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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, May 13, 2026 at 02:27:48PM +0000, Pranjal Shrivastava wrote: > Now, if we're work on an SVA page, with only SMMU supporting HTTU. A DMA > writes to the page and the process (CPU) calls fsync(). IIUC, it performs > a lookup in the Page Cache specifically for folios tagged as DIRTY. > Since, vmscan didn't run yet, this could potentally drop the writes.. How does it work differently in the MM when the CPU has BBM support? Jason