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Re: [PATCH 2/9] mm, page_alloc: remove boot pageset initialization from memory hotplug

From Mel Gorman <mgorman@suse.de>
Newsgroups linux.kernel
Subject Re: [PATCH 2/9] mm, page_alloc: remove boot pageset initialization from memory hotplug
Date 2017-07-14 11:50 +0200
Message-ID <u35ov-1yc-29@gated-at.bofh.it> (permalink)
References <u33PH-El-3@gated-at.bofh.it> <u33PI-El-25@gated-at.bofh.it>
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On Fri, Jul 14, 2017 at 09:59:59AM +0200, Michal Hocko wrote:
> From: Michal Hocko <mhocko@suse.com>
> 
> boot_pageset is a boot time hack which gets superseded by normal
> pagesets later in the boot process. It makes zero sense to reinitialize
> it again and again during memory hotplug.
> 
> Signed-off-by: Michal Hocko <mhocko@suse.com>

You could also go slightly further and remove the batch parameter to
setupo_pageset because it's always 0. Otherwise

Acked-by: Mel Gorman <mgorman@suse.de>

-- 
Mel Gorman
SUSE Labs

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Thread

[PATCH 0/9] cleanup zonelists initialization Michal Hocko <mhocko@kernel.org> - 2017-07-14 10:10 +0200
  [PATCH 7/9] mm, page_alloc: remove stop_machine from build_all_zonelists Michal Hocko <mhocko@kernel.org> - 2017-07-14 10:10 +0200
    Re: [PATCH 7/9] mm, page_alloc: remove stop_machine from  build_all_zonelists Mel Gorman <mgorman@suse.de> - 2017-07-14 12:00 +0200
      Re: [PATCH 7/9] mm, page_alloc: remove stop_machine from  build_all_zonelists Michal Hocko <mhocko@kernel.org> - 2017-07-14 13:10 +0200
        Re: [PATCH 7/9] mm, page_alloc: remove stop_machine from  build_all_zonelists Mel Gorman <mgorman@suse.de> - 2017-07-14 14:50 +0200
    Re: [PATCH 7/9] mm, page_alloc: remove stop_machine from  build_all_zonelists Vlastimil Babka <vbabka@suse.cz> - 2017-07-14 13:30 +0200
      Re: [PATCH 7/9] mm, page_alloc: remove stop_machine from  build_all_zonelists Michal Hocko <mhocko@kernel.org> - 2017-07-14 13:50 +0200
        Re: [PATCH 7/9] mm, page_alloc: remove stop_machine from  build_all_zonelists Michal Hocko <mhocko@kernel.org> - 2017-07-14 13:50 +0200
  [PATCH 2/9] mm, page_alloc: remove boot pageset initialization from memory hotplug Michal Hocko <mhocko@kernel.org> - 2017-07-14 10:10 +0200
    Re: [PATCH 2/9] mm, page_alloc: remove boot pageset initialization  from memory hotplug Mel Gorman <mgorman@suse.de> - 2017-07-14 11:50 +0200
  [PATCH 5/9] mm, memory_hotplug: remove explicit build_all_zonelists from try_online_node Michal Hocko <mhocko@kernel.org> - 2017-07-14 10:10 +0200
    Re: [PATCH 5/9] mm, memory_hotplug: remove explicit  build_all_zonelists from try_online_node Michal Hocko <mhocko@kernel.org> - 2017-07-14 14:20 +0200
  [PATCH 4/9] mm, memory_hotplug: drop zone from build_all_zonelists Michal Hocko <mhocko@kernel.org> - 2017-07-14 10:10 +0200

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