Re: [PATCH V3] mm: Standardize printing for pgtable entries

[Matthew Wilcox]

On Thu, Jul 09, 2026 at 10:13:34AM +0530, Anshuman Khandual wrote:
> @@ -532,34 +575,34 @@ static void __print_bad_page_map_pgtable(struct mm_struct *mm, unsigned long add
>  	 * see locking requirements for print_bad_page_map().
>  	 */
>  	pgdp = pgd_offset(mm, addr);
> -	pgdv = pgd_val(*pgdp);
> +	ptval_to_str(pgd_str, pgd_val(*pgdp));
>  
>  	if (!pgd_present(*pgdp) || pgd_leaf(*pgdp)) {
> -		pr_alert("pgd:%08llx\n", pgdv);
> +		pr_alert("pgd:%s\n", pgd_str);

Why can't we do this as:

		pr_alert("pgd:%*phN\n", sizeof(pgdv), &pgdv);

It'd save us all this stack space.