linux-kernel - Re: [PATCH v5 1/6] mm: memory: extend finish

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Date: Tue, 11 Jun 2024 10:38:06 -0400
From: Zi Yan <ziy@...dia.com>
To: Baolin Wang <baolin.wang@...ux.alibaba.com>
Cc: akpm@...ux-foundation.org, hughd@...gle.com, willy@...radead.org,
 david@...hat.com, wangkefeng.wang@...wei.com, ying.huang@...el.com,
 21cnbao@...il.com, ryan.roberts@....com, shy828301@...il.com,
 ioworker0@...il.com, da.gomez@...sung.com, p.raghav@...sung.com,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/6] mm: memory: extend finish_fault() to support large
 folio

On 11 Jun 2024, at 6:11, Baolin Wang wrote:

> Add large folio mapping establishment support for finish_fault() as a
> preparation, to support multi-size THP allocation of anonymous shmem pages
> in the following patches.
>
> Keep the same behavior (per-page fault) for non-anon shmem to avoid inflating
> the RSS unintentionally, and we can discuss what size of mapping to build
> when extending mTHP to control non-anon shmem in the future.
>
> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
> ---
>  mm/memory.c | 57 +++++++++++++++++++++++++++++++++++++++++++----------
>  1 file changed, 47 insertions(+), 10 deletions(-)
>
LGTM. Reviewed-by: Zi Yan <ziy@...dia.com>

--
Best Regards,
Yan, Zi

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