Re: [PATCH mm-unstable v2 01/10] mm/kvm: add mmu_notifier_ops->test_clear_young()

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On Fri, May 26, 2023 at 05:44:26PM -0600, Yu Zhao wrote:
> +/*
> + * Architectures that implement kvm_arch_test_clear_young() should override
> + * kvm_arch_has_test_clear_young().
> + *
> + * kvm_arch_has_test_clear_young() is allowed to return false positive, i.e., it
> + * can return true if kvm_arch_test_clear_young() is supported but disabled due
> + * to some runtime constraint. In this case, kvm_arch_test_clear_young() should

Is it a typo here?  s/kvm_arch_test_clear_young/kvm_arch_has_test_clear_young/.

> +static inline int mmu_notifier_clear_young(struct mm_struct *mm,
> +					   unsigned long start,
> +					   unsigned long end)
> +{
> +	return 0;
> +}
> +

This looks irrelevant to the patch but a fix for commit 1d7715c676a1
("mmu-notifier: add clear_young callback") instead.



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