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From: "Brendan Jackman" To: "Brendan Jackman" , "Vlastimil Babka (SUSE)" , "Matthew Wilcox" Cc: "Brendan Jackman" , "Andrew Morton" , "David Hildenbrand" , "Lorenzo Stoakes" , "Liam R. Howlett" , "Mike Rapoport" , "Suren Baghdasaryan" , "Michal Hocko" , "Johannes Weiner" , "Zi Yan" , "Jan Kara" , "Joshua Hahn" , "Byungchul Park" , "Gregory Price" , "Ying Huang" , "Alistair Popple" , "Hugh Dickins" , "Baolin Wang" , "Chris Li" , "Kairui Song" , "Kemeng Shi" , "Nhat Pham" , "Baoquan He" , "Barry Song" , "Youngjun Park" , "Joerg Roedel (AMD)" , "Will Deacon" , "Robin Murphy" , "Huacai Chen" , "WANG Xuerui" , "Thomas Gleixner" , "Chuck Lever" , "Jeff Layton" , "NeilBrown" , "Olga Kornievskaia" , "Dai Ngo" , "Tom Talpey" , "Trond Myklebust" , "Anna Schumaker" , "David S. Miller" , "Eric Dumazet" , "Jakub Kicinski" , "Paolo Abeni" , "Simon Horman" , , , , , , , References: <20260716-folio-alloc-cleanups-v1-0-5363b8e92d33@google.com> <20260716-folio-alloc-cleanups-v1-1-5363b8e92d33@google.com> <51810eba-2a60-49f9-b879-7f806546e600@kernel.org> In-Reply-To: X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 7504F40005 X-Rspam-User: X-Stat-Signature: zop1h6j9rwg6mhmtfi7gxa8n8woo9dif X-Rspamd-Server: rspam04 X-HE-Tag: 1785325845-961212 X-HE-Meta: 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 t10ksBGy xO5Xl8bCsnZ0Ju+x55TQBemgTbdwc33j3Wlif2iR1mkqAGafl0j9n+dD9FsyDCNlya0qov9Mi4A4f2ZXAqUHR2qK8z7X4WKmqwPLj6o41YF23rTyHN98JQ2N4wxpB8kajJ0rbT11ZEx3uU6iQUSMxCp/XR6BMSzzhVd7IbGi+MZ5f4waXJjOSrGPJszRGjXrnid+Clp2CImi+9aZf2agI4l85lDeH6vBZCeg42keaSjHHlZAB9Z952oSsicPXy+NPcNbCYM9TDxGIQ/hPPyR2u+Pk04fRBN1mALCXEbyqFBJ4sZOn+boVWjwzhrp+8x2xsWv7CDxFHmpc1lTMW+BrsZymTgeMvhpXdZKdTZbaVDX6eu4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed Jul 22, 2026 at 3:15 PM UTC, Brendan Jackman wrote: ... >>> We have a long history of people just moving stuff around in patches >>> without knowing what the intent was if it should be moved. >> >> I guess this patch is not critical to the rest, if that's an issue. > > Well, for ALLOC_UNMAPPED we really do need an alloc_flags arg for this > function, but we can always just go straight to what I described above. > I.e. I can create the __ variant + wrapper from the start. It's just a > question of whether we prefer: > > - "Yuck, there's a public wrapper here that we don't actually need", or > > - "We hid this mempolicy API and people might think we'd NACK a patch to > un-hide it".0 > > https://lore.kernel.org/all/20260703-alloc-trylock-v5-2-c87b714e19d3@go= ogle.com/ Uh yeah so in v3 I did not depend on this patch, I just went straight to creating __folio_alloc_mpol_noprof() here: https://lore.kernel.org/all/20260726-page_alloc-unmapped-v3-25-6f5729aa9832= @google.com/ So yeah I'd say we can just drop this controversial patch and move forwards with the other two?