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 Ybprpmc0 LxZL3289BQCaTHUT/zVFVxhBUpX/7feF3Wk2UMNTjdJxz9TIcHoOhFVTmq5K4w5Q/St1mYRfwDi7xUxT1YehlZ7WVAw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Oct 16, 2025 at 02:10:51PM -0700, Andrew Morton wrote: > On Thu, 16 Oct 2025 09:00:34 +0800 Kefeng Wang wrote: > > > On 2025/10/15 23:32, Lorenzo Stoakes wrote: > > > On Wed, Oct 15, 2025 at 08:35:14PM +0800, Kefeng Wang wrote: > > >> If the folio(even not CoW folio) is dma pinned, it can't be > > >> migrated, so always skip pinned folio to avoid a waste of cycles > > >> when folios migration. > > > > > > NIT: 'when folios migration' -> 'when folios are migrated'. > > > > > > Maybe worth saying 'due to elevated reference count?' > > > > > > > Hope Andrew could help to update the changelog. > > > > I changed it to this: > > : If the folio (even not CoW folio) is dma pinned, it can't be migrated > : due to the elevated reference count. So always skip a pinned folio to > : avoid wasting cycles when folios are migrated. > LGTM from my side, thanks! :)