linux-kernel - Re: [RFC PATCH v2 10/16] mm,hwpoison: Rework soft offline for free pages

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Message-ID: <20191022082611.GD9379@dhcp22.suse.cz>
Date:   Tue, 22 Oct 2019 10:26:11 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Oscar Salvador <osalvador@...e.de>
Cc:     n-horiguchi@...jp.nec.com, mike.kravetz@...cle.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 10/16] mm,hwpoison: Rework soft offline for free
 pages

On Tue 22-10-19 09:46:20, Oscar Salvador wrote:
[...]
> So, opposite to hard-offline, in soft-offline we do not fiddle with pages
> unless we are sure the page is not reachable anymore by any means.

I have to say I do not follow. Is there any _real_ reason for
soft-offline to behave differenttly from MCE (hard-offline)?
-- 
Michal Hocko
SUSE Labs