linux-kernel - Re: [PATCH -next 1/3] mm/debug_vm_pgtable: Fix one comment mistake

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Message-ID: <e157988e-2698-9aff-eff1-58aa0ec70fed@arm.com>
Date:   Thu, 1 Apr 2021 20:04:54 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     Shixin Liu <liushixin2@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next 1/3] mm/debug_vm_pgtable: Fix one comment mistake


On 4/1/21 7:53 AM, Shixin Liu wrote:
> The branch condition should be CONFIG_TRANSPARENT_HUGEPAGE instead of
> CONFIG_ARCH_HAS_PTE_DEVMAP.
> 
> Signed-off-by: Shixin Liu <liushixin2@...wei.com>
> ---
>  mm/debug_vm_pgtable.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
> index 05efe98a9ac2..a5c71a94e804 100644
> --- a/mm/debug_vm_pgtable.c
> +++ b/mm/debug_vm_pgtable.c
> @@ -755,12 +755,12 @@ static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot)
>  	WARN_ON(!pmd_swp_soft_dirty(pmd_swp_mksoft_dirty(pmd)));
>  	WARN_ON(pmd_swp_soft_dirty(pmd_swp_clear_soft_dirty(pmd)));
>  }
> -#else  /* !CONFIG_ARCH_HAS_PTE_DEVMAP */
> +#else  /* !CONFIG_TRANSPARENT_HUGEPAGE */
>  static void __init pmd_soft_dirty_tests(unsigned long pfn, pgprot_t prot) { }
>  static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot)
>  {
>  }
> -#endif /* CONFIG_ARCH_HAS_PTE_DEVMAP */
> +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
>  
>  static void __init pte_swap_tests(unsigned long pfn, pgprot_t prot)
>  {
> 

LGTM, thanks for catching. But does not need a patch of it's
own, instead should be folded with other potential clean ups.