From: Michal Hocko <mhocko@suse.cz>
To: Will Deacon <will.deacon@arm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, akpm@linux-foundation.org,
Catalin Marinas <catalin.marinas@arm.com>,
Arnd Bergmann <arnd@arndb.de>,
Steve Capper <steve.capper@arm.com>
Subject: Re: [PATCH 1/3] mm: thp: Fix the pmd_clear() arguments in pmdp_get_and_clear()
Date: Wed, 12 Sep 2012 17:30:16 +0200 [thread overview]
Message-ID: <20120912153016.GS21579@dhcp22.suse.cz> (raw)
In-Reply-To: <1347382036-18455-2-git-send-email-will.deacon@arm.com>
On Tue 11-09-12 17:47:14, Will Deacon wrote:
> From: Catalin Marinas <catalin.marinas@arm.com>
>
> The CONFIG_TRANSPARENT_HUGEPAGE implementation of pmdp_get_and_clear()
> calls pmd_clear() with 3 arguments instead of 1.
only for !__HAVE_ARCH_PMDP_GET_AND_CLEAR which doesn't seem to happen
because x86 defines this and it uses pmd_update.
>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
> Signed-off-by: Steve Capper <steve.capper@arm.com>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
Other than that it looks good.
Reviewed-by: Michal Hocko <mhocko@suse.cz>
> ---
> 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
>
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2012-09-12 15:30 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-11 16:47 [PATCH 0/3] Minor changes to common hugetlb code for ARM Will Deacon
2012-09-11 16:47 ` [PATCH 1/3] mm: thp: Fix the pmd_clear() arguments in pmdp_get_and_clear() Will Deacon
2012-09-11 17:12 ` Kirill A. Shutemov
2012-09-12 15:30 ` Michal Hocko [this message]
2012-09-11 16:47 ` [PATCH 2/3] mm: thp: Fix the update_mmu_cache() last argument passing in mm/huge_memory.c Will Deacon
2012-09-11 17:38 ` Kirill A. Shutemov
2012-09-12 15:40 ` Michal Hocko
2012-09-12 15:51 ` Catalin Marinas
2012-09-15 13:38 ` Ralf Baechle
2012-09-18 19:33 ` Andrew Morton
2012-09-19 9:12 ` Catalin Marinas
2012-09-19 15:53 ` Ralf Baechle
2012-09-20 12:44 ` Will Deacon
2012-09-20 19:32 ` David Miller
2012-09-11 16:47 ` [PATCH 3/3] mm: Introduce HAVE_ARCH_TRANSPARENT_HUGEPAGE Will Deacon
2012-09-11 17:41 ` Kirill A. Shutemov
2012-09-12 15:32 ` Michal Hocko
2012-09-12 18:06 ` Chris Metcalf
2012-09-12 18:10 ` Will Deacon
2012-09-13 19:05 ` Andrew Morton
2012-09-13 21:26 ` Will Deacon
2012-09-13 21:27 ` Stephen Rothwell
2012-09-13 21:40 ` Andrew Morton
2012-09-12 15:27 ` [PATCH 0/3] Minor changes to common hugetlb code for ARM Michal Hocko
2012-09-12 15:55 ` Will Deacon
2012-09-13 12:22 ` Michal Hocko
2012-09-13 0:12 ` Andrea Arcangeli
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