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References: <20211101031651.75851-1-songmuchun@bytedance.com>
In-Reply-To: <20211101031651.75851-1-songmuchun@bytedance.com>
From:   Muchun Song <songmuchun@bytedance.com>
Date:   Mon, 8 Nov 2021 16:16:50 +0800
Message-ID: <CAMZfGtUeL45=WG3ceaZ_tALMGZTLtuD9jbfKEzeQv270OnaLYQ@mail.gmail.com>
Subject: Re: [PATCH v7 0/5] Free the 2nd vmemmap page associated with each
 HugeTLB page
To:     Mike Kravetz <mike.kravetz@oracle.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Oscar Salvador <osalvador@suse.de>,
        Michal Hocko <mhocko@suse.com>,
        David Hildenbrand <david@redhat.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Matthew Wilcox <willy@infradead.org>
Cc:     Xiongchun duan <duanxiongchun@bytedance.com>,
        fam.zheng@bytedance.com, Muchun Song <smuchun@gmail.com>,
        Qi Zheng <zhengqi.arch@bytedance.com>,
        linux-doc@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        "Song Bao Hua (Barry Song)" <song.bao.hua@hisilicon.com>,
        Barry Song <21cnbao@gmail.com>,
        Chen Huang <chenhuang5@huawei.com>,
        "Bodeddula, Balasubramaniam" <bodeddub@amazon.com>
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On Mon, Nov 1, 2021 at 11:22 AM Muchun Song <songmuchun@bytedance.com> wrote:
>
> This series can minimize the overhead of struct page for 2MB HugeTLB pages
> significantly. It further reduces the overhead of struct page by 12.5% for
> a 2MB HugeTLB compared to the previous approach, which means 2GB per 1TB
> HugeTLB. It is a nice gain. Comments and reviews are welcome. Thanks.
>

Hi,

Ping guys. Does anyone have any comments or suggestions
on this series?

Thanks.