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Re: [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE memory v2

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On Fri, Mar 17, 2017 at 02:55:57PM +0800, Bob Liu wrote:
> Hi Jérôme,
> 
> On 2017/3/17 0:05, Jérôme Glisse wrote:
> > This introduce a dummy HMM device class so device driver can use it to
> > create hmm_device for the sole purpose of registering device memory.
> 
> May I ask where is the latest dummy HMM device driver?
> I can only get this one: https://patchwork.kernel.org/patch/4352061/

https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-next

This is a 4.10 tree but the dummy driver there apply on top of v18

https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-v18

This is really an example driver it doesn't do anything useful beside
help in testing and debugging.

Cheers,
Jérôme

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[HMM 00/16] HMM (Heterogeneous Memory Management) v18 Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
  [HMM 14/16] mm/migrate: allow migrate_vma() to alloc new page on empty entry Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
  [HMM 10/16] mm/hmm/mirror: mirror process address space on device with HMM helpers Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
    Re: [HMM 10/16] mm/hmm/mirror: mirror process address space on  device with HMM helpers Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:10 +0100
  [HMM 15/16] mm/hmm/devmem: device memory hotplug using ZONE_DEVICE Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
  [HMM 09/16] mm/hmm: heterogeneous memory management (HMM for short) Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
    Re: [HMM 09/16] mm/hmm: heterogeneous memory management (HMM for  short) Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:10 +0100
  [HMM 11/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
    Re: [HMM 11/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:20 +0100
  [HMM 03/16] mm/ZONE_DEVICE/free-page: callback when page is freed v3 Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
    Re: [HMM 03/16] mm/ZONE_DEVICE/free-page: callback when page is  freed v3 Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:10 +0100
  [HMM 04/16] mm/ZONE_DEVICE/unaddressable: add support for un-addressable device memory v3 Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
    Re: [HMM 04/16] mm/ZONE_DEVICE/unaddressable: add support for  un-addressable device memory v3 Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:10 +0100
  [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE memory v2 Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
    Re: [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE  memory v2 Bob Liu <liubo95@huawei.com> - 2017-03-17 08:10 +0100
      Re: [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE  memory v2 Jerome Glisse <jglisse@redhat.com> - 2017-03-17 18:00 +0100
  [HMM 01/16] mm/memory/hotplug: convert device bool to int to allow for more flags v3 Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
    Re: [HMM 01/16] mm/memory/hotplug: convert device bool to int to  allow for more flags v3 Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:10 +0100
  [HMM 08/16] mm/migrate: migrate_vma() unmap page from vma while collecting pages Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
  [HMM 13/16] mm/hmm/migrate: support un-addressable ZONE_DEVICE page in migration Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:20 +0100
  [HMM 05/16] mm/ZONE_DEVICE/x86: add support for un-addressable device memory Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:30 +0100
  [HMM 02/16] mm/put_page: move ref decrement to put_zone_device_page() Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:30 +0100
    Re: [HMM 02/16] mm/put_page: move ref decrement to  put_zone_device_page() Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:10 +0100
  [HMM 06/16] mm/migrate: add new boolean copy flag to migratepage() callback Jérôme Glisse <jglisse@redhat.com> - 2017-03-16 16:30 +0100
    Re: [HMM 06/16] mm/migrate: add new boolean copy flag to  migratepage() callback Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:10 +0100
  Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Andrew Morton <akpm@linux-foundation.org> - 2017-03-16 21:50 +0100
    Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Jerome Glisse <jglisse@redhat.com> - 2017-03-17 01:00 +0100
      Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Bob Liu <liubo95@huawei.com> - 2017-03-17 09:30 +0100
        Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Jerome Glisse <jglisse@redhat.com> - 2017-03-17 17:00 +0100
      Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Bob Liu <liubo95@huawei.com> - 2017-03-17 09:50 +0100
        Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Jerome Glisse <jglisse@redhat.com> - 2017-03-17 17:20 +0100
  Re: [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Mel Gorman <mgorman@techsingularity.net> - 2017-03-19 21:40 +0100

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