Re: [PATCHv12 26/37] mm: rework mapcount accounting to enable 4k mapping of THPs

[Naoya Horiguchi]

On Tue, Oct 06, 2015 at 06:23:53PM +0300, Kirill A. Shutemov wrote:
...
> diff --git a/mm/migrate.c b/mm/migrate.c
> index 0268013cce63..45fadab47c53 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -165,7 +165,7 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma,
>  		if (PageAnon(new))
>  			hugepage_add_anon_rmap(new, vma, addr);
>  		else
> -			page_dup_rmap(new);
> +			page_dup_rmap(new, false);

This is for hugetlb page, so the second argument should be true, right?

Thanks,
Naoya Horiguchi

>  	} else if (PageAnon(new))
>  		page_add_anon_rmap(new, vma, addr, false);
>  	else--
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