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See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam01 X-Stat-Signature: k57xtjoo9e5xpsjbbwyz7b1ifpzgym1s X-Rspam-User: X-Rspamd-Queue-Id: 766A640002 X-HE-Tag: 1760682614-165943 X-HE-Meta: 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 L3zdJ432 QmbZ4oI8Dr1UyGyQhQW/JF/GDdN89dMymfkfPcewCsJBiXBKIfwl0qzdK5StiX4gVAz/60iBO6MHUGLl+0SWM30Y7IFCXeRfXuu1iCr8PmaCQTIAX0+2EAbC7AHXguXcbIpdDtjqyhA6tQ2MHmVWKQSGhkXVDcWG7OSkg1ReTGHJDrhaeMiApwOFsUJSvfT+OqVixvIR/m2K71drKFVVDjOPnp/RdL12sEy5sK1AdMUM32asFcq6dpMFc3qJI7rxxV8wEB30lBG9IfX14mxN73WZ98j3SzBwwId7kjUCPJi9f9SGdeKlEyauJtsyu3enaBs/uY9GVXpt/vWKixk4VbouOAWMPXTTNrUdGsB4UZ+2lwkwI1l/cOBHA+Rx+e0KsXvFHhqUTPuOH5njBlfWszP8o3Hz4u8tpPsPi5xD4x/Au+9A= 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 Mon, Oct 13, 2025 at 06:26:03PM +0300, Leon Romanovsky wrote: > The DMA API now has a new flow, and has gained phys_addr_t support, so > it no longer needs struct pages to perform P2P mapping. That's news to me. All the pci_p2pdma_map_state machinery is still based on pgmaps and thus pages. > Lifecycle management can be delegated to the user, DMABUF for instance > has a suitable invalidation protocol that does not require struct page. How?