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Tue, 02 Jun 2026 14:26:41 -0700 (PDT) From: Askar Safin To: devnull+ackerleytng.google.com@kernel.org Cc: ackerleytng@google.com, aik@amd.com, akpm@linux-foundation.org, andrew.jones@linux.dev, aneesh.kumar@kernel.org, axelrasmussen@google.com, baohua@kernel.org, bhe@redhat.com, binbin.wu@linux.intel.com, bp@alien8.de, brauner@kernel.org, chao.p.peng@linux.intel.com, chrisl@kernel.org, corbet@lwn.net, dave.hansen@linux.intel.com, david@kernel.org, forkloop@google.com, hpa@zytor.com, ira.weiny@intel.com, jgg@ziepe.ca, jmattson@google.com, jthoughton@google.com, kas@kernel.org, kasong@tencent.com, kvm@vger.kernel.org, liam@infradead.org, linux-coco@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, michael.roth@amd.com, mingo@redhat.com, nphamcs@gmail.com, oupton@kernel.org, pankaj.gupta@amd.com, pbonzini@redhat.com, pratyush@kernel.org, qi.zheng@linux.dev, qperret@google.com, rick.p.edgecombe@intel.com, rientjes@google.com, rostedt@goodmis.org, seanjc@google.com, shakeel.butt@linux.dev, shikemeng@huaweicloud.com, shivankg@amd.com, shuah@kernel.org, skhan@linuxfoundation.org, steven.price@arm.com, suzuki.poulose@arm.com, tabba@google.com, tglx@kernel.org, vannapurve@google.com, vbabka@kernel.org, weixugc@google.com, willy@infradead.org, wyihan@google.com, x86@kernel.org, yan.y.zhao@intel.com, youngjun.park@lge.com, yuanchu@google.com Subject: Re: [PATCH v7 34/42] KVM: selftests: Test conversion with elevated page refcount Date: Wed, 3 Jun 2026 00:26:30 +0300 Message-ID: <20260602212630.27012-1-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260522-gmem-inplace-conversion-v7-34-2f0fae496530@google.com> References: <20260522-gmem-inplace-conversion-v7-34-2f0fae496530@google.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Ackerley Tng via B4 Relay : > This test uses vmsplice to increment the refcount of a specific page I recently submitted a patch, which makes vmsplice equivalent to preadv2/pwritev2, and it was accepted to next. For now it is just an experiment, it is possible it will be reverted. https://lore.kernel.org/all/20260601-aufweichen-dissens-ausrechnen-0d9b84728113@brauner/ -- Askar Safin