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Wed, 10 Sep 2025 16:14:50 -0700 (PDT) Date: Wed, 10 Sep 2025 16:14:50 -0700 (PDT) From: "Christoph Lameter (Ampere)" To: Matthew Wilcox cc: Vlastimil Babka , Andrew Morton , David Rientjes , Roman Gushchin , Harry Yoo , linux-mm@kvack.org Subject: Re: [PATCH v2 06/22] slab: Reimplement page_slab() In-Reply-To: Message-ID: References: <20250910115507.1991829-1-willy@infradead.org> <20250910115507.1991829-7-willy@infradead.org> <8eefb8ca-e310-48d4-0c3a-fa80665cab87@gentwo.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 3653120004 X-Stat-Signature: o51j9m3dnnrn8hzwamd9c57mcsskrcf8 X-Rspam-User: X-HE-Tag: 1757546091-14175 X-HE-Meta: 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 apjHFm45 QJLrLC03N1nm0HjEcY5tGjdKBsFKlM+mUyPy8mr2oXziNuaaQAYVUZ4oQOANODYbwKliYDSG3HmkN5sOdyFwPY6y4YUZqTzQuky/IVObU3XPgKd9F4z6bwAgdDvrsecHOUjrsyvpq91uVHHlsp2vPdNHFolMYfONjq1ND+WDBvbODh6gowaEqnsNq2j8V+i+35nESJDZmy7iktES3DojFjxX1BncALBjexeE99Em4/FDRRVN8SNxQvXkFiq1vt9rR2FjBhJqIKToJ47BjF37BsM3xqMpTTPyU3VlE 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: List-Subscribe: List-Unsubscribe: On Thu, 11 Sep 2025, Matthew Wilcox wrote: > ... so that we can shrink struct page. We've only been talking about > this for the last five years. Yea I never found that too good of an idea. Maybe others think the same way since it has been that long.