From: Reza Arbab <arbab@linux.vnet.ibm.com>
To: "Jérôme Glisse" <jglisse@redhat.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, John Hubbard <jhubbard@nvidia.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
David Nellans <dnellans@nvidia.com>,
Evgeny Baskakov <ebaskakov@nvidia.com>,
Mark Hairgrove <mhairgrove@nvidia.com>,
Sherry Cheung <SCheung@nvidia.com>,
Subhash Gutti <sgutti@nvidia.com>
Subject: Re: [HMM v17 06/14] mm/migrate: new memory migration helper for use with device memory v3
Date: Wed, 22 Feb 2017 09:31:18 -0600 [thread overview]
Message-ID: <20170222153118.xi7rom4mbi4jt37n@arbab-laptop> (raw)
In-Reply-To: <1485557541-7806-7-git-send-email-jglisse@redhat.com>
On Fri, Jan 27, 2017 at 05:52:13PM -0500, Jerome Glisse wrote:
>This patch add a new memory migration helpers, which migrate memory
>backing a range of virtual address of a process to different memory
>(which can be allocated through special allocator). It differs from
>numa migration by working on a range of virtual address and thus by
>doing migration in chunk that can be large enough to use DMA engine
>or special copy offloading engine.
Just wanted to say I've found these migration helpers quite useful. I've
been prototyping some driver code which uses them, rebasing on each HMM
revision since v14. So for what it's worth,
Acked-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Tested-by: Reza Arbab <arbab@linux.vnet.ibm.com>
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Reza Arbab
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next prev parent reply other threads:[~2017-02-22 15:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-27 22:52 [HMM v17 00/14] HMM (Heterogeneous Memory Management) v17 Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 01/14] mm/memory/hotplug: convert device bool to int to allow for more flags v2 Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 02/14] mm/ZONE_DEVICE/free-page: callback when page is freed v2 Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 03/14] mm/ZONE_DEVICE/unaddressable: add support for un-addressable device memory v3 Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 04/14] mm/ZONE_DEVICE/x86: add support for un-addressable device memory Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 05/14] mm/migrate: add new boolean copy flag to migratepage() callback Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 06/14] mm/migrate: new memory migration helper for use with device memory v3 Jérôme Glisse
2017-02-22 15:31 ` Reza Arbab [this message]
2017-01-27 22:52 ` [HMM v17 07/14] mm/migrate: migrate_vma() unmap page from vma while collecting pages Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 08/14] mm/hmm: heterogeneous memory management (HMM for short) Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 09/14] mm/hmm/mirror: mirror process address space on device with HMM helpers Jérôme Glisse
2017-03-13 22:10 ` Krishna Reddy
2017-01-27 22:52 ` [HMM v17 10/14] mm/hmm/mirror: helper to snapshot CPU page table Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 11/14] mm/hmm/mirror: device page fault handler Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 12/14] mm/hmm/migrate: support un-addressable ZONE_DEVICE page in migration Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 13/14] mm/hmm/devmem: device memory hotplug using ZONE_DEVICE Jérôme Glisse
2017-01-27 22:52 ` [HMM v17 14/14] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE memory v2 Jérôme Glisse
2017-01-28 5:39 ` [HMM v17 00/14] HMM (Heterogeneous Memory Management) v17 John Hubbard
2017-02-22 7:19 ` Balbir Singh
2017-02-22 8:16 ` Andrew Morton
2017-02-22 8:27 ` Balbir Singh
2017-02-22 15:49 ` Reza Arbab
2017-02-22 23:58 ` John Hubbard
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