Re: [PATCH v3 3/4] mm/swap: remove confusing checking for non_swap_entry() in swap_ra_info()

Miaohe Lin writes: > The non_swap_entry() was used for working with VMA based swap readahead > via commit ec560175c0b6 ("mm, swap: VMA based swap readahead"). At that time, the non_swap_entry() checking is necessary because the function is called before checking that in do_swap_page(). > Then

[PATCH v3 3/4] mm/swap: remove confusing checking for non_swap_entry() in swap_ra_info()

The non_swap_entry() was used for working with VMA based swap readahead via commit ec560175c0b6 ("mm, swap: VMA based swap readahead"). Then it's moved to swap_ra_info() since commit eaf649ebc3ac ("mm: swap: clean up swap readahead"). But this makes the code confusing. The non_swap_entry() check