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b=TmxYlVsFqiPkcmzRsgs+/5IiPeWn4F5SarrOmovXS/+fpq7K3Hw/BUjoxNpkZpQwv qg4o4wOZLE5nFh4fScC2BLXp31ZaF7xW6HrYVJ2LmbnkgUE4I5kHaFZA6g8RoZ+1TY yqwmdnQ/Q2J8RguNUaTh33CjL4S8cJMwotudlCKU= Date: Mon, 25 Mar 2024 11:30:43 -0700 From: Andrew Morton To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mike Rapoport , Miklos Szeredi , Lorenzo Stoakes , xingwei lee , yue sun , Miklos Szeredi , stable@vger.kernel.org Subject: Re: [PATCH v1 1/3] mm/secretmem: fix GUP-fast succeeding on secretmem folios Message-Id: <20240325113043.4fb05ab324e5c21ec4c0c0d4@linux-foundation.org> In-Reply-To: <20240325134114.257544-2-david@redhat.com> References: <20240325134114.257544-1-david@redhat.com> <20240325134114.257544-2-david@redhat.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: e1zjwerm3434c79eburcjcjtayu7bii1 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 10DAB14001A X-HE-Tag: 1711391444-47414 X-HE-Meta: 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 XoFMGQ/r DFzbOPZgBeOCGSeQXywbLFwh2OfkubF9toKkoC6ZRC1aEhwlQpi9DAkBG4TLwePxlv9hYhuu513eeClqzrpK46P6m/uSqw7h4+UlPwsdpur10kOcpe9KANlxQ4T755BxRgxlEmmBq8NqOOlrC/V2TDQAtMM2G6VAlgCksfCbvU9UPbrS5I8s/ukGaj35ytIdl5OdDNSYp4GBzhfVlSK5PwX+kiI/dJ+8ZIGFLdlbJVS/yU1+liqPlexgbFpZt8X5wTY+7oWbuNmb4/snCi/juNVBzxwtaSDN1l0YxIaQ3eth5iZ6XA1L7/x7C5w== 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, 25 Mar 2024 14:41:12 +0100 David Hildenbrand wrote: > folio_is_secretmem() states that secretmem folios cannot be LRU folios: > so we may only exit early if we find an LRU folio. Yet, we exit early if > we find a folio that is not a secretmem folio. > > ... > > Cc: Thanks, I split up this series. Because this patch goes mm-hotfixes-unstable -> mm-hotfixes-stable -> mainline whereas the other two go mm-unstable -> mm-stable -> mainline at a later time.