Re: [PATCH v3] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved

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To: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Subject: Re: [PATCH v3] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
From: Michal Hocko <mhocko@xxxxxxxxxx>
Date: Fri, 15 Jun 2018 16:10:08 +0200
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxxxxxxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Steven Sistare <steven.sistare@xxxxxxxxxx>, Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "dan.j.williams@xxxxxxxxx" <dan.j.williams@xxxxxxxxx>, Huang Ying <ying.huang@xxxxxxxxx>
In-reply-to: <20180615140000.44tht4f3ek3lh2u2@xakep.localdomain>
References: <20180613054107.GA5329@hori1.linux.bs1.fc.nec.co.jp> <20180613090700.GG13364@dhcp22.suse.cz> <20180614051618.GB17860@hori1.linux.bs1.fc.nec.co.jp> <20180614053859.GA9863@techadventures.net> <20180614063454.GA32419@hori1.linux.bs1.fc.nec.co.jp> <20180614213033.GA19374@techadventures.net> <20180615010927.GC1196@hori1.linux.bs1.fc.nec.co.jp> <20180615072947.GB23273@hori1.linux.bs1.fc.nec.co.jp> <20180615084142.GE24039@dhcp22.suse.cz> <20180615140000.44tht4f3ek3lh2u2@xakep.localdomain>
User-agent: Mutt/1.9.5 (2018-04-13)

On Fri 15-06-18 10:00:00, Pavel Tatashin wrote:
[...]
> But, I think the 2nd patch with the optimization above should go along this
> this fix.

Yes, ideally with some numbers.
-- 
Michal Hocko
SUSE Labs

References:
- [PATCH v1] mm: zero remaining unavailable struct pages (Re: kernel panic in reading /proc/kpageflags when enabling RAM-simulated PMEM)
  - From: Naoya Horiguchi
- Re: [PATCH v1] mm: zero remaining unavailable struct pages (Re: kernel panic in reading /proc/kpageflags when enabling RAM-simulated PMEM)
  - From: Michal Hocko
- Re: [PATCH v1] mm: zero remaining unavailable struct pages (Re: kernel panic in reading /proc/kpageflags when enabling RAM-simulated PMEM)
  - From: Naoya Horiguchi
- Re: [PATCH v1] mm: zero remaining unavailable struct pages (Re: kernel panic in reading /proc/kpageflags when enabling RAM-simulated PMEM)
  - From: Oscar Salvador
- [PATCH v2] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
  - From: Naoya Horiguchi
- Re: [PATCH v2] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
  - From: Oscar Salvador
- Re: [PATCH v2] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
  - From: Naoya Horiguchi
- [PATCH v3] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
  - From: Naoya Horiguchi
- Re: [PATCH v3] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
  - From: Michal Hocko
- Re: [PATCH v3] x86/e820: put !E820_TYPE_RAM regions into memblock.reserved
  - From: Pavel Tatashin

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