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b=NgSB5cm6aonSSb5Kc8ap0Pfe0MXqC2Qxpb3j68QalfD6WCoKqhBp9aMXSIwy/ARVO y6D3X5HWbMho5zs84E2+muSU/oSlF0RWLu3GfDSp9GY+h/dNsrSNvldjyeSTJdvUse HIxVdlVPn9e/kfQMr+ah2AuBCw3N1gNx6+iFLfmcURnfbuc5jEzH/BkMplg3bHiDdF tCJnYw3IsV/dGch9yhRqhyF8Ta0cS8w9Z+zZieAiJDdQLAU5eWz1IGSdjQDQrK+ZAy f5yTLlQEDQn9c4wEquu3/VXVqbjSTcUaTFCu5YsIn6Mwuo7IwLH49T/Abo5ZpFyKrE XbGZs5pVWbnVg== Message-ID: Date: Thu, 12 Mar 2026 10:41:53 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v4 1/6] mm: introduce folios_mc_copy() for batch folio copying To: Shivank Garg , akpm@linux-foundation.org Cc: lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@kernel.org, willy@infradead.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, ziy@nvidia.com, matthew.brost@intel.com, joshua.hahnjy@gmail.com, rakie.kim@sk.com, byungchul@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com, apopple@nvidia.com, dave@stgolabs.net, Jonathan.Cameron@huawei.com, rkodsara@amd.com, vkoul@kernel.org, bharata@amd.com, sj@kernel.org, weixugc@google.com, dan.j.williams@intel.com, rientjes@google.com, xuezhengchu@huawei.com, yiannis@zptcorp.com, dave.hansen@intel.com, hannes@cmpxchg.org, jhubbard@nvidia.com, peterx@redhat.com, riel@surriel.com, shakeel.butt@linux.dev, stalexan@redhat.com, tj@kernel.org, nifan.cxl@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20260309120725.308854-3-shivankg@amd.com> <20260309120725.308854-5-shivankg@amd.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 09EA880009 X-Stat-Signature: tjp1z47nzj6hzs4uoqemgf75gpe5zuts X-Rspam-User: X-HE-Tag: 1773308524-441940 X-HE-Meta: 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 qeUP90/D oAZqwpPsj8G2jLkkNT1iG55K076LFWzuu8eW/2lAhBZkthf1nnxQfXIcCNLZJ9wRVLKtYnbotUw5xTdotuE3vMlwQ4b4ke/nY60dZWxC8SxAM5OKEWYc6/shNJHBW7GJbzjyD/1+bVMrK9Ayxf0U7cRNFxSlrmS8j0esVwAES1kqLAiZ86Tpe8lEsdBHL4/r5ef/HA/c8Z1Ed45TMyHX708+8HZ0qRN4Ku88NhPg3cGid3tzlPBLZS9c6LgPECuYpL2Dhu5yppNmXz0j4GfW5UBCl5KdYUmNLFctUaRgeWeqZ1asS4JWc6qS0pcw29rMhW1X/fcLd+3qfDJexpfOZPdtAdWsQk9lWcHDyCVRFu6H1JvvZH41W3uULLjsWNgkMZfzJ4uS3ZybX0w0WNdsGZ8tJ1A== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 3/9/26 13:07, Shivank Garg wrote: > Add folios_mc_copy() which walks list of src and dst folios in lockstep, > and copies folio content via folio_mc_copy(). folios_cnt parameter is > unused here, but is part of the offload_copy callback signature used by > later patches in the series. > > Signed-off-by: Shivank Garg > --- I'd just squash that into patch #3. -- Cheers, David