linux-kernel - Re: [PATCH 1/3] mm: thp: Fix the pmd_clear() arguments in pmdp_get_and

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Message-ID: <20120911171215.GA29664@shutemov.name>
Date:	Tue, 11 Sep 2012 20:12:15 +0300
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Will Deacon <will.deacon@....com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, akpm@...ux-foundation.org,
	mhocko@...e.cz, Catalin Marinas <catalin.marinas@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Steve Capper <steve.capper@....com>
Subject: Re: [PATCH 1/3] mm: thp: Fix the pmd_clear() arguments in
 pmdp_get_and_clear()

On Tue, Sep 11, 2012 at 05:47:14PM +0100, Will Deacon wrote:
> From: Catalin Marinas <catalin.marinas@....com>
> 
> The CONFIG_TRANSPARENT_HUGEPAGE implementation of pmdp_get_and_clear()
> calls pmd_clear() with 3 arguments instead of 1.
> 
> Cc: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> Signed-off-by: Steve Capper <steve.capper@....com>
> Signed-off-by: Will Deacon <will.deacon@....com>

Reviewed-by: Kirill A. Shutemov <kirill@...temov.name>

> ---
>  include/asm-generic/pgtable.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
> index ff4947b..f7e0206 100644
> --- a/include/asm-generic/pgtable.h
> +++ b/include/asm-generic/pgtable.h
> @@ -87,7 +87,7 @@ static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm,
>  				       pmd_t *pmdp)
>  {
>  	pmd_t pmd = *pmdp;
> -	pmd_clear(mm, address, pmdp);
> +	pmd_clear(pmdp);
>  	return pmd;
>  }
>  #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
> -- 
> 1.7.4.1
> 
> --
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-- 
 Kirill A. Shutemov
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