From: "Kirill A. Shutemov" <kirill@shutemov.name>
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,
mhocko@suse.cz, Catalin Marinas <catalin.marinas@arm.com>,
Steve Capper <steve.capper@arm.com>
Subject: Re: [PATCH 2/3] mm: thp: Fix the update_mmu_cache() last argument passing in mm/huge_memory.c
Date: Tue, 11 Sep 2012 20:38:34 +0300 [thread overview]
Message-ID: <20120911173833.GA29805@shutemov.name> (raw)
In-Reply-To: <1347382036-18455-3-git-send-email-will.deacon@arm.com>
On Tue, Sep 11, 2012 at 05:47:15PM +0100, Will Deacon wrote:
> From: Catalin Marinas <catalin.marinas@arm.com>
>
> The update_mmu_cache() takes a pointer (to pte_t by default) as the last
> argument but the huge_memory.c passes a pmd_t value. The patch changes
> the argument to the pmd_t * pointer.
>
> 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>
Reviewed-by: Kirill A. Shutemov <kirill@shutemov.name>
> ---
> mm/huge_memory.c | 6 +++---
> 1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index 57c4b93..4aa6d02 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -934,7 +934,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
> entry = pmd_mkyoung(orig_pmd);
> entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
> if (pmdp_set_access_flags(vma, haddr, pmd, entry, 1))
> - update_mmu_cache(vma, address, entry);
> + update_mmu_cache(vma, address, pmd);
> ret |= VM_FAULT_WRITE;
> goto out_unlock;
> }
> @@ -986,7 +986,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
> pmdp_clear_flush_notify(vma, haddr, pmd);
> page_add_new_anon_rmap(new_page, vma, haddr);
> set_pmd_at(mm, haddr, pmd, entry);
> - update_mmu_cache(vma, address, entry);
> + update_mmu_cache(vma, address, pmd);
> page_remove_rmap(page);
> put_page(page);
> ret |= VM_FAULT_WRITE;
> @@ -1989,7 +1989,7 @@ static void collapse_huge_page(struct mm_struct *mm,
> BUG_ON(!pmd_none(*pmd));
> page_add_new_anon_rmap(new_page, vma, address);
> set_pmd_at(mm, address, pmd, _pmd);
> - update_mmu_cache(vma, address, _pmd);
> + update_mmu_cache(vma, address, pmd);
> prepare_pmd_huge_pte(pgtable, mm);
> spin_unlock(&mm->page_table_lock);
>
> --
> 1.7.4.1
>
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org. For more info on Linux MM,
> see: http://www.linux-mm.org/ .
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--
Kirill A. Shutemov
--
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next prev parent reply other threads:[~2012-09-11 17:38 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
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 [this message]
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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