Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down

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To: David Howells <dhowells@xxxxxxxxxx>
Subject: Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 24 Jan 2023 06:13:34 -0800
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, linux-mm@xxxxxxxxx
In-reply-to: <859186.1674569545@warthog.procyon.org.uk>

On Tue, Jan 24, 2023 at 02:12:25PM +0000, David Howells wrote:
> > With the latest series we don't need PAGE_CLEANUP_PUT at all.
> 
> We will when it comes to skbuffs.

I'm a little doubtful of that.  But IFF skbuffs need it, we can
just change the interface at that point.

References:
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: Christoph Hellwig
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: Jason Gunthorpe
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: Jason Gunthorpe
- [PATCH v8 00/10] iov_iter: Improve page extraction (pin or just list)
  - From: David Howells
- [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: David Howells
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: John Hubbard
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: John Hubbard
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: David Howells
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: David Howells
- Re: [PATCH v8 10/10] mm: Renumber FOLL_PIN and FOLL_GET down
  - From: David Howells

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