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Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qYFzk-00DTug-1K; Tue, 22 Aug 2023 01:15:44 +0000 Date: Tue, 22 Aug 2023 02:15:43 +0100 From: Matthew Wilcox To: Mateusz Guzik Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, maple-tree@lists.infradead.org Subject: Re: [PATCH] maple_tree: shrink struct maple_tree from 24 to 16 bytes on LP64 Message-ID: References: <20230821225145.2169848-1-mjguzik@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230821225145.2169848-1-mjguzik@gmail.com> X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: DDE1B40003 X-Stat-Signature: 316ri1cjjhaeege4xp5ix4cy8bu55ypz X-HE-Tag: 1692666951-178881 X-HE-Meta: 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 HVuJueKR imZOmdFckLcjqy9f/U9QcGJKdKW+JsQ8QYQREDzbIK2Kfsxd3b+zcGnWULnqwIQ+MlD7j767iA7Tv+EDvaMYZgQfWOf43N7tdwTmcZDHCGiS8LhmZKp600nG/Ss+BcH7djKhnKRRlRyB+gEDY1oW/kcv7BRhYUBdgDX9sjzGUt09lmqKoFQtpqRQO5A== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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.