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Date:   Thu, 10 Sep 2020 14:25:14 -0300
From:   Jason Gunthorpe <jgg@ziepe.ca>
To:     Jonathan Corbet <corbet@lwn.net>
Cc:     Ralph Campbell <rcampbell@nvidia.com>, linux-doc@vger.kernel.org,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        =?utf-8?B?SsOpcsO0bWU=?= Glisse <jglisse@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm/doc: add usage description for migrate_vma_*()
Message-ID: <20200910172514.GN87483@ziepe.ca>
References: <20200909212956.20104-1-rcampbell@nvidia.com>
 <20200910105657.6007c5ca@lwn.net>
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On Thu, Sep 10, 2020 at 10:56:57AM -0600, Jonathan Corbet wrote:
> On Wed, 9 Sep 2020 14:29:56 -0700
> Ralph Campbell <rcampbell@nvidia.com> wrote:
> 
> > The migrate_vma_setup(), migrate_vma_pages(), and migrate_vma_finalize()
> > API usage by device drivers is not well documented.
> > Add a description for how device drivers are expected to use it.
> > 
> > Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
> > 
> > There shouldn't be any merge conflict with my previous patch which
> > touched hmm.rst but since Jonathan Corbet took my last patch, perhaps he
> > would like to take this one through his tree too.
> 
> I'm happy to take it, but it certainly needs an ack from somebody who
> understands HMM better than I do.

Ralph wrote all the in kernel tests for this API, so I think he is
well positioned to write the documentation :)

Jason