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b=G73CbZDCMKUrbLz74C9Z7C8zuSKg/AfoA8WMBWCumKR7Qv9T3vcqsQ7sVZ2hTBDeC PmFOUcAJXDKQFxMWe+P2HbRHHvynJ8eWBYSr8+nRilaqVBK11MV/50QC7M2C0Fbboo Yo8alWdAVccYKHphkxE+6r+lgp2noo6o/aIpcBQRPfoM3CVyL7qoFHVqdV9qNWbKoM Ly3dF9X/Le8+Pi6Qwtg3Vc2Hh89FDwAIIOhbBB2ziZt+FOPkL+3jwm5uCIRGtXQQ2h WfVVLNP+C0wwqXnFiTRL3P/zRmbYm29D3n6hOUSOat1QXoLJTjvQgk2rHczq5egcb8 Hv0HZPNXfSctQ== From: SeongJae Park To: Quanmin Yan Cc: SeongJae Park , akpm@linux-foundation.org, damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, wangkefeng.wang@huawei.com, zuoze1@huawei.com Subject: Re: [PATCH v2 11/11] mm/damon: add damon_ctx->min_sz_region Date: Fri, 22 Aug 2025 10:19:32 -0700 Message-Id: <20250822171932.53804-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250822093420.2103803-12-yanquanmin1@huawei.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 3A74D1C0006 X-Stat-Signature: jtdjrgh3eweidt1grrnotnfr6ftnpfgu X-Rspam-User: X-HE-Tag: 1755883175-568661 X-HE-Meta: U2FsdGVkX1+PzkvrsPlVIB4tKgC9uUEBoQATpntz6a9JMkXrRmBsnt68oWFF2VLUZP4hVSko6bZomZpa7BXlYdhdZjzhywlhGqWz0H2Xnj3DviV1w02x3kDFdIy9QsFALYr9EwlMPJTv/wJvYekjE0N/ZB5YSGs71qeUMR4muYhnVXZ5AKkg6a7AXX13mS4lKhaHpDFVEcjBxKt0Pja9Wbm/mpVg5Lm6wZu9L9IKPTgiMnR0+moMbgc4BOBjrgiIG8Yc2nCQMzS9IzEn+2i+vPuaJvkGjGmDKNJ0JOZKs98VtG5822buNhXjneGEUpRcwKc2vHu3JpTLdDS6Q/Hki7XUHgznA4NtwrHT3ZvtsN0Kyw7JwFB60DqhIftFygtTLkoba47IIgcGoWErCT005JUmbUudEnw4prWzkfyz0GIHtMxUnFfAZ6JtmA5fBXzqIA2Zgg34tOXOjCSd3od+HGW3fMf7rX5LxKFyu3rRibg/FpBI+hnlH8Q2VGFUHZ4MppoObOoUyoaTfctCMoYo0dl5CY7TZK2XBsLxpwIzubQshcO3Rp/5J1H+bG9rUgqE+YL8gxfelQZhs8/Vju575MnXhNmQzSKxPi/ScaqN2g3nTqoIThZoVu/rbFbnYsdRv3Ra18nzFuxT7vRrRcB+N9R6MxOnVsLnnppKlESrL7nm3ea6bc+OOHBqZ4Fbea4xT1NAEcLSLFj83i3T8f9LwF+lieiCpvW/xY1/Xb9LGIcQ580tzQK4Sgv3qDyYGgGYqXhEnPzHyD+BLfMDnKX1mqgb5PW2dMciZq1YY2JMA1U9izNzDcFnFGcsquuKzrRL03kj6a5SGdX2HrmeoURTS7FIsIrE053ouaHIo0UwPN4fTrT3zOpqommK+a82R0OBNGQh+NrQKtsp7tu23b8vpaaZJqbsUX5ehsfzgAcA3mEvG/5xf0ib0CO0WMu9+b9fVzUyfXkhQ0IvXCdTKP8 FYCpB3oh +LTLi6ZFqr0XaLm6iqkxFS15qV5ts57+IWW6ZBNgDAsFx9yz24mVvkEgKZIRD2XX2drn+C6zK6Mx46Yg09m6kfGr2rpVTEg+AXchDML2YR8KeswXuXrG4K6zq+9O49rtBagj14LeertZdm5uNhwvr0OtUSF10hALl6KV/SRIexnCGMkSWWsW9p5OAMztDEntdVoga0Pa33jzRTHrNqbLFd4d8pUFRozLHsw1fNxQ5ksdh4VgtIJhk5DDMaeLK/Pool5czTLJcw7LE8UuBVPkPyBQIrDIndbVFMDigyNWYpjvsNew= 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 Fri, 22 Aug 2025 17:34:19 +0800 Quanmin Yan wrote: > Adopting addr_unit would make DAMON_MINREGION 'addr_unit * 4096' > bytes and cause data alignment issues[1]. > > Add damon_ctx->min_sz_region to change DAMON_MIN_REGION from a global > macro value to per-context variable. > > [1] https://lore.kernel.org/all/527714dd-0e33-43ab-bbbd-d89670ba79e7@huawei.com > > Signed-off-by: Quanmin Yan Reviewed-by: SeongJae Park Thanks, SJ [...]