Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA

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Subject: Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
From: Jason Gunthorpe <jgg@xxxxxxxxxx>
Date: Fri, 25 Aug 2023 14:29:40 -0300
Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>, "Kim, Dongwon" <dongwon.kim@xxxxxxxxx>, Daniel Vetter <daniel.vetter@xxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, "Kasireddy, Vivek" <vivek.kasireddy@xxxxxxxxx>, "dri-devel@xxxxxxxxxxxxxxxxxxxxx" <dri-devel@xxxxxxxxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, "Chang, Junxiao" <junxiao.chang@xxxxxxxxx>, Mike Kravetz <mike.kravetz@xxxxxxxxxx>
In-reply-to: <20e38c1d-24e0-4705-6acb-87921962ccee@redhat.com>
References: <20230817064934.3424431-1-vivek.kasireddy@intel.com> <ZN42XjuXUyma5uE+@nvidia.com> <IA0PR11MB7185ABFBB06771B7646F8F50F81FA@IA0PR11MB7185.namprd11.prod.outlook.com> <ZOSo2cuw1ashK3+Z@nvidia.com> <8afa35bb-c3ed-c939-46a4-a9a277b6d4e2@redhat.com> <IA0PR11MB7185B7B437E98F7F594D3E0EF81DA@IA0PR11MB7185.namprd11.prod.outlook.com> <b35cd8f7-e7dd-e47b-112c-62ee84c92768@redhat.com> <ZOeh4x58eGel7WwI@nvidia.com> <20e38c1d-24e0-4705-6acb-87921962ccee@redhat.com>

On Thu, Aug 24, 2023 at 08:33:09PM +0200, David Hildenbrand wrote:

> Sure, we can simply always fail when we detect ZONE_MOVABLE or MIGRATE_CMA.
> Maybe that keeps at least some use cases working.

That seems fairly reasonable

Jason

Follow-Ups:
- RE: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: Kasireddy, Vivek

References:
- [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: Vivek Kasireddy
- Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: Jason Gunthorpe
- RE: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: Kasireddy, Vivek
- Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: Jason Gunthorpe
- Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: David Hildenbrand
- RE: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: Kasireddy, Vivek
- Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: David Hildenbrand
- Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: Jason Gunthorpe
- Re: [PATCH v1 0/3] udmabuf: Add support for page migration out of movable zone or CMA
  - From: David Hildenbrand

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