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b=k69pYvMOzsrsmR4jLapNJ5v4CeoZX4SiXjMJhQEUH+Qd3SuDCphRWhCc8no7lf2wv MT0M62d9y8M1lVmy+wJAlCfVd7i2yx8d5JqjgxcNmErtfb/Hpk36DLqNBqMMeTqkwy xme/o4kzc5vvYchHn1tfJFWi3NKDxiIZxgayftQhQ3oK3xsXhpOBgAt6bgW5BvgUXH m9JQpZZcFT05fY9YIw04oHbAtp1RZ/zrBnF0hC+3S2jH3ilDFF1M99qXrMwcue2ihF RCpaTgzGgeqXeIqHb73ODX8161eCMsAADD/3l4zoHb/TeTW0mXOHzAKMjWH/BcMP/V IrTzrx85T9gvw== From: SeongJae Park To: Usama Arif Cc: SeongJae Park , akpm@linux-foundation.org, damon@lists.linux.dev, linux-mm@kvack.org Subject: Re: [v2] mm/damon/paddr: increment pa_stat damon address range by folio size Date: Mon, 13 Jan 2025 11:27:38 -0800 Message-Id: <20250113192738.23408-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250113190738.1156381-1-usamaarif642@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Stat-Signature: t3c9ircjxfx78omcqbxj3in4msj7kkx8 X-Rspamd-Queue-Id: 3B79CC0010 X-Rspam-User: X-HE-Tag: 1736796462-851694 X-HE-Meta: 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 9CFvRRKB +8XRps3MKsrZiBK+yDmt2FTKgR6POQfc4giHiIwp9ECGKCe1U2FTJyzsOL7af82qBktISfkw8wW+QKoIPS+rmnJS6x56wLvAYoMOp58J0n9XgSWvdhQdimGCmxbIGwLK8nIQx8MNBhgiXUkHUPTHKQKueBRBYYBvwkYOZKttIOZclM+jBm+zDXQJcWlCGAkhEzdPeGdS+0W4l3HTi3MkB7t+U76/UhP2tflZ09P7g3SN/xkWhm+AXgwPygaIbo1IHsc8W5uKpBwwYxo/BYGzi6ZMFxXueWqKh9+NkHW4vajbZ68RpitBCXC1kuEMfPyLMCAy1 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, 13 Jan 2025 19:07:38 +0000 Usama Arif wrote: > This is to avoid going through all the pages in a folio. > For folio_size > PAGE_SIZE, damon_get_folio will return NULL > for tail pages, so the for loop in those instances will be a > nop. Have a more efficient loop by just incrementing the > address by folio_size. Thank you for this nice patch, Usama! > > Signed-off-by: Usama Arif Reviewed-by: SeongJae Park Thanks, SJ [...]