linux-kernel - [v3 0/2] recalculate min_free

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Message-Id: <1600305709-2319-1-git-send-email-vijayb@linux.microsoft.com>
Date:   Wed, 16 Sep 2020 18:21:47 -0700
From:   Vijay Balakrishna <vijayb@...ux.microsoft.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Song Liu <songliubraving@...com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Vijay Balakrishna <vijayb@...ux.microsoft.com>,
        Michal Hocko <mhocko@...e.com>,
        Allen Pais <apais@...rosoft.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [v3 0/2] recalculate min_free_kbytes post memory hotplug

v2 -> v3
--------
[v2 1/2]
- removed symptoms references from changelog

[v2 2/2]
- addressed following issues Michal Hocko raised:
  . nr_free_buffer_pages can oveflow in int on very large machines
  . min_free_kbytes can decrease the size theoretically

v1 -> v2
--------
- addressed issue Kirill A. Shutemov raised:
  . changes would override min_free_kbytes set by user

Vijay Balakrishna (2):
  mm: khugepaged: recalculate min_free_kbytes after memory hotplug as
    expected by khugepaged
  mm: khugepaged: avoid overriding min_free_kbytes set by user

 include/linux/khugepaged.h |  5 +++++
 mm/khugepaged.c            | 16 +++++++++++++---
 mm/memory_hotplug.c        |  3 +++
 mm/page_alloc.c            |  2 +-
 4 files changed, 22 insertions(+), 4 deletions(-)

-- 
2.28.0