Re: [PATCH v2 4/7] mm/x86: Drop two unnecessary pud_leaf() definitions

From: Jason Gunthorpe
Date: Mon Mar 04 2024 - 08:04:00 EST


On Thu, Feb 29, 2024 at 04:42:55PM +0800, peterx@xxxxxxxxxx wrote:
> From: Peter Xu <peterx@xxxxxxxxxx>
>
> pud_leaf() has a fallback macro defined in include/linux/pgtable.h already.
> Drop the extra two for x86.
>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxxxx>
> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
> Cc: x86@xxxxxxxxxx
> Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
> ---
> arch/x86/include/asm/pgtable.h | 1 -
> include/asm-generic/pgtable-nopmd.h | 1 -
> 2 files changed, 2 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

> @@ -31,7 +31,6 @@ static inline int pud_none(pud_t pud) { return 0; }
> static inline int pud_bad(pud_t pud) { return 0; }
> static inline int pud_present(pud_t pud) { return 1; }
> static inline int pud_user(pud_t pud) { return 0; }
> -static inline int pud_leaf(pud_t pud) { return 0; }

It would be nice to have a final patch making the signatures
consistent on all the arch inlines, it should return bool not int.

Jason