Re: [PATCH v5 10/12] mm: constify various inline test functions for improved const-correctness

[David Hildenbrand]

On 01.09.25 14:30, Max Kellermann wrote:
> We select certain test functions from mm_inline.h which either invoke
> each other, functions that are already const-ified, or no further
> functions.
>
> It is therefore relatively trivial to const-ify them, which
> provides a basis for further const-ification further up the call
> stack.
>
> One exception is the function folio_migrate_refs() which does write to
> the "new" folio pointer; there, only the "old" folio pointer is being
> constified; only its "flags" field is read, but nothing written.
>
> Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
> Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
> ---

Also some getters hiding (and functions that actually implement logic -- 
folio_migrate_refs())

[...]

>   
> -static inline int folio_lru_gen(struct folio *folio)
> +static inline int folio_lru_gen(const struct folio *folio)

*const ?

--
Cheers

David / dhildenb