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Date: Wed, 6 Mar 2024 08:27:17 +0200
From: Mike Rapoport <rppt@...nel.org>
To: peterx@...hat.com
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
Christophe Leroy <christophe.leroy@...roup.eu>, x86@...nel.org,
"Kirill A . Shutemov" <kirill@...temov.name>,
Jason Gunthorpe <jgg@...dia.com>, Yang Shi <shy828301@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
linuxppc-dev@...ts.ozlabs.org, Muchun Song <muchun.song@...ux.dev>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>
Subject: Re: [PATCH v3 05/10] mm/x86: Drop two unnecessary pud_leaf()
definitions
On Tue, Mar 05, 2024 at 12:37:45PM +0800, peterx@...hat.com wrote:
> From: Peter Xu <peterx@...hat.com>
>
> pud_leaf() has a fallback macro defined in include/linux/pgtable.h already.
> Drop the extra two for x86.
>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: x86@...nel.org
> Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
> Acked-by: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Peter Xu <peterx@...hat.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@...nel.org>
> ---
> arch/x86/include/asm/pgtable.h | 1 -
> include/asm-generic/pgtable-nopmd.h | 1 -
> 2 files changed, 2 deletions(-)
>
> diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
> index d6e993a5659f..9db7a38a0e9f 100644
> --- a/arch/x86/include/asm/pgtable.h
> +++ b/arch/x86/include/asm/pgtable.h
> @@ -1097,7 +1097,6 @@ static inline int pud_bad(pud_t pud)
> return (pud_flags(pud) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0;
> }
> #else
> -#define pud_leaf pud_large
> static inline int pud_large(pud_t pud)
> {
> return 0;
> diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
> index 8ffd64e7a24c..fa27e16bbe1b 100644
> --- a/include/asm-generic/pgtable-nopmd.h
> +++ b/include/asm-generic/pgtable-nopmd.h
> @@ -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; }
> static inline void pud_clear(pud_t *pud) { }
> #define pmd_ERROR(pmd) (pud_ERROR((pmd).pud))
>
> --
> 2.44.0
>
>
--
Sincerely yours,
Mike.
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