linux-kernel - Re: [PATCH] mm/debug: sync up latest migrate_reason to migrate_reason

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Message-Id: <20210919163511.9f82c3634cf48d3769ccab42@linux-foundation.org>
Date:   Sun, 19 Sep 2021 16:35:11 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Weizhao Ouyang <o451686892@...il.com>
Cc:     John Hubbard <jhubbard@...dia.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Oscar Salvador <osalvador@...e.de>,
        "Huang, Ying" <ying.huang@...el.com>,
        Yang Shi <shy828301@...il.com>, Zi Yan <ziy@...dia.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/debug: sync up latest migrate_reason to
 migrate_reason_names

On Fri, 17 Sep 2021 14:14:32 +0800 Weizhao Ouyang <o451686892@...il.com> wrote:

> After related migrate page updates, sync up latest migrate_reason to
> migrate_reason_names, page_owner use it to parse the page migrate
> reason.

A slight problem.

> Fixes: d1e153fea2a8 ("mm/gup: migrate pinned pages out of movable zone")
> Fixes: 26aa2d199d6f ("mm/migrate: demote pages during reclaim")

d1e153fea2a8 is from May 2021, so a -stable backport would be appropriate.

But 26aa2d199d6f is only in 5.15-rc1, so no cc:stable.

So can you please prepare this as a two-patch series with the first
patch (which fixes d1e153fea2a8) marked cc:stable?

Thanks.