Re: [PATCH 7/8] mm: drop page_index/page_file_offset and convert swap helpers to use folio

From: Matthew Wilcox
Date: Wed Apr 17 2024 - 23:31:28 EST


On Thu, Apr 18, 2024 at 01:55:28PM +1200, Barry Song wrote:
> I also find it rather odd that folio_file_page() is utilized for both
> swp and file.
>
> mm/memory.c <<do_swap_page>>
> page = folio_file_page(folio, swp_offset(entry));
> mm/swap_state.c <<swapin_readahead>>
> return folio_file_page(folio, swp_offset(entry));
> mm/swapfile.c <<unuse_pte>>
> page = folio_file_page(folio, swp_offset(entry));
>
> Do you believe it's worthwhile to tidy up?

Why do you find it odd? What would you propose instead?