[RFC PATCH v11 13/29] KVM: Add transparent hugepage support for dedicated guest memory
Paolo Bonzini
pbonzini at redhat.com
Fri Jul 21 15:07:27 UTC 2023
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
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