From: Zi Yan <ziy@nvidia.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>,
Mel Gorman <mgorman@techsingularity.net>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/8] mm: page_alloc: use get_pfnblock_migratetype where pfn available
Date: Mon, 21 Aug 2023 16:29:36 -0400 [thread overview]
Message-ID: <4DE7DCEA-796E-463A-8EF1-FB441BAEDD96@nvidia.com> (raw)
In-Reply-To: <20230821183733.106619-2-hannes@cmpxchg.org>
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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@cmpxchg.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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next prev parent reply other threads:[~2023-08-21 20:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-21 18:33 [PATCH 0/8] mm: page_alloc: freelist migratetype hygiene Johannes Weiner
2023-08-21 18:33 ` [PATCH 1/8] mm: page_alloc: use get_pfnblock_migratetype where pfn available Johannes Weiner
2023-08-21 20:14 ` Zi Yan
2023-08-21 20:29 ` Zi Yan [this message]
2023-08-21 21:22 ` Johannes Weiner
2023-08-21 18:33 ` [PATCH 2/8] mm: page_alloc: remove pcppage migratetype caching Johannes Weiner
2023-08-21 18:33 ` [PATCH 3/8] mm: page_alloc: fix highatomic landing on the wrong buddy list Johannes Weiner
2023-08-21 18:33 ` [PATCH 4/8] mm: page_alloc: fix up block types when merging compatible blocks Johannes Weiner
2023-08-21 20:41 ` Zi Yan
2023-08-21 21:20 ` Johannes Weiner
2023-08-21 18:33 ` [PATCH 5/8] mm: page_alloc: move free pages when converting block during isolation Johannes Weiner
2023-08-21 18:33 ` [PATCH 6/8] mm: page_alloc: fix move_freepages_block() range error Johannes Weiner
2023-08-21 18:33 ` [PATCH 7/8] mm: page_alloc: fix freelist movement during block conversion Johannes Weiner
2023-08-21 18:33 ` [PATCH 8/8] mm: page_alloc: consolidate free page accounting Johannes Weiner
2023-08-23 22:40 ` kernel test robot
2023-08-24 1:34 ` Johannes Weiner
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