linux-kernel - Re: [PATCH v7 0/5] Free the 2nd vmemmap page associated with each HugeTLB page

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAMZfGtUeL45=WG3ceaZ_tALMGZTLtuD9jbfKEzeQv270OnaLYQ@mail.gmail.com>
Date:   Mon, 8 Nov 2021 16:16:50 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     Mike Kravetz <mike.kravetz@...cle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oscar Salvador <osalvador@...e.de>,
        Michal Hocko <mhocko@...e.com>,
        David Hildenbrand <david@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Matthew Wilcox <willy@...radead.org>
Cc:     Xiongchun duan <duanxiongchun@...edance.com>,
        fam.zheng@...edance.com, Muchun Song <smuchun@...il.com>,
        Qi Zheng <zhengqi.arch@...edance.com>,
        linux-doc@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        "Song Bao Hua (Barry Song)" <song.bao.hua@...ilicon.com>,
        Barry Song <21cnbao@...il.com>,
        Chen Huang <chenhuang5@...wei.com>,
        "Bodeddula, Balasubramaniam" <bodeddub@...zon.com>
Subject: Re: [PATCH v7 0/5] Free the 2nd vmemmap page associated with each
 HugeTLB page

On Mon, Nov 1, 2021 at 11:22 AM Muchun Song <songmuchun@...edance.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.