From: Johannes Weiner <hannes@cmpxchg.org>
To: Ye Liu <ye.liu@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>, Ye Liu <liuye@kylinos.cn>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Brendan Jackman <jackmanb@google.com>, Zi Yan <ziy@nvidia.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/page_alloc: Remove redundant pcp->free_count initialization in per_cpu_pages_init()
Date: Thu, 14 Aug 2025 09:59:35 -0400 [thread overview]
Message-ID: <20250814135935.GE115258@cmpxchg.org> (raw)
In-Reply-To: <20250814071828.12036-1-ye.liu@linux.dev>
On Thu, Aug 14, 2025 at 03:18:28PM +0800, Ye Liu wrote:
> From: Ye Liu <liuye@kylinos.cn>
>
> In per_cpu_pages_init(), pcp->free_count is explicitly initialized to 0,
> but this is redundant because the entire struct is already zeroed by
> memset(pcp, 0, sizeof(*pcp)).
>
> Signed-off-by: Ye Liu <liuye@kylinos.cn>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
next prev parent reply other threads:[~2025-08-14 13:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-14 7:18 [PATCH] mm/page_alloc: Remove redundant pcp->free_count initialization in per_cpu_pages_init() Ye Liu
2025-08-14 8:40 ` Brendan Jackman
2025-08-14 13:59 ` Johannes Weiner [this message]
2025-08-14 14:01 ` Zi Yan
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