[PATCH] arm64/mm: Drop SWAPPER_INIT_MAP_SIZE

[PATCH] arm64/mm: Drop SWAPPER_INIT_MAP_SIZE

[Anshuman Khandual]

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@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
This applies on v5.13-rc6.

 arch/arm64/include/asm/kernel-pgtable.h | 3 ---
 1 file changed, 3 deletions(-)

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.
  */
-- 
2.20.1

Re: [PATCH] arm64/mm: Drop SWAPPER_INIT_MAP_SIZE

[Gavin Shan]

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@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.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@redhat.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.
>    */
> 

Re: [PATCH] arm64/mm: Drop SWAPPER_INIT_MAP_SIZE

[Mark Rutland]

On Mon, Jun 14, 2021 at 03:40:11PM +0530, 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@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
> ---
> This applies on v5.13-rc6.

Dong Aisheng had a patch to do this, along with a few other cleanup
patches:

https://lore.kernel.org/r/20210518101405.1048860-1-aisheng.dong@nxp.com

Thanks,
Mark.

> 
>  arch/arm64/include/asm/kernel-pgtable.h | 3 ---
>  1 file changed, 3 deletions(-)
> 
> 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.
>   */
> -- 
> 2.20.1
> 

Re: [PATCH] arm64/mm: Drop SWAPPER_INIT_MAP_SIZE

[Will Deacon]

On Mon, 14 Jun 2021 15:40:11 +0530, 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.

Applied to arm64 (for-next/mm), thanks!

[1/1] arm64/mm: Drop SWAPPER_INIT_MAP_SIZE
      https://git.kernel.org/arm64/c/0f473ac746a9

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev