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Howlett" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Axel Rasmussen , Vlastimil Babka , James Houghton , Nikita Kalyazin , David Hildenbrand , Lorenzo Stoakes , Ujwal Kundur , Mike Rapoport , Andrew Morton , Andrea Arcangeli , Michal Hocko , Muchun Song , Oscar Salvador , Hugh Dickins , Suren Baghdasaryan Subject: Re: [PATCH v3 0/4] mm/userfaultfd: modulize memory types Message-ID: References: <20250926211650.525109-1-peterx@redhat.com> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: TASSTzfG_Wk6xuma4CeuLDlnawF0gGBhm5_Oc7QNFkc_1759265113 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Stat-Signature: cp3i5rn7zzhrshfcn7x3uym7fqtrw6wz X-Rspam-User: X-Rspamd-Queue-Id: 361DFA0003 X-Rspamd-Server: rspam10 X-HE-Tag: 1759265116-201704 X-HE-Meta: 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 58sON8ZO 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 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 Tue, Sep 30, 2025 at 03:49:34PM -0400, Liam R. Howlett wrote: > * Peter Xu [250926 17:17]: > > [based on latest akpm/mm-new of Sep 26th, commit e612c80ae0aeb] > > > > v3 changelog: > > - Fixed checkpatch issues on spaces or typedef > > - Dropped uffd_copy() API > > - Refined commit messages here and there to reflect the removal of uffd_copy() > > > > v1: https://lore.kernel.org/r/20250620190342.1780170-1-peterx@redhat.com > > v2: https://lore.kernel.org/r/20250627154655.2085903-1-peterx@redhat.com > > > > This series is an alternative proposal of what Nikita proposed here on the > > initial three patches: > > > > https://lore.kernel.org/r/20250404154352.23078-1-kalyazin@amazon.com > > > > This is not yet relevant to any guest-memfd support, but paving way for it. > > It would be much easier to review this with the guest-memfd support in > this patch set. Any chance of including the target user? It should be something like what Nikita posted previously here against v1: https://lore.kernel.org/all/114133f5-0282-463d-9d65-3143aa658806@amazon.com/ I'll add the link into the cover letter when I repost. That formal patch logically will need to be reviewed from KVM side after this patch lands. Thanks, -- Peter Xu