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[156.34.48.30]) by smtp.gmail.com with ESMTPSA id j11sm6987698qko.111.2020.09.10.10.25.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2020 10:25:15 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kGQJu-004O47-FJ; Thu, 10 Sep 2020 14:25:14 -0300 Date: Thu, 10 Sep 2020 14:25:14 -0300 From: Jason Gunthorpe To: Jonathan Corbet Cc: Ralph Campbell , linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, =?utf-8?B?SsOpcsO0bWU=?= Glisse , Andrew Morton 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200910105657.6007c5ca@lwn.net> X-Rspamd-Queue-Id: 15A81100D2B70 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000285, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Sep 10, 2020 at 10:56:57AM -0600, Jonathan Corbet wrote: > On Wed, 9 Sep 2020 14:29:56 -0700 > Ralph Campbell 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 > > > > 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