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b=XeASP5J0XDs1YevH+fi0aOVQ1MIU/R7ReCO3KBfrw0EjKQoWcSCuUTe+TFZd2QYJY GKn83c51+jpr5JLmvuXOmhxB2hOaB2EBU8lwH3RGLhERAO95WuVtvYA9WQiOd1312v B35AdenzRdSgQJxcy0NmgOeepVriM/v1PA8+h02Q= Date: Tue, 2 Jun 2026 10:06:24 -0700 From: Andrew Morton To: Will Deacon Cc: Catalin Marinas , Alistair Popple , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, david@kernel.org, kevin.brodsky@arm.com Subject: Re: [PATCH] arm64: mm: call pagetable dtor when freeing hot-removed page tables Message-Id: <20260602100624.b458286887fe9a7c44d3bf22@linux-foundation.org> In-Reply-To: References: <20260521032730.2104017-1-apopple@nvidia.com> <20260521153130.d7d5cd060f7522f894252333@linux-foundation.org> <20260601212225.11f277a85d5ed15083b08cc2@linux-foundation.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-Rspamd-Queue-Id: B7EC61C000E X-Rspam-User: X-Stat-Signature: ztsmyor8hd7s16xb5xytdmpca4fy74wk X-Rspamd-Server: rspam09 X-HE-Tag: 1780419985-857949 X-HE-Meta: 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 UbC8Re5r g85SEVb4iaP7fol52hfpLAt5EZNViOgYDGfPaMswhROciP5m5BAEDuK8AFAvkhwV1fy/SuuUiM8nrX4GUpTXVUr8sOZF/vdBCbbCNeIQMF9c+U+JW3/WSfSex7NbbBAmMt/33qvR+WpBI1uO2gsSgvqC2oaGzmwJWkBXBiZcbcFrT/Rjitt49MGM+7lriQ7kVZ1GwSuBL+CnvhG0XJFEX9YA9g28cGB5k86Q3IQ/wmgrBWdsiwHQQxwv6BuRz0C0GmoevAhM04/PSGFVshlqhRObCPZBXHfGpk+y1erHmeYsskJw= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 2 Jun 2026 14:12:17 +0100 Will Deacon wrote: > > This patch is still floating around in mm.git awaiting some > > finalization. What to do? > > >From what I can tell (assuming I've been following along correctly!): > > 1. This patch improves the situation, so makes sense in its own right > 2. There is additional work to be more consistent with the constructors > for page-table pages, which Kevin is going to look at but is probably > a little more long-term. > 3. I'm happy to take this via arm64 but also have no issues with you taking > it via mm (so please shout if you want me to pick it up). OK, thanks, no probs, just checking. I'll include this in the next hotfixes batch for Linus.