linux-kernel - Re: [PATCH v2 0/3] Some fixes and cleanup for maple tree.

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Date:   Tue, 4 Apr 2023 20:49:20 -0400
From:   "Liam R. Howlett" <Liam.Howlett@...cle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Peng Zhang <zhangpeng.00@...edance.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, maple-tree@...ts.infradead.org
Subject: Re: [PATCH v2 0/3] Some fixes and cleanup for maple tree.

* Andrew Morton <akpm@...ux-foundation.org> [230404 16:27]:
> On Tue, 14 Mar 2023 20:42:00 +0800 Peng Zhang <zhangpeng.00@...edance.com> wrote:
> 
> > Some fixes and clean up for maple tree.
> > 
> > The bug fixed by [PATCH v2 1/3] does not seem to be triggered due to some
> > coincidences, because now the implementation of mtree_lookup_walk() scans
> > pivots one by one and exits the loop early. The test cases for the bugs fixed by
> > [PATCH v2 3/3] are difficult to write. If I think of how to write them later,
> > I will send them out. So I send out the second edition first.
> 
> Do we feel that any of these should be backported into -stable kernels?
> [3/3] looks to be a candidate for this?

1 and 3 are fixes and should be sent to stable.

2 doesn't fix anything so I'm not sure how we could get it to be taken.