From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Xichao Zhao <zhao.xichao@vivo.com>,
ryabinin.a.a@gmail.com, akpm@linux-foundation.org
Cc: glider@google.com, andreyknvl@gmail.com, dvyukov@google.com,
vincenzo.frascino@arm.com, kasan-dev@googlegroups.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: remove unnecessary pointer variables
Date: Mon, 11 Aug 2025 10:00:39 +0530 [thread overview]
Message-ID: <b33b6dfe-8270-4cee-bd66-1940f86b6e09@arm.com> (raw)
In-Reply-To: <20250811034257.154862-1-zhao.xichao@vivo.com>
On 11/08/25 9:12 AM, Xichao Zhao wrote:
> Simplify the code to enhance readability and maintain a consistent
> coding style.
>
> Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
> ---
> mm/kasan/init.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/mm/kasan/init.c b/mm/kasan/init.c
> index ced6b29fcf76..e5810134813c 100644
> --- a/mm/kasan/init.c
> +++ b/mm/kasan/init.c
> @@ -266,11 +266,9 @@ int __ref kasan_populate_early_shadow(const void *shadow_start,
> }
>
> if (pgd_none(*pgd)) {
> - p4d_t *p;
>
> if (slab_is_available()) {
> - p = p4d_alloc(&init_mm, pgd, addr);
> - if (!p)
> + if (!p4d_alloc(&init_mm, pgd, addr))
> return -ENOMEM;
> } else {
> pgd_populate(&init_mm, pgd,
Agreed that p4d_t pointer here is just redundant.
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
next prev parent reply other threads:[~2025-08-11 4:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-11 3:42 Xichao Zhao
2025-08-11 4:30 ` Anshuman Khandual [this message]
2025-08-11 13:38 ` Andrey Konovalov
2025-08-11 19:18 ` Vishal Moola (Oracle)
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