Re: [PATCH v3 2/3] ksm: perform a range-walk in break_ksm

[David Hildenbrand]

> +			folio = vm_normal_folio(walk->vma, addr, pte);
> +		} else if (!pte_none(pte)) {
> +			swp_entry_t entry = pte_to_swp_entry(pte);
> +
> +			/*
> +			 * As KSM pages remain KSM pages until freed, no need to wait
> +			 * here for migration to end.
> +			 */
> +			if (is_migration_entry(entry))
> +				folio = pfn_swap_entry_folio(entry);
> +		}
> +		/* return 1 if the page is an normal ksm page or KSM-placed zero page */
> +		found = (folio && folio_test_ksm(folio)) || (pte_present(pte)
> +			&& is_ksm_zero_pte(pte));

Same NIT as for previous patch.

Apart from that LGTM, thanks!

Acked-by: David Hildenbrand (Red Hat) <david@xxxxxxxxxx>

--
Cheers

David