linux-kernel - Re: [PATCH 1/8] mm: page_alloc: use get_pfnblock

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Message-ID: <4DE7DCEA-796E-463A-8EF1-FB441BAEDD96@nvidia.com>
Date:   Mon, 21 Aug 2023 16:29:36 -0400
From:   Zi Yan <ziy@...dia.com>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Mel Gorman <mgorman@...hsingularity.net>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] mm: page_alloc: use get_pfnblock_migratetype where
 pfn available

On 21 Aug 2023, at 14:33, Johannes Weiner wrote:

> Save a pfn_to_page() lookup when the pfn is right there already.
>
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>
> ---
>  mm/page_alloc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Just notice that it is already done in:
https://lkml.kernel.org/r/20230811115945.3423894-3-shikemeng@huaweicloud.com

--
Best Regards,
Yan, Zi

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