linux-kernel - Re: [PATCH] x86: Define only {pud/pmd}_{set/clear}

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Message-ID: <d18bec2b-8a6e-b218-f92b-87016db8a3a7@infradead.org>
Date:   Thu, 13 May 2021 12:56:59 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Mike Rapoport <rppt@...nel.org>
Cc:     linux-arch@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        sparclinux@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] x86: Define only {pud/pmd}_{set/clear}_huge when usefull

On 5/13/21 11:27 AM, Christophe Leroy wrote:
> When PUD and/or PMD are folded, those functions are useless
> and we have a stub in linux/pgtable.h
> 
> Reported-by: Randy Dunlap <rdunlap@...radead.org>
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
> ---
>  arch/x86/mm/pgtable.c | 34 +++++++++++++++++++---------------
>  1 file changed, 19 insertions(+), 15 deletions(-)

WorksForMe. Thanks.

Acked-by: Randy Dunlap <rdunlap@...radead.org> # build-tested

-- 
~Randy