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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Subject: Re: [PATCH 00/14] mm: memory hot(un)plug and SPARSEMEM cleanups Message-Id: <20260318125148.b137df94f3c3398cf453e6c1@linux-foundation.org> In-Reply-To: <20260317165652.99114-1-david@kernel.org> References: <20260317165652.99114-1-david@kernel.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: b1yzhwto5rjftjfnootmppzxyu37u79y X-Rspamd-Server: rspam09 X-Rspam-User: X-Rspamd-Queue-Id: DBB5618000B X-HE-Tag: 1773863510-139118 X-HE-Meta: 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 Vunru8Bu hZa8/+L6tfSD9PTpARFcU1dkh6DEu/6CXCi1NK0DVx/G33cQW2KlLFkmflB1cJ/aN0m2UxsoT493s8Y47YTPPDA9son2e+AvDXoI2GIPL7kGC61fDUHnI7kbF+z+gAdVv+mVuCuYVAEgcZQVwnZYXNorwPhYc5jbxmApVWwZDm9GKx0GRL9ZgeARRq6jADiG4E8W3P00eDp780pWIOdRlvhMO93btvYdE13+M4AlGglMUUUmmA+jz615zCu/7+LkpFTaCYX/84X4jIprPtPD6z7Ji22j5LTZYO8W9UPVpIvfrUHT90ewqoQQFzjFuPjaHkNQuZZFgpp7LZ9g= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 17 Mar 2026 17:56:38 +0100 "David Hildenbrand (Arm)" wrote: > Some cleanups around memory hot(un)plug and SPARSEMEM. In essence, > we can limit CONFIG_MEMORY_HOTPLUG to CONFIG_SPARSEMEM_VMEMMAP, > remove some dead code, and move all the hotplug bits over to > mm/sparse-vmemmap.c. > > Some further/related cleanups around other unnecessary code > (memory hole handling and complicated usemap allocation). > > I have some further sparse.c cleanups lying around, and I'm planning > on getting rid of bootmem_info.c entirely. Added to mm-new, thanks. Sashiko said a few things, as I expect you've seen: https://sashiko.dev/#/patchset/20260317165652.99114-1-david%40kernel.org