Re: [PATCH 4/11] KVM/MMU: Introduce tlb flush with range list

[Paolo Bonzini]

On 04/01/19 09:53, lantianyu1986@xxxxxxxxx wrote:
>  struct kvm_mmu_page {
>  	struct list_head link;
> +
> +	/*
> +	 * Tlb flush with range list uses struct kvm_mmu_page as list entry
> +	 * and all list operations should be under protection of mmu_lock.
> +	 */
> +	struct list_head flush_link;
>  	struct hlist_node hash_link;
>  	bool unsync;
>  
> @@ -443,6 +449,7 @@ struct kvm_mmu {

Again, it would be nice not to grow the struct too much, though I
understand that it's already relatively big (168 bytes).

Can you at least make this an hlist, so that it only takes a single word?

Paolo