| Date | Wed, 17 Mar 2021 18:20:32 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH v4 08/25] mm: Handle per-folio private data |
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> +static inline void attach_page_private(struct page *page, void *data) > +{ > + attach_folio_private((struct folio *)page, data); > +} > + > +static inline void *detach_page_private(struct page *page) > +{ > + return detach_folio_private((struct folio *)page); > +}
I hate these open code casts. Can't we have a single central page_to_folio helper, which could also grow a debug check (maybe under a new config option) to check that it really is called on a head page?
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