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b=UIDO0tcDxPmmcC8RlZqRNMtLv7u4CeIS7PaTzZD73oiYAflzD78CM142D4UMLlmTp KCrlFeBu5HkhGq68TEF6zp5sx/wmSkPsUBFFhraBS9YRLRO1n5ZdZet+VmQdYcIId0 cKYmFW2WVDKWytREBsqLW/fdxLCENXRYQsX/vEaohlWWwdaItHKjoDkfwxmt9O6XSu 9y6Ml9feKgYh5Iyc14B6nO0YktS3zu5dEPxxBDteUB9YP8dwazbWj/xy7CzGnDDSRI +RLFAFAsdhyq3vdck/ABRXW6XlPKRUUFcBQGCLXPe76+BLYWcECibEcP7e4hwEVQ+G +N5zAisWJh0dA== From: SeongJae Park To: Yunjeong Mun Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel_team@skhynix.com, Honggyu Kim Subject: Re: [PATCH] samples/damon: add parameters for node0 memory usage Date: Thu, 19 Jun 2025 09:46:36 -0700 Message-Id: <20250619164636.58743-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250619050313.1535-1-yunjeong.mun@sk.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 339C64000B X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: b7bgnzsxzda51fkp7mxbokzq9ah86u56 X-HE-Tag: 1750351600-506658 X-HE-Meta: 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 b0CklUso JjIcG1ZdVCv1IvQ62kG4kxJZCyIYASs36gIxUndvXmwNuox/QrEPRwiJHJufp5kUoSmRfAn21i/FY+obbo1n1VZQrTd5BVOLr1XsDYgeDFIdh8XkCzTob0jmBVkL3nASzo8ufntSYcyk4pGqhDOaSL8iS7z4kEO5iElZTTO1rGWr6ckePx3Mr7h1+NdtBguFpkU3CzKERj8EfpPliwF6lrJTc4uoxXsU0miKRXOeSSaDWs9viq8KfKvK7LhdcXVbOnZ0ZLAahMqfna+g2duR1A+rIzfMSJYUDx7t4 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 Thu, 19 Jun 2025 14:03:12 +0900 Yunjeong Mun wrote: > This patch changes the hard-coded quota goal metric values into sysfs > knobs: `node0_mem_used_bp` and `node0_mem_free_bp`. These knobs > represent the used and free memory ratio of node0 in basis points > (bp, where 1 bp = 0.01%). As mentioned in [1], this patch is developed > under the assumption that node0 is always the fast-tier in a two-tiers > memory setup. > > [1] https://lore.kernel.org/linux-mm/20250420194030.75838-8-sj@kernel.org/ Thank you for this patch. Please note that this is just a sample code, and hence there will be no strict user space compatibility support. > > Suggested-by: Honggyu Kim > Signed-off-by: Yunjeong Mun Reviewed-by: SeongJae Park Thanks, SJ [...]