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From: Jan Kara <jack@suse.cz>
To: john.hubbard@gmail.com
Cc: Matthew Wilcox <willy@infradead.org>,
	Michal Hocko <mhocko@kernel.org>,
	Christopher Lameter <cl@linux.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Dan Williams <dan.j.williams@intel.com>, Jan Kara <jack@suse.cz>,
	Al Viro <viro@zeniv.linux.org.uk>,
	linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
	linux-rdma <linux-rdma@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org, John Hubbard <jhubbard@nvidia.com>
Subject: Re: [PATCH 2/4] mm: introduce put_user_page(), placeholder version
Date: Wed, 3 Oct 2018 18:22:37 +0200	[thread overview]
Message-ID: <20181003162237.GH24030@quack2.suse.cz> (raw)
In-Reply-To: <20180928053949.5381-4-jhubbard@nvidia.com>

On Thu 27-09-18 22:39:48, john.hubbard@gmail.com wrote:
> From: John Hubbard <jhubbard@nvidia.com>
> 
> Introduces put_user_page(), which simply calls put_page().
> This provides a way to update all get_user_pages*() callers,
> so that they call put_user_page(), instead of put_page().
> 
> Also adds release_user_pages(), a drop-in replacement for
> release_pages(). This is intended to be easily grep-able,
> for later performance improvements, since release_user_pages
> is not batched like release_pages() is, and is significantly
> slower.

A small nit but can we maybe call this put_user_pages() for symmetry with
put_user_page()? I don't really care too much but it would look natural to
me.

								Honza

-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

  reply	other threads:[~2018-10-03 16:22 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-28  5:39 [PATCH 0/4] get_user_pages*() and RDMA: first steps john.hubbard
2018-09-28  5:39 ` [PATCH 1/4] mm: get_user_pages: consolidate error handling john.hubbard
2018-09-28  5:39 ` [PATCH 3/4] infiniband/mm: convert to the new put_user_page() call john.hubbard
2018-09-28 15:39   ` Jason Gunthorpe
2018-09-29  3:12     ` John Hubbard
2018-09-29  3:12       ` John Hubbard
2018-09-29 16:21       ` Matthew Wilcox
2018-09-29 19:19         ` Jason Gunthorpe
2018-10-01 12:50         ` Christoph Hellwig
2018-10-01 15:29           ` Matthew Wilcox
2018-10-01 15:51             ` Christoph Hellwig
2018-10-01 14:35       ` Dennis Dalessandro
2018-10-03  5:40         ` John Hubbard
2018-10-03  5:40           ` John Hubbard
2018-10-03 16:27       ` Jan Kara
2018-10-03 23:19         ` John Hubbard
2018-10-03 23:19           ` John Hubbard
2018-09-28  5:39 ` [PATCH 2/4] mm: introduce put_user_page(), placeholder version john.hubbard
2018-10-03 16:22   ` Jan Kara [this message]
2018-10-03 23:23     ` John Hubbard
2018-10-03 23:23       ` John Hubbard
2018-09-28  5:39 ` [PATCH 4/4] goldfish_pipe/mm: convert to the new release_user_pages() call john.hubbard
2018-09-28 15:29 ` [PATCH 0/4] get_user_pages*() and RDMA: first steps Jerome Glisse
2018-09-28 15:29   ` Jerome Glisse
2018-09-28 15:29   ` Jerome Glisse
2018-09-28 19:06   ` John Hubbard
2018-09-28 19:06     ` John Hubbard
2018-09-28 21:49     ` Jerome Glisse
2018-09-28 21:49       ` Jerome Glisse
2018-09-28 21:49       ` Jerome Glisse
2018-09-29  2:28       ` John Hubbard
2018-09-29  2:28         ` John Hubbard
2018-09-29  8:46         ` Jerome Glisse
2018-09-29  8:46           ` Jerome Glisse
2018-09-29  8:46           ` Jerome Glisse
2018-10-01  6:11           ` Dave Chinner
2018-10-01 12:47             ` Christoph Hellwig
2018-10-02  1:14               ` Dave Chinner
2018-10-03 16:21                 ` Jan Kara
2018-10-01 15:31             ` Jason Gunthorpe
2018-10-03 16:08           ` Jan Kara

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