linux-kernel - Re: [PATCH] mm: memory-failure: cleanup try_to_split_thp

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Message-ID: <dd492213-3e6e-a1dd-75cf-eb8500bcbf20@huawei.com>
Date:   Thu, 4 Aug 2022 09:03:59 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     HORIGUCHI NAOYA(堀口 直也) 
        <naoya.horiguchi@....com>
CC:     Miaohe Lin <linmiaohe@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: memory-failure: cleanup try_to_split_thp_page()


On 2022/8/4 8:45, HORIGUCHI NAOYA(堀口 直也) wrote:
> On Tue, Aug 02, 2022 at 10:12:56AM +0800, Kefeng Wang wrote:
>> Since commit 5d1fd5dc877b ("mm,hwpoison: introduce MF_MSG_UNSPLIT_THP"),
>> the action_result() called to show memory error event in memory_failure(),
>> so the pr_info() in try_to_split_thp_page() is only needed in
>> soft_offline_in_use_page().
>>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> Thanks, looks good to me.  Probably this patch may come before
> "mm: memory-failure: convert to pr_fmt()" to be a cleanup.
>
> And recently another patch [1] is trying to change the same function, so we
> might need to resolve the conflict with it.  I expect it's not so hard, but
> I think your series had better come after [1] because [1] is a bug fix and
> might be backported to stable-5.19.
OK， I could repost after[1] merged into mm tree,  thanks.
>
> [1] https://lore.kernel.org/linux-mm/20220803025243.155798-1-fengwei.yin@intel.com/T/#u
>
> Thanks,
> Naoya Horiguchi