Re: [PATCH v4 hmm 04/12] mm/hmm: Simplify hmm_get_or_create and make it reliable

To: Jason Gunthorpe <jgg@xxxxxxxx>
Subject: Re: [PATCH v4 hmm 04/12] mm/hmm: Simplify hmm_get_or_create and make it reliable
From: Christoph Hellwig <hch@xxxxxx>
Date: Tue, 25 Jun 2019 09:02:34 +0200
Cc: Jerome Glisse <jglisse@xxxxxxxxxx>, Ralph Campbell <rcampbell@xxxxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Felix.Kuehling@xxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Andrea Arcangeli <aarcange@xxxxxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, Ben Skeggs <bskeggs@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Philip Yang <Philip.Yang@xxxxxxx>, Ira Weiny <ira.weiny@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxxxx>
In-reply-to: <20190624210110.5098-5-jgg@ziepe.ca>
References: <20190624210110.5098-1-jgg@ziepe.ca> <20190624210110.5098-5-jgg@ziepe.ca>
User-agent: Mutt/1.5.17 (2007-11-01)

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v4 hmm 00/12]
  - From: Jason Gunthorpe
- [PATCH v4 hmm 04/12] mm/hmm: Simplify hmm_get_or_create and make it reliable
  - From: Jason Gunthorpe