linux-kernel - [PATCH 0/3] add hugetlb_free

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Message-Id: <20220228071022.26143-1-songmuchun@bytedance.com>
Date:   Mon, 28 Feb 2022 15:10:19 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     corbet@....net, mike.kravetz@...cle.com, akpm@...ux-foundation.org,
        mcgrof@...nel.org, keescook@...omium.org, yzaikin@...gle.com
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, duanxiongchun@...edance.com,
        Muchun Song <songmuchun@...edance.com>
Subject: [PATCH 0/3] add hugetlb_free_vmemmap sysctl

This series amis to add hugetlb_free_vmemmap sysctl to enable the feature
of freeing vmemmap pages of HugeTLB pages.

Muchun Song (3):
  mm: hugetlb: disable freeing vmemmap pages when struct page crosses
    page boundaries
  sysctl: allow to set extra1 to SYSCTL_ONE
  mm: hugetlb: add hugetlb_free_vmemmap sysctl

 Documentation/admin-guide/sysctl/vm.rst | 13 +++++++++++++
 include/linux/hugetlb.h                 |  5 +++++
 include/linux/memory_hotplug.h          |  1 +
 kernel/sysctl.c                         | 13 ++++++++++++-
 mm/hugetlb_vmemmap.c                    | 24 +++++++++++++++++++++++-
 mm/hugetlb_vmemmap.h                    |  4 +++-
 mm/memory_hotplug.c                     |  2 +-
 7 files changed, 58 insertions(+), 4 deletions(-)

-- 
2.11.0