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Wong" Cc: Jens Axboe , "Christoph Lameter (Ampere)" , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, hannes@cmpxchg.org, clm@meta.com, linux-kernel@vger.kernel.org, willy@infradead.org, kirill@shutemov.name, bfoster@redhat.com Subject: Re: [PATCHSET v6 0/12] Uncached buffered IO Message-ID: References: <20241203153232.92224-2-axboe@kernel.dk> <668f271f-dc44-49e1-b8dc-08e65e1fec23@kernel.dk> <36599cce-42ba-ddfb-656f-162548fdb300@gentwo.org> <20241204055241.GA7820@frogsfrogsfrogs> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241204055241.GA7820@frogsfrogsfrogs> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: D279740011 X-Stat-Signature: kwbyyqbi1m9yaa3br1uq77iabfyno53d X-Rspam-User: X-HE-Tag: 1733829060-541519 X-HE-Meta: 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 20PEEInK sAecl6I3NAMS1DKKSRryXGuwxPXsOK51G6sqq0FGnXHXQgdIgTMVlcXxk/YReu9Z6w7grpr31kcMpD2ocQW2O3domqL/6ofQMEOWmSd8THv4FK6yfsxm1X5PYW5q+QRu4yLbgNOhlb4Kxfk8sUc87DKPlsN4beDxn/oQtka/DuKZJXko+uOgg4LyicACKPcd5IoaCdqX+D4T4pUKQNMYnJTXG6dr0EcIN6F7+myb5TmpCEzG3MxJ9g/0ZK9v/NfTdara0wjMucpokDkfItvSvN/q4WGjlkRoBE5acod6JTHTmiH/HStS6OmZAPeVTj0NlRsThGG70E+T2GZhci+7oEAnqXMxa87bpt6+oiqKLyhgklEd4Ag8YkHcLx2/tZ8yicgSHTZD4ALze/HXbvlIWYXso4nT96Ydpi7eScbHlb+eOtc7oNNGK0dWTN7QM+AwxL7eUzRgZv7oRaQPz56NX7BPzxqS9fJPp2TMq 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 Tue, Dec 03, 2024 at 09:52:41PM -0800, Darrick J. Wong wrote: > RWF_DONTCACHE, to match {I,DCACHE}_DONTCACHE ? ;) > > They sound pretty similar ("load this so I can do something with it, > evict it immediately if possible") though I wouldn't rely on people > outside the kernel being familiar with the existing dontcaches. FYI, another word for dontcache. uncached just has too many conotations in the kernel context.