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Fri, 21 Mar 2025 09:03:50 -0700 (PDT) MIME-Version: 1.0 References: <20250320173931.1583800-1-surenb@google.com> <20250320173931.1583800-2-surenb@google.com> In-Reply-To: From: Suren Baghdasaryan Date: Fri, 21 Mar 2025 09:03:37 -0700 X-Gm-Features: AQ5f1JrBg768vc8VQCwRG29x43voyrYWFfgAzMuHmylUPx3zi7H160snG2PZn8A Message-ID: Subject: Re: [RFC 1/3] mm: implement cleancache To: Christoph Hellwig Cc: akpm@linux-foundation.org, willy@infradead.org, david@redhat.com, vbabka@suse.cz, lorenzo.stoakes@oracle.com, liam.howlett@oracle.com, alexandru.elisei@arm.com, peterx@redhat.com, hannes@cmpxchg.org, mhocko@kernel.org, m.szyprowski@samsung.com, iamjoonsoo.kim@lge.com, mina86@mina86.com, axboe@kernel.dk, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, hbathini@linux.ibm.com, sourabhjain@linux.ibm.com, ritesh.list@gmail.com, aneesh.kumar@kernel.org, bhelgaas@google.com, sj@kernel.org, fvdl@google.com, ziy@nvidia.com, yuzhao@google.com, minchan@kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Minchan Kim Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: D76281C0003 X-Stat-Signature: r8jonr7hdozioc1y94wqakxtpe883igo X-Rspam-User: X-HE-Tag: 1742573031-528077 X-HE-Meta: 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 g5RrMRyh HDHQdIdJcr6ddzCWT6qwyKl6fGFfk4Xiew2WUSZd84B0zCrPYZ/A/QKGW1tlyegSR4UZGUsezw16Gl6xe3c/gIsXSHbKdzlmqbsO+4u1zi5778Rn4ETZPPSNToxlfpLXHykB9lvxPwaJrM4+38bfI8mlYvhzFeAovmfT8IW88V8rJwZlxH/3NqTGQE2AWa9toJd2+sMaz+JSpsf0pZa7rMMlKYwK4ejz3tFrpcS2R32ivcS5KC3bf0EthFhUGxmtzdw0qprh9ELgnRRRmvKBqyixNyKDwBh+xUqv4bdYpEjKXqcawMoJ1gMijsLPUaYZvq23VLfSnObgbVEg= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000630, 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, Mar 20, 2025 at 10:14=E2=80=AFPM Christoph Hellwig wrote: > > On Thu, Mar 20, 2025 at 10:39:29AM -0700, Suren Baghdasaryan wrote: > > Cleancache can be thought of as a page-granularity victim cache for cle= an > > Please implement your semantics directly instea of with a single user > abstraction. If we ever need an abstraction we can add it once we have > multiple consumers and know what they need. If after the conference no other users emerge I will fold it into GCMA. That's quite easy to do. Thanks, Suren. >