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From: Mike Rapoport <rppt@kernel.org>
To: huanglllzu@gmail.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, Liangliang Huang <huangll@lemote.com>
Subject: Re: [PATCH] mm/memblock.c: using judgment statement can reduce loop and enhance readability.
Date: Thu, 2 Nov 2023 10:54:18 +0200	[thread overview]
Message-ID: <20231102085418.GM2824@kernel.org> (raw)
In-Reply-To: <20231102023710.13023-1-huanglllzu@gmail.com>

Hi,

> Subject: [PATCH] mm/memblock.c: using judgment statement can reduce loop and enhance readability.

I disagree.

On Thu, Nov 02, 2023 at 10:37:10AM +0800, huanglllzu@gmail.com wrote:
> From: Liangliang Huang <huangll@lemote.com>
> 
> Signed-off-by: Liangliang Huang <huangll@lemote.com>
> ---
>  mm/memblock.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/mm/memblock.c b/mm/memblock.c
> index 913b2520a9a0..e48dea7144bb 100644
> --- a/mm/memblock.c
> +++ b/mm/memblock.c
> @@ -655,7 +655,11 @@ static int __init_memblock memblock_add_range(struct memblock_type *type,
>  			}
>  		}
>  		/* area below @rend is dealt with, forget about it */
> -		base = min(rend, end);
> +		if (end < rend) {
> +			base = end;
> +			break;
> +		} else
> +			base = rend;

min() is perfectly clear and there no change in number of iterations of the
loop.

>  	}
>  
>  	/* insert the remaining portion */
> -- 
> 2.25.1
> 

-- 
Sincerely yours,
Mike.


  reply	other threads:[~2023-11-02  8:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-02  2:37 huanglllzu
2023-11-02  8:54 ` Mike Rapoport [this message]
2023-11-03  3:19   ` 黄亮亮
2023-11-03  5:30   ` 黄亮亮
2023-11-03  7:34     ` Mike Rapoport
2023-11-03  8:21       ` 黄亮亮
2023-11-03  5:31   ` 黄亮亮

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