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Tue, 1 Apr 2025 18:52:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id uCVZAeg17GeYNwAAD6G6ig (envelope-from ); Tue, 01 Apr 2025 18:52:24 +0000 Date: Tue, 1 Apr 2025 20:52:22 +0200 From: Oscar Salvador To: Gregory Price Cc: linux-mm@kvack.org, linux-acpi@vger.kernel.org, kernel-team@meta.com, x86@kernel.org, linux-kernel@vger.kernel.org, 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, david@redhat.com, gregkh@linuxfoundation.org, akpm@linux-foundation.org, dan.j.williams@intel.com, Jonathan.Cameron@huawei.com, alison.schofield@intel.com, rrichter@amd.com, rppt@kernel.org, bfaccini@nvidia.com, haibo1.xu@intel.com, dave.jiang@intel.com, Fan Ni , "Rafael J. Wysocki" , Ira Weiny Subject: Re: [PATCH v8 3/3] acpi,srat: give memory block size advice based on CFMWS alignment Message-ID: References: <20250127153405.3379117-1-gourry@gourry.net> <20250127153405.3379117-4-gourry@gourry.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250127153405.3379117-4-gourry@gourry.net> X-Rspamd-Queue-Id: E4F298000B X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: 5u4cxcaoq6sp1iiencu58zpkxou375iu X-HE-Tag: 1743533546-325024 X-HE-Meta: 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 +r4B5n90 YDt6F9YJ0UjBzKrOnVqhEUFVOI5ku6rnPnFZN5+HVoyVy+CXmdLPDFf/0F2utJ/D/CqnmCkYlH2cI+Dr29nbj32oZuDHQF8ww4WcuoguI9tJe8AU1v0EFknT+LwYT0YzYjODmtTiSX4mfkpvwb6MLywmnWqBMDZNwNsD+Ruui/ldlv7eu8RE16l+DAP5DcyUa/7PSIRvv6vtBwr6xzSdmEjcmxVQBJgRQjYH7dqsGWy3CxEgLmoR4BapmgOfkiF9cKonI5ePT4s+K6YCS4+EOuMynoAubW+8SJ63gJ6DPL6WunX1ze2VSYfv0rNNTS8xUgVnyXN8jgXSBZH93JKZ4/C9Jq5aFaOTqbLSef6ANzmMMWcdzfLMxgd8LwceEoJef1o2ls+ZauPmlxjDHKVPGlGs16Ew/yqGlkqyUz24rLB2ZVho= 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 Mon, Jan 27, 2025 at 10:34:05AM -0500, 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 > Acked-by: Mike Rapoport (Microsoft) > Acked-by: David Hildenbrand > Acked-by: Dan Williams > Tested-by: Fan Ni > Acked-by: Rafael J. Wysocki > Reviewed-by: Ira Weiny > Signed-off-by: Gregory Price Acked-by: Oscar Salvador -- Oscar Salvador SUSE Labs