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charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: DA1D21A0002 X-Rspam-User: X-Stat-Signature: qwo6wd8caezraibfrc1y8bnesnojkzt3 X-HE-Tag: 1733925044-454 X-HE-Meta: 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 JtXeh6iD 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, 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 Wed, Dec 11, 2024 at 02:32:51PM +0100, Linus Walleij wrote: > On Tue, Dec 10, 2024 at 5:06 PM Arnd Bergmann wrote: > > > From: Arnd Bergmann > > > > CONFIG_HIGHPTE was added in linux-2.6.32, a few years before 64-bit > > support. At the time it made sense, as the CONFIG_ARM_LPAE option allowed > > systems with 16GB of memory that made lowmem a particularly scarce > > resource, and the HIGHPTE implementation gave feature parity with 32-bit > > x86 and frv machines. > > > > Since Arm is the last architecture remaining that uses this, and almost > > no 32-bit machines support more than 4GB of RAM, the cost of continuing > > to maintain HIGHPTE seems unjustified, so remove it here to allow > > simplifying the generic page table handling. > > > > Link: https://lore.kernel.org/lkml/20241204103042.1904639-8-arnd@kernel.org/T/#u > > Signed-off-by: Arnd Bergmann > > I'm in favor of this if the x86 patch goes in. We need to get rid > of highmem anyway and this will need to happen sooner or later > either way. Well... I use highmem routinely. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!