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b=vIRKBuv5WBqU/qqpKjUdme0w+YS2LEgfmsgCK4Lc+5SDX+FXkkxf7rbr/MvTtWaPD EmvkcBNxKHYQhhc6HcwtrzP9bbULRIYLnG4qfL4qO04ygp+l8TjL+YhutTPAEUojPE j2oQ+fs1gDvMh5xOZQjfsHtnxb7BXrU2JT16NIt1FTlIZI73JJ9gxY71ym/FoFuNOk 1j9BnICgGGLcdSFED7u00pI4vIhAp+R6j7RFIwPcO1O5PTexJjfX0vmcTQu81TC/zw wXqc1TfEKeZ802eXczzzOZPdTflSuQH25kw4hjBIfNTz2aJnELyeBMfrnu2LJMILXk cr1yt31/6f3Bg== From: SeongJae Park To: Honggyu Kim Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, akpm@linux-foundation.org, apopple@nvidia.com, baolin.wang@linux.alibaba.com, dave.jiang@intel.com, hyeongtak.ji@sk.com, kernel_team@skhynix.com, linmiaohe@huawei.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, rakie.kim@sk.com, rostedt@goodmis.org, surenb@google.com, yangx.jy@fujitsu.com, ying.huang@intel.com, ziy@nvidia.com, 42.hyeyoo@gmail.com, art.jeongseob@gmail.com Subject: Re: [RFC PATCH v3 7/7] mm/damon: Add "damon_migrate_{hot,cold}" vmstat Date: Fri, 5 Apr 2024 12:27:21 -0700 Message-Id: <20240405192721.67119-1-sj@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240405060858.2818-8-honggyu.kim@sk.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 542FC20010 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: rfrqna4xam6ncudpphqt6gi33r3zgq1f X-HE-Tag: 1712345245-98181 X-HE-Meta: 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 +Vg629X8 w4q6qZtvmbWsMshOnxFLL76oWHL+yxGCloutZUor+GdunP8mwjhwjtKAgzm7IPihOQf829JL3Skrbn0U= 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, 5 Apr 2024 15:08:56 +0900 Honggyu Kim wrote: > This patch adds "damon_migrate_{hot,cold}" under node specific vmstat > counters at the following location. > > /sys/devices/system/node/node*/vmstat > > The counted values are accumulcated to the global vmstat so it also > introduces the same counter at /proc/vmstat as well. DAMON provides its own DAMOS stats via DAMON sysfs interface. Do we really need this change? Thanks, SJ [...]