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[96.255.20.138]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8c0973f0807sm3189752185a.41.2026.01.02.08.29.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jan 2026 08:29:07 -0800 (PST) Date: Fri, 2 Jan 2026 11:28:32 -0500 From: Gregory Price To: Igor Mammedov Cc: fanhuang , qemu-devel@nongnu.org, david@redhat.com, jonathan.cameron@huawei.com, Zhigang.Luo@amd.com, Lianjie.Shi@amd.com Subject: Re: [PATCH v4 0/1] numa: add 'spm' option for Specific Purpose Memory Message-ID: References: <20251209093841.2250527-1-FangSheng.Huang@amd.com> <20260102140922.456f599e@imammedo-mac> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260102140922.456f599e@imammedo-mac> Received-SPF: pass client-ip=2607:f8b0:4864:20::736; envelope-from=gourry@gourry.net; helo=mail-qk1-x736.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, Jan 02, 2026 at 02:09:22PM +0100, Igor Mammedov wrote: > That will let us later to have mixed memory on the node We were just discussing strongly-dissuading such a configuration from a linux perspective, even if it's technically allowed. If only because it makes reasoning about placement policy on such a node completely impossible. ~Gregory