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Received: from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sUQVT-000000020Fz-1KzY; Thu, 18 Jul 2024 12:45:11 +0000 Date: Thu, 18 Jul 2024 13:45:11 +0100 From: Matthew Wilcox To: Mary Strodl Cc: Christoph Hellwig , Mary Strodl , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, urezki@gmail.com, linux-mm@kvack.org, lee@kernel.org, andi.shyti@kernel.org, linux-i2c@vger.kernel.org, s.hauer@pengutronix.de, christian.gmeiner@gmail.com Subject: Re: [PATCH 1/3] mm: vmalloc: export __vmalloc_node_range Message-ID: References: <20240718011504.4106163-1-mstrodl@csh.rit.edu> <20240718011504.4106163-2-mstrodl@csh.rit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 9B7B51C000A X-Stat-Signature: yh6omonig9sgxqozpodna84mgftcacrt X-Rspam-User: X-HE-Tag: 1721306716-48800 X-HE-Meta: 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 ASrYy6o/ cV/eQKQ6GpaytCD0WCUiGSQhsPaKPcE/wvuT6F1W0nHb5XGJmGXZ9x20yBht/r/yKuwSgMwOI0XlEhQby9fVwrNxcWErd5KsydRZJL7duVJeKMa42un8QkfCQL9JiVx8h2xBbYTme4tHQZxW6M43e6GNmHmL7V1doWHsJnKk+kcn6dA4PpkFTmrLiSZXcqdNVxvKrw0QdZI17/SPgRnXSYrQaRSebMNB+FbJir33mLRw46jSGpdmG0OdKxFoqqaAwD86/UBdwH5UqA/sDDjPLrJP2H8HFFOpuPzDBDpvXrzgvhKgSmtnbfIWAMDhNkgpaKT0MI0z5lfBoTno= 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, Jul 18, 2024 at 08:40:27AM -0400, Mary Strodl wrote: > On Wed, Jul 17, 2024 at 08:04:01PM -0700, Christoph Hellwig wrote: > > NAK to a driver creating random writable and exectutable memory: > > Is there a better way to do what I'm trying to do? Or some way to > expose this functionality with more guard rails so that it's a > little bit safer? No, there is no way to do what you're trying to do.