linux-kernel - Re: [PATCH] mm: remove unused macro INIT

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Message-ID: <64405466-5983-48ef-803d-0531c4152576@arm.com>
Date: Mon, 28 Apr 2025 15:41:57 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: Cheng-Han Wu <hank20010209@...il.com>, akpm@...ux-foundation.org
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: remove unused macro INIT_PASID

On 4/27/25 20:20, Cheng-Han Wu wrote:
> The macro INIT_PASID was originally used by mm_init_pasid. 
> However, since commit a6cbd44093ef ("kernel/fork: Initialize mm's PASID"), 
> mm_init_pasid has been removed. 
> Therefore, INIT_PASID is no longer needed and is removed.
> 
> Signed-off-by: Cheng-Han Wu <hank20010209@...il.com>
> ---
>  include/linux/mm_types.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
> index 56d07edd01f9..e76bade9ebb1 100644
> --- a/include/linux/mm_types.h
> +++ b/include/linux/mm_types.h
> @@ -28,7 +28,6 @@
>  #endif
>  #define AT_VECTOR_SIZE (2*(AT_VECTOR_SIZE_ARCH + AT_VECTOR_SIZE_BASE + 1))
>  
> -#define INIT_PASID	0
>  
>  struct address_space;
>  struct mem_cgroup;
Reviewed-by: Anshuman Khandual <anshuman.khandual@....com>