[PATCH v2] powerpc/mm: Avoid calling arch_enter/leave_lazy_mmu() in set_ptes

[Matthew Wilcox]

On Tue, Oct 24, 2023 at 08:06:04PM +0530, Aneesh Kumar K.V wrote:
>  		ptep++;
> -		pte = __pte(pte_val(pte) + (1UL << PTE_RPN_SHIFT));
>  		addr += PAGE_SIZE;
> +		/*
> +		 * increment the pfn.
> +		 */
> +		pte = pfn_pte(pte_pfn(pte) + 1, pte_pgprot((pte)));

when i looked at this, it generated shit code.  did you check?
why did you bother changing this?