From: Christopher Lameter <cl@linux.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Jerome Glisse <jglisse@redhat.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
john.hubbard@gmail.com, Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Al Viro <viro@zeniv.linux.org.uk>,
Christian Benvenuti <benve@cisco.com>,
Christoph Hellwig <hch@infradead.org>,
Dan Williams <dan.j.williams@intel.com>,
Dennis Dalessandro <dennis.dalessandro@intel.com>,
Doug Ledford <dledford@redhat.com>,
Ira Weiny <ira.weiny@intel.com>, Jan Kara <jack@suse.cz>,
Jason Gunthorpe <jgg@ziepe.ca>,
Matthew Wilcox <willy@infradead.org>,
Michal Hocko <mhocko@kernel.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Mike Marciniszyn <mike.marciniszyn@intel.com>,
Ralph Campbell <rcampbell@nvidia.com>,
Tom Talpey <tom@talpey.com>, LKML <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org, John Hubbard <jhubbard@nvidia.com>,
Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: [PATCH v4 1/1] mm: introduce put_user_page*(), placeholder versions
Date: Wed, 20 Mar 2019 01:01:06 +0000 [thread overview]
Message-ID: <01000169989db656-8868a4b2-a8eb-4666-872f-2ed9885c99e6-000000@email.amazonses.com> (raw)
In-Reply-To: <20190319235752.GB26298@dastard>
On Wed, 20 Mar 2019, Dave Chinner wrote:
> So the plan for GUP vs writeback so far is "break fsync()"? :)
Well if its an anonymous page and not a file backed page then the
semantics are preserved. Disallow GUP long term pinning (marking stuff like in this
patchset may make that possible) and its clean.
next prev parent reply other threads:[~2019-03-20 1:01 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-08 21:36 [PATCH v4 0/1] mm: introduce put_user_page*(), placeholder versions john.hubbard
2019-03-08 21:36 ` [PATCH v4 1/1] " john.hubbard
2019-03-19 12:04 ` Kirill A. Shutemov
2019-03-19 13:47 ` Jerome Glisse
2019-03-19 14:06 ` Kirill A. Shutemov
2019-03-19 14:15 ` Jerome Glisse
2019-03-19 20:01 ` John Hubbard
2019-03-20 9:28 ` Kirill A. Shutemov
2019-03-19 14:14 ` Jerome Glisse
2019-03-19 14:29 ` Kirill A. Shutemov
2019-03-19 15:36 ` Jan Kara
2019-03-19 9:03 ` Ira Weiny
2019-03-19 20:43 ` Tom Talpey
2019-03-19 20:45 ` Jerome Glisse
2019-03-19 20:55 ` Tom Talpey
2019-03-19 19:02 ` John Hubbard
2019-03-19 21:23 ` Dave Chinner
2019-03-19 22:06 ` Jerome Glisse
2019-03-19 23:57 ` Dave Chinner
2019-03-20 0:08 ` Jerome Glisse
2019-03-20 1:43 ` John Hubbard
2019-03-20 4:33 ` Jerome Glisse
2019-03-20 9:08 ` Ira Weiny
2019-03-20 14:55 ` William Kucharski
2019-03-20 14:59 ` Jerome Glisse
2019-03-20 0:15 ` John Hubbard
2019-03-20 1:01 ` Christopher Lameter [this message]
2019-03-19 19:24 ` John Hubbard
2019-03-20 9:40 ` Kirill A. Shutemov
2019-03-08 23:21 ` [PATCH v4 0/1] " John Hubbard
2019-03-19 18:12 ` Christopher Lameter
2019-03-19 19:24 ` John Hubbard
2019-03-20 1:09 ` Christopher Lameter
2019-03-20 1:18 ` John Hubbard
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