linux-kernel - Re: [PATCH] arm64/mm: Drop SWAPPER_INIT_MAP

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Message-ID: <d4af3ec0-2e2f-af1e-f536-e27aa62b876e@redhat.com>
Date:   Mon, 14 Jun 2021 22:32:38 +1000
From:   Gavin Shan <gshan@...hat.com>
To:     Anshuman Khandual <anshuman.khandual@....com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64/mm: Drop SWAPPER_INIT_MAP_SIZE

On 6/14/21 8:10 PM, Anshuman Khandual wrote:
> The commit cdef5f6e9e0e ("arm64: mm: allocate pagetables anywhere") had
> dropped the last reference to SWAPPER_INIT_MAP_SIZE. Hence just clean up.
> 
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> ---
> This applies on v5.13-rc6.
> 
>   arch/arm64/include/asm/kernel-pgtable.h | 3 ---
>   1 file changed, 3 deletions(-)
> 

Reviewed-by: Gavin Shan <gshan@...hat.com>

> diff --git a/arch/arm64/include/asm/kernel-pgtable.h b/arch/arm64/include/asm/kernel-pgtable.h
> index a848da2b4d90..1260187adb31 100644
> --- a/arch/arm64/include/asm/kernel-pgtable.h
> +++ b/arch/arm64/include/asm/kernel-pgtable.h
> @@ -100,9 +100,6 @@
>   #define SWAPPER_TABLE_SHIFT	PMD_SHIFT
>   #endif
>   
> -/* The size of the initial kernel direct mapping */
> -#define SWAPPER_INIT_MAP_SIZE	(_AC(1, UL) << SWAPPER_TABLE_SHIFT)
> -
>   /*
>    * Initial memory map attributes.
>    */
>