From: Christoph Lameter <cl@linux.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
jglisse@redhat.com, mgorman@suse.de, aarcange@redhat.com,
riel@redhat.com, airlied@redhat.com,
aneesh.kumar@linux.vnet.ibm.com,
Cameron Buschardt <cabuschardt@nvidia.com>,
Mark Hairgrove <mhairgrove@nvidia.com>,
Geoffrey Gerfin <ggerfin@nvidia.com>,
John McKenna <jmckenna@nvidia.com>,
akpm@linux-foundation.org
Subject: Re: Interacting with coherent memory on external devices
Date: Wed, 22 Apr 2015 10:20:08 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.11.1504221018340.24979@gentwo.org> (raw)
In-Reply-To: <20150422005757.GP5561@linux.vnet.ibm.com>
On Tue, 21 Apr 2015, Paul E. McKenney wrote:
> Ben will correct me if I am wrong, but I do not believe that we are
> looking for persistent memory in this case.
DAX is way of mapping special memory into user space. Persistance is one
possible use case. Its like the XIP that you IBMers know from z/OS
or the 390 mainframe stuff.
Its been widely discussed at memory managenent meetings. A bit surprised
that this is not a well known thing.
--
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next prev parent reply other threads:[~2015-04-22 15:20 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-21 21:44 Paul E. McKenney
2015-04-21 23:46 ` Jerome Glisse
2015-04-22 0:36 ` Benjamin Herrenschmidt
2015-04-22 12:42 ` Paul E. McKenney
2015-04-21 23:49 ` Christoph Lameter
2015-04-22 0:05 ` Jerome Glisse
2015-04-22 0:50 ` Christoph Lameter
2015-04-22 1:01 ` Benjamin Herrenschmidt
2015-04-22 13:35 ` Paul E. McKenney
2015-04-22 13:18 ` Paul E. McKenney
2015-04-22 16:16 ` Christoph Lameter
2015-04-22 17:07 ` Jerome Glisse
2015-04-22 18:17 ` Christoph Lameter
2015-04-22 18:52 ` Paul E. McKenney
2015-04-23 14:12 ` Christoph Lameter
2015-04-23 19:24 ` Paul E. McKenney
2015-04-24 14:01 ` Christoph Lameter
2015-04-24 14:13 ` Paul E. McKenney
2015-04-24 15:53 ` Rik van Riel
2015-04-23 2:36 ` Benjamin Herrenschmidt
2015-04-23 14:10 ` Christoph Lameter
2015-04-23 15:42 ` Jerome Glisse
2015-04-24 14:04 ` Christoph Lameter
2015-04-23 22:29 ` Benjamin Herrenschmidt
2015-04-23 2:30 ` Benjamin Herrenschmidt
2015-04-23 14:25 ` Christoph Lameter
2015-04-23 15:25 ` Austin S Hemmelgarn
2015-04-23 19:33 ` Paul E. McKenney
2015-04-24 14:12 ` Christoph Lameter
2015-04-24 14:57 ` Paul E. McKenney
2015-04-24 15:09 ` Jerome Glisse
2015-04-25 11:20 ` Paul E. McKenney
2015-04-24 15:52 ` Christoph Lameter
2015-04-23 22:37 ` Benjamin Herrenschmidt
2015-04-24 14:09 ` Christoph Lameter
2015-04-23 16:04 ` Rik van Riel
2015-04-22 0:42 ` Benjamin Herrenschmidt
2015-04-22 0:57 ` Paul E. McKenney
2015-04-22 1:04 ` Benjamin Herrenschmidt
2015-04-22 15:25 ` Christoph Lameter
2015-04-22 16:31 ` Jerome Glisse
2015-04-22 17:14 ` Christoph Lameter
2015-04-22 19:07 ` Jerome Glisse
2015-04-23 2:34 ` Benjamin Herrenschmidt
2015-04-23 14:38 ` Christoph Lameter
2015-04-23 16:11 ` Jerome Glisse
2015-04-24 14:29 ` Christoph Lameter
2015-04-24 15:08 ` Jerome Glisse
2015-04-24 16:03 ` Christoph Lameter
2015-04-24 16:43 ` Jerome Glisse
2015-04-24 16:58 ` Christoph Lameter
2015-04-24 17:19 ` Jerome Glisse
2015-04-24 18:56 ` Christoph Lameter
2015-04-24 19:29 ` Jerome Glisse
2015-04-24 20:00 ` Christoph Lameter
2015-04-24 20:32 ` Jerome Glisse
2015-04-25 11:46 ` Paul E. McKenney
2015-04-27 15:08 ` Christoph Lameter
2015-04-27 15:47 ` Jerome Glisse
2015-04-27 16:17 ` Christoph Lameter
2015-04-27 16:29 ` Rik van Riel
2015-04-27 16:48 ` Christoph Lameter
2015-04-27 23:54 ` Benjamin Herrenschmidt
2015-05-13 14:10 ` Vlastimil Babka
2015-05-13 23:38 ` Benjamin Herrenschmidt
2015-05-14 7:39 ` Vlastimil Babka
2015-05-14 7:51 ` Benjamin Herrenschmidt
2015-05-28 18:18 ` Paul E. McKenney
2015-04-27 16:43 ` Jerome Glisse
2015-04-27 16:51 ` Christoph Lameter
2015-04-27 17:21 ` Jerome Glisse
2015-04-27 19:26 ` Christoph Lameter
2015-04-27 19:35 ` Rik van Riel
2015-04-27 20:52 ` Jerome Glisse
2015-04-28 14:18 ` Christoph Lameter
2015-04-28 17:20 ` Jerome Glisse
2015-04-27 16:15 ` Paul E. McKenney
2015-04-27 16:31 ` Christoph Lameter
2015-04-24 23:45 ` Benjamin Herrenschmidt
2015-04-23 18:52 ` Paul E. McKenney
2015-04-24 14:30 ` Christoph Lameter
2015-04-24 14:54 ` Paul E. McKenney
2015-04-24 15:49 ` Christoph Lameter
2015-04-24 16:06 ` Rik van Riel
2015-04-25 11:49 ` Paul E. McKenney
2015-04-24 16:00 ` Jerome Glisse
2015-04-24 16:08 ` Rik van Riel
2015-04-23 17:28 ` Rik van Riel
2015-04-23 2:27 ` Benjamin Herrenschmidt
2015-04-23 14:20 ` Christoph Lameter
2015-04-23 16:22 ` Jerome Glisse
2015-04-24 18:41 ` Oded Gabbay
2015-04-23 19:00 ` Paul E. McKenney
2015-04-22 15:20 ` Christoph Lameter [this message]
2015-04-25 2:32 ` Rik van Riel
2015-04-25 3:32 ` Benjamin Herrenschmidt
2015-04-25 11:55 ` Paul E. McKenney
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