kvm *kvm, struct kvm_create_guest_memfd *args)u64 flags = args->flags; u64 valid_flags = 0;+ if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE))+ valid_flags |= KVM_GUEST_MEMFD_ALLOW_HUGEPAGE; +
I think it should be always allowed. The outcome would just be "never have a hugepage" if thp is not enabled in the kernel.
Paolo