Re: [PATCH v2 2/7] mm/gup: introduce pin_user_page()

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To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 2/7] mm/gup: introduce pin_user_page()
From: John Hubbard <jhubbard@xxxxxxxxxx>
Date: Tue, 6 Sep 2022 00:12:29 -0700
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Miklos Szeredi <miklos@xxxxxxxxxx>, "Darrick J . Wong" <djwong@xxxxxxxxxx>, Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>, Anna Schumaker <anna@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <YxbquGs0QN3BRw4I@infradead.org>
References: <20220831041843.973026-1-jhubbard@nvidia.com> <20220831041843.973026-3-jhubbard@nvidia.com> <YxbquGs0QN3BRw4I@infradead.org>
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On 9/5/22 23:37, Christoph Hellwig wrote:
> No need to export this, it really is an internal helper for
> the iov_iter code.

Agreed. I'd fallen into a bit of a habit, for gup APIs. But this
one has a much more limited and special role, yes.


thanks,

-- 
John Hubbard
NVIDIA

References:
- [PATCH v2 0/7] convert most filesystems to pin_user_pages_fast()
  - From: John Hubbard
- [PATCH v2 2/7] mm/gup: introduce pin_user_page()
  - From: John Hubbard
- Re: [PATCH v2 2/7] mm/gup: introduce pin_user_page()
  - From: Christoph Hellwig

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