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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <20230123173007.325544-1-dhowells@redhat.com> <20230123173007.325544-11-dhowells@redhat.com> <31f7d71d-0eb9-2250-78c0-2e8f31023c66@nvidia.com> <84721e8d-d40e-617c-b75e-ead51c3e1edf@nvidia.com> <852117.1674567983@warthog.procyon.org.uk> <852914.1674568628@warthog.procyon.org.uk> To: Christoph Hellwig Cc: dhowells@redhat.com, Jason Gunthorpe , John Hubbard , Al Viro , Matthew Wilcox , Jens Axboe , Jan Kara , Jeff Layton , Logan Gunthorpe , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Christoph Hellwig , linux-mm@kvack.org Subject: Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <859185.1674569545.1@warthog.procyon.org.uk> Date: Tue, 24 Jan 2023 14:12:25 +0000 Message-ID: <859186.1674569545@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: wn3y5z8zcsiry35e8n81b6cw4gtyqck5 X-Rspamd-Queue-Id: F0CB918000F X-HE-Tag: 1674569560-116990 X-HE-Meta: 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 2FwQzEfz 6PMP+w2/yMs3taEEyvCEepyOUBLd7dK6mwW7NmG9kIAq08KBdJrtmkqTHuhbPLUT0et8GyKmZw6mStI2Y4AZEOg6A0zgScPyz1dm9A+WrEI6TlK2dPGUx1TXfjXYzs2plBovVts1B010+MabST0ZV9BXsLDjnjzqDfoY8kJIMpBggw6IAqLO5PLmV6FpffRc4kf4n1lY1hROjFM89m5q5O2ySmnDFaUrNXEWjZvD1EFSzW6DHLm0IQlz4U85Uo97T0lgOThYJtAulNSlD0fDoZQ975w== 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: Christoph Hellwig wrote: > On Tue, Jan 24, 2023 at 01:57:08PM +0000, David Howells wrote: > > [include/linux/mm_types.h] > > #define PAGE_CLEANUP_UNPIN (1U << 0) > > #define PAGE_CLEANUP_PUT (1U << 0) > > With the latest series we don't need PAGE_CLEANUP_PUT at all. We will when it comes to skbuffs. David