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charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.2 (3.60.2-1.fc44) MIME-Version: 1.0 X-Rspamd-Queue-Id: DE18880008 X-Rspam-User: X-Stat-Signature: zd1tt4acjhdao3qekkqyjmozhretibqf X-Rspamd-Server: rspam06 X-HE-Tag: 1787083842-225088 X-HE-Meta: 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 NveJhL0P l+vWj3rW0UghzYlwq52b8bret16IAr00I7ah2IyJg4/pGjs01rsFwHfrPIgRCHaTuQwfdeyl6aS+3CX8mwJGZozJmTOK+UZTxYH9kNaWfsVwAUkNz1LqaKBDmpJrCBgyzgaWk9Tx/8FtgHep9Ivo2dyKSBkVANo0f/9csf3eiRnl5qEGHpDRhqWGSNEkXwhCjKwUE0eVqzD+74GUMoSW0cLjKUmzL/7guu+GN5DufbvjXtnCIvilgJP0VHMXKS23fy14N+aM7n3gidRNjJwwpWV/cdR6Ksat/pD5reclMVMsGspsj4LPRA5AJjMvgDqGB83/QLsE94+5gCO20tBlT0/XwqN6ibl0qIj8L Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 2026-08-18 at 20:13 +0200, David Hildenbrand (Arm) wrote: > On 8/18/26 18:38, Rik van Riel wrote: > > On Sun, 2026-08-16 at 23:45 +0100, Kiryl Shutsemau wrote: > > > From: "Kiryl Shutsemau (Meta)" > > >=20 > > > Callers that want the folio behind a present PTE spell it out as > > > page_folio(pte_page(pte)). > > >=20 > > > Add pte_folio() as the folio companion to pte_page(), and convert > > > the > > > callers in fs/proc/task_mmu.c and mm/hugetlb.c. > > >=20 > > > Preparation for the anonymous collapse engine, which reads the > > > folio > > > behind a PTE in several places. > > >=20 > > > Assisted-by: Claude-Code:claude-opus-5 > > > Signed-off-by: Kiryl Shutsemau (Meta) > >=20 > > Oh nice, this could clean up some things in the > > get_user_pages code too, when we get around to > > tech debt there. >=20 > We really need the page in GUP code ... Ugh, indeed. COW can create "holes" in the middle of a large folio, so even __access_remote_vm() will continue to need pages. I guess we'll continue to look up both page and folio in that code, then :/ --=20 All Rights Reversed.