Re: [PATCH -next 2/7] mm: memory: convert do_anonymous_page() to use a folio

[Matthew Wilcox <willy@xxxxxxxxxxxxx>]

On Thu, Jan 12, 2023 at 04:30:01PM +0800, Kefeng Wang wrote:
> Convert do_anonymous_page() to use a folio and replace related functions
> to folio functions.

I think this patch has a prerequisite of sorting out
alloc_zeroed_user_highpage_movable().  That way we can get rid of
the 'page' variable inside this function altogether.

>  	inc_mm_counter(vma->vm_mm, MM_ANONPAGES);
>  	page_add_new_anon_rmap(page, vma, vmf->address);

folio_add_new_anon-rmap().

> -	lru_cache_add_inactive_or_unevictable(page, vma);
> +	folio_add_lru_vma(folio, vma);