linux-kernel - Re: [RFC v1 00/19] Modify zonelist to nodelist v1

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Message-Id: <828BAB69-4B46-418F-A5E2-35B0756340D0@lca.pw>
Date:   Tue, 26 Nov 2019 10:30:56 -0500
From:   Qian Cai <cai@....pw>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Pengfei Li <fly@...nel.page>,
        "lixinhai.lxh@...il.com" <lixinhai.lxh@...il.com>,
        akpm <akpm@...ux-foundation.org>,
        mgorman <mgorman@...hsingularity.net>,
        Vlastimil Babka <vbabka@...e.cz>, cl <cl@...ux.com>,
        "iamjoonsoo.kim" <iamjoonsoo.kim@....com>, guro <guro@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [RFC v1 00/19] Modify zonelist to nodelist v1



> On Nov 25, 2019, at 3:39 AM, Michal Hocko <mhocko@...nel.org> wrote:
> 
> People do care about ZONE_MOVABLE and if there is a non-movable memory
> sitting there then it is a bug. Please report that.

It is trivial to test yourself if you ever care. Just pass kernelcore= to as many NUMA machines you could find, an then test if ever possible to offline those memory.