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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6UOv-000000064WR-2h34; Wed, 08 Oct 2025 13:40:17 +0000 Date: Wed, 8 Oct 2025 14:40:17 +0100 From: Matthew Wilcox To: Alice Ryhl Cc: Onur =?iso-8859-1?Q?=D6zkan?= , rust-for-linux@vger.kernel.org, ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, tmgross@umich.edu, dakr@kernel.org, linux-kernel@vger.kernel.org, acourbot@nvidia.com, airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, corbet@lwn.net, lyude@redhat.com, linux-doc@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v2 2/4] rust: xarray: abstract `xa_alloc` Message-ID: References: <20251008124619.3160-1-work@onurozkan.dev> <20251008124619.3160-3-work@onurozkan.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 5444040016 X-Stat-Signature: j95ry491synninjo7wsci7bzc8zpq4z7 X-Rspam-User: X-HE-Tag: 1759930834-98769 X-HE-Meta: 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 CPe9uKF4 s0eqfaLq9SLBToLoDtMCa8/9Z+13KC3pERCcsZ35XueIylzASLBN0yzuqHlp2mhcvOe9j43wxRdzLaF1wJ/6K93Dd68/1SRCQbe4U3b0txtDl++EEMKmpskBrH7F8WNrciAfw09vqFDHueQ+Ih37zeQaeHx+PdDkZNfoC1benhHAk3uoyfa1xwbziFibSOhQrdWtQ4PnNO1NjG1FohfkdIIMCDwbxSsAVtYeckelwtKAOlUflah53jpO7Vpmgc71hzhE5/eSoOjXQGYc58D1joncs99dxZ2UFjzWUw3+7Jd6HM801u7AmB9MGqzj10G42n646 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 Wed, Oct 08, 2025 at 01:04:11PM +0000, Alice Ryhl wrote: > > + limit: Range, > > The Range type is inclusive/exclusive but xa_limit is > inclusive/inclusive. They should match to avoid confusion. ... and xa_limit is inclusive at the top end to be sure that we can actually allocate 2^32-1. Or does Range handle that by using 0 to mean that 2^32-1 is allowed? >