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([2a09:80c0:192:0:5dac:bf3d:c41:c3e7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-381c113de0esm12664081f8f.85.2024.11.04.01.11.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Nov 2024 01:11:33 -0800 (PST) Message-ID: <3700141f-e12f-4a58-8e36-5f95ef500d8b@redhat.com> Date: Mon, 4 Nov 2024 10:11:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 3/3] acpi,srat: give memory block size advice based on CFMWS alignment To: Gregory Price , x86@kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org Cc: linux-cxl@vger.kernel.org, Jonathan.Cameron@huawei.com, dan.j.williams@intel.com, rrichter@amd.com, Terry.Bowman@amd.com, dave.jiang@intel.com, ira.weiny@intel.com, alison.schofield@intel.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, rafael@kernel.org, lenb@kernel.org, osalvador@suse.de, gregkh@linuxfoundation.org, akpm@linux-foundation.org, rppt@kernel.org References: <20241101134706.1185-1-gourry@gourry.net> <20241101134706.1185-4-gourry@gourry.net> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: h77x8jjr4bt54n4odwjznwmza5tq7jcm X-Rspamd-Queue-Id: 1DE004001A X-Rspamd-Server: rspam08 X-Rspam-User: X-HE-Tag: 1730711482-552781 X-HE-Meta: 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 PKu3v942 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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 01.11.24 14:47, Gregory Price wrote: > Capacity is stranded when CFMWS regions are not aligned to block size. > On x86, block size increases with capacity (2G blocks @ 64G capacity). > > Use CFMWS base/size to report memory block size alignment advice. > > Suggested-by: Dan Williams > Signed-off-by: Gregory Price > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb