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From:   David Howells <dhowells@redhat.com>
In-Reply-To: <Y8/lEVirzumLn4OG@infradead.org>
References: <Y8/lEVirzumLn4OG@infradead.org> <Y8/hhvfDtVcsgQd6@nvidia.com> <Y8/ZekMEAfi8VeFl@nvidia.com> <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 <hch@infradead.org>
Cc:     dhowells@redhat.com, Jason Gunthorpe <jgg@nvidia.com>,
        John Hubbard <jhubbard@nvidia.com>,
        Al Viro <viro@zeniv.linux.org.uk>,
        Matthew Wilcox <willy@infradead.org>,
        Jens Axboe <axboe@kernel.dk>, Jan Kara <jack@suse.cz>,
        Jeff Layton <jlayton@kernel.org>,
        Logan Gunthorpe <logang@deltatee.com>,
        linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
        linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
        linux-mm@kvack.org
Subject: Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
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Date:   Tue, 24 Jan 2023 14:12:25 +0000
Message-ID: <859186.1674569545@warthog.procyon.org.uk>
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Christoph Hellwig <hch@infradead.org> 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