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b=mMrJaNc5obR+wc2RR3OcLKqm69rsLWDFK6bfA0eWocu7BrA8V/7xryW3Mc4B+qLDu 5JBLSV2+2ltsQce+tKwdl+ant0L9sGGiPib+5ZK5bFW4bcIA/6sWYWFZp1hBkRFyyn Y9pGVDPepGtxkMwGQQRqnNguuupyxZJv/5xclJ031Z8YPEXspUhGFjblfgbKZzz+or fctc+1T+pHFDbX5Pt6/jgJoa0HwPJQGn/fSDj3v7gSh7QNtENZPryBvvNBO3abVksi xwlOsDswgk/Ze+cwtvwpDpcKss8EjX/G9q5/4cnsfbME6ta+C79dw7q/qaNShFOGxT 7/U+IUnvrkDjg== Date: Mon, 27 Jul 2026 13:40:48 +0300 From: Mike Rapoport To: Brendan Jackman Cc: Borislav Petkov , Dave Hansen , Peter Zijlstra , Andrew Morton , David Hildenbrand , Vlastimil Babka , Wei Xu , Johannes Weiner , Zi Yan , Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, x86@kernel.org, Sumit Garg , Will Deacon , rientjes@google.com, "Kalyazin, Nikita" , patrick.roy@linux.dev, "Itazuri, Takahiro" , Andy Lutomirski , David Kaplan , Thomas Gleixner , Yosry Ahmed , Patrick Bellasi , Reiji Watanabe , Sean Christopherson , Nikita Kalyazin , Ackerley Tng Subject: Re: [PATCH v3 02/26] mm/secretmem: make use of folio_{zap,restore}_direct_map Message-ID: References: <20260726-page_alloc-unmapped-v3-0-6f5729aa9832@google.com> <20260726-page_alloc-unmapped-v3-2-6f5729aa9832@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260726-page_alloc-unmapped-v3-2-6f5729aa9832@google.com> X-Rspamd-Queue-Id: 9684B1C0010 X-Rspam-User: X-Stat-Signature: hj7c9eiqqgm1uppadpfryucjndw7fpkd X-Rspamd-Server: rspam04 X-HE-Tag: 1785148861-613592 X-HE-Meta: U2FsdGVkX1+IUaIftyFNexrhMK+fGKY1POEYxnLdJsUE+GZPIkoytpubSbbHRnh7Tr2dej9F40LrvRiOsK6Wia9jsmqCSmgbnOjbryj6z85T4Riw7p2JJ188bT1+M8J587qK08UvQsvM+gb86gsYVMwtn2TUeYjW0gXkizZl+7iV2CrhoUg7XmWCUdjHYLm1rWbN63tX5t2BwedzE2ceIaMOkqslMegnoRJAvdAatC+GIzDG76wxZa9cvHjZCD9Fq7sOpyYuL0ZjhrPlfHosoB0wur+PHchsiUKP0NPxRZARNaLThXmS71Gf/by3wMrhGXbURUKgrkSDEehbeI3Ee1QW6qCnlJDID1wIEDf/GDwcyXHFfCL9gnJ5LWsl8OVF6ZXCFWgpuc1N6kDhx0NLgrzn+NTj1A4lHCsyV8hf6NO9r5o8ZJJbF1JNXLccvgJ6bBDMSk1TNhfCMuoPcetQ10DiJMVmapbuwRMwYDZwnyadgTCuB0cRJSkQjN8x/WwYbHaH5nSTSX3Nvq/MUKWae1CBfnHoJifTfa6Zfi1RYy/peHF0U1MnafGFqy0fckfidhIsY6Wci1GSgBYW8MYgJNhag6PAh28D+aDhK0b9cT9yta4DibslKxtZXJlOX1Giw8MWReflKONYpt8SIpYZvwfjyq5YcKtiAEX2UE9hixajL2wYTZhON9+dDtjdbWN+W91vonRxTdUO18dX05HxR9zhOxHZRBpUbtgqE+ycqg9+waay/BkuVPphI8enmuyViR4kocLuy2SyEjjIFQcvUOcMEiIPziNST5dceWBiC4ZcJHfLo2ujvMUctFDkshhi4fFLgMpQDeWrcxcYgcY+ssAKl/RIvZmanfcfbRHW2ogs7CH42FSEPJxlTYuzJu+/zcJyTiMNlIYvbfGMzcqjPN+m9ly9t5ApJcxLdSwq+6Esqx0DHpBGjdQB912fDVlo64sbvJYuAoWUdLvcfex Mg4yJUlT IB/Fc+j6/VRyV19SNV4T5ra8+5O3z5NmCVx3/om+dUxX2UYSQdk088RYkSGa5SS9r5wbIP85LXl2BuETFmrk8spjYD4/2mbWuW9xV8ni33G7PeIFBsWIUiOFaIZ4+LHYXEcxG43/gEWmxgtPF6KxZkT4wWW8I+EmNg63+PCeA/1uxx5IfecslibWNlp3fBoxbulfGSck0TsZcW4ajK452cm9cXNHVnaiMuefL5FD1YXzxz5RsYJRu1XaKmbawaX9EmeL2AogQzVMiLt8PPsGVwI4ldk7n7YLeIuCZBo7V30UMO5Aiv3S46hJq3pSrAbdut3sD6r4N+ZZR9K9rgLUarlBB+KwD2sq/lB5p Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, Jul 26, 2026 at 10:22:35PM +0000, Brendan Jackman wrote: > From: Nikita Kalyazin > > Replace set_direct_map_*_noflush with newly available > folio_zap_direct_map calls that take folio's address internally. A side > effect is even if filemap_add_folio fails, the TLB is still flushed, > which is not expected to be on the hot path. > > Acked-by: David Hildenbrand (Arm) > Reviewed-by: Ackerley Tng > Signed-off-by: Nikita Kalyazin > Signed-off-by: Brendan Jackman Reviewed-by: Mike Rapoport (Microsoft) > --- > mm/secretmem.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) -- Sincerely yours, Mike.