Re: [RFC PATCH v11 13/29] KVM: Add transparent hugepage support for dedicated guest memory

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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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