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Date:   Tue, 22 Aug 2023 02:15:43 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     Mateusz Guzik <mjguzik@gmail.com>
Cc:     Liam.Howlett@oracle.com, akpm@linux-foundation.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
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Subject: Re: [PATCH] maple_tree: shrink struct maple_tree from 24 to 16 bytes
 on LP64
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On Tue, Aug 22, 2023 at 12:51:45AM +0200, Mateusz Guzik wrote:
> by plugging a padding hole.
> 
> [sounds like an obvious thing to do, am I missing something?]

That was how I originally had it.  Not sure when/why it got messed up.