linux-kernel - Re: [RFC PATCH 0/2] Node migration between memory tiers

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Message-ID: <ZXCRp78pD0ZMTMBw@tiehlicka>
Date:   Wed, 6 Dec 2023 16:22:15 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     Ravi Jonnalagadda <ravis.opensrc@...ron.com>
Cc:     Jonathan.Cameron@...wei.com, aneesh.kumar@...ux.ibm.com,
        dan.j.williams@...el.com, emirakhur@...ron.com, fvdl@...gle.com,
        gregory.price@...verge.com, hannes@...xchg.org, haowang3@...com,
        hasanalmaruf@...com, hezhongkun.hzk@...edance.com,
        john@...alactic.com, linux-api@...r.kernel.org,
        linux-cxl@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, sthanneeru.opensrc@...ron.com, tj@...nel.org,
        vtavarespetr@...ron.com, ying.huang@...el.com
Subject: Re: [RFC PATCH 0/2] Node migration between memory tiers

On Tue 05-12-23 14:49:58, Ravi Jonnalagadda wrote:
[...]
> There was a prior discussion on this functionality in a previous thread, where
> Huang Ying thought this might be a useful feature to overcome limitations of
> systems where nodes with different bandwidth characteristics are grouped in 
> a single tier.

Please summarize all those prior discussions into the cover letter.
Usecases are really crucial for the justification.
>
-- 
Michal Hocko
SUSE Labs