From: Lorenzo Stoakes <lstoakes@gmail.com>
To: Lu Hongfei <luhongfei@vivo.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Uladzislau Rezki <urezki@gmail.com>,
Christoph Hellwig <hch@infradead.org>,
"open list:VMALLOC" <linux-mm@kvack.org>,
open list <linux-kernel@vger.kernel.org>,
opensource.kernel@vivo.com
Subject: Re: [PATCH] mm/vmalloc: Replace the ternary conditional operator with min()
Date: Fri, 9 Jun 2023 08:09:45 +0100 [thread overview]
Message-ID: <832d7c69-ffd5-4764-8ffe-3a02bef0efb0@lucifer.local> (raw)
In-Reply-To: <20230609061309.42453-1-luhongfei@vivo.com>
On Fri, Jun 09, 2023 at 02:13:09PM +0800, Lu Hongfei wrote:
> It would be better to replace the traditional ternary conditional
> operator with min() in zero_iter
>
> Signed-off-by: Lu Hongfei <luhongfei@vivo.com>
> ---
> mm/vmalloc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 29077d61ff81..42df032e6c27
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -3571,7 +3571,7 @@ static size_t zero_iter(struct iov_iter *iter, size_t count)
> while (remains > 0) {
> size_t num, copied;
>
> - num = remains < PAGE_SIZE ? remains : PAGE_SIZE;
> + num = min(remains, PAGE_SIZE);
> copied = copy_page_to_iter_nofault(ZERO_PAGE(0), 0, num, iter);
> remains -= copied;
>
> --
> 2.39.0
>
Looks good to me, thanks,
Reviewed-by: Lorenzo Stoakes <lstoakes@gmail.com>
next prev parent reply other threads:[~2023-06-09 7:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-09 6:13 Lu Hongfei
2023-06-09 7:09 ` Lorenzo Stoakes [this message]
2023-06-09 8:48 ` Lorenzo Stoakes
2023-06-10 20:09 ` David Laight
2023-06-10 21:06 ` Lorenzo Stoakes
2023-06-10 22:08 ` Andrew Morton
2023-06-10 22:23 ` Lorenzo Stoakes
2023-06-10 22:29 ` David Laight
2023-06-10 22:18 ` David Laight
2023-06-10 22:35 ` Lorenzo Stoakes
2023-06-09 8:28 ` kernel test robot
2023-06-09 9:12 ` kernel test robot
2023-06-09 9:35 ` kernel test robot
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