linux-kernel - Re: [PATCH v16 14/22] mm/thp: add tail pages into lru anyway in split_huge

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Message-ID: <dd33c5ae-7924-393d-ecd2-3c7fc1bfd1cc@linux.alibaba.com>
Date:   Mon, 20 Jul 2020 17:04:46 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     "Kirill A. Shutemov" <kirill@...temov.name>
Cc:     akpm@...ux-foundation.org, mgorman@...hsingularity.net,
        tj@...nel.org, hughd@...gle.com, khlebnikov@...dex-team.ru,
        daniel.m.jordan@...cle.com, yang.shi@...ux.alibaba.com,
        willy@...radead.org, hannes@...xchg.org, lkp@...el.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        cgroups@...r.kernel.org, shakeelb@...gle.com,
        iamjoonsoo.kim@....com, richard.weiyang@...il.com,
        Mika Penttilä <mika.penttila@...tfour.com>
Subject: Re: [PATCH v16 14/22] mm/thp: add tail pages into lru anyway in
 split_huge_page()



在 2020/7/20 下午4:49, Kirill A. Shutemov 写道:
>>
>> Split_huge_page() must start with PageLRU(head), and we are holding the
>> lru_lock here. If the head was cleared lru bit unexpected, tracking it.
>>
>> Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

Hi Kirill,

Millions thanks for review!

Alex