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b=O5PV0WQplgApZUAP8P3zsx3fG9hdsKeQOVFacyaqZxuzwEUGWqGJ9aSbLK7p4/hdj LZG8/NBLtDhyONdpFRdaTYRxYYdMGzzYAXjUEJyv0i/gQxD1C/+9iY+Inq4Dn7xsh9 WQL4Z4pkWWz1lU6dW2rgq+F/wKx1v5wDCNHzaN2pNni+GBeOZG6Y2JSXSPNmh3Vc73 vk0Mcz/0gZrWptgEm6tMGqJb7ZptqvjfGZHNlpJX41vFaOvVf6+CXd8FM/YKjdVgoM TLHnvXIeIjpeDcPlyFTGMQNBX0415m5SIA8yuVKppQB9nYw0wIiCHf0K7R51rwbpS+ I2PBSBBflzkpw== From: SeongJae Park To: SeongJae Park Cc: Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH 03/19] mm/damon/core: introduce damon_filter Date: Sat, 9 May 2026 11:11:30 -0700 Message-ID: <20260509181130.90203-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260426205222.93895-4-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 6DB77120004 X-Rspamd-Server: rspam06 X-Stat-Signature: fr8zrahzpbxpyo44fjwthbjt1k9en59u X-HE-Tag: 1778350299-956093 X-HE-Meta: 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 mX+5E2m3 kCG2FzevaJAIoHnZRWRcu+9TI1keYH4yf5yYb7LRX0Y1qTxi1gpiwLdD/jZeCfRn7+ELsVZIR3uSJkJQgFY4/nio3j70Q2pXiD9H54LZrsIs982mDNzdRBEfGF3zbrRkJJZIfRpliiDGIpbix1h41KM6lABAFHU0NX4oSRTMbXR6u0igv2U/d3hmvYD+itE9cZmlhxvdwOzL1mIK/kvj8hNuQ1NRl5FUAvhs5ZiUWob7yWX4EjfLb50XvLIqyQBwZq6ZNqFIdNYNXeoeOyeo4qWuC2g== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, 26 Apr 2026 13:52:04 -0700 SeongJae Park wrote: > Define a data structure for constructing damon_probe's attributes check, > namely damon_filter. It is very similar to damos_filter but works only > for monitoring purposes. Also embed that into damon_probe, implement > essential handling of the link, with fundamental helpers. > > Signed-off-by: SeongJae Park > --- > include/linux/damon.h | 36 ++++++++++++++++++++++++++++++++++++ > mm/damon/core.c | 30 ++++++++++++++++++++++++++++++ > 2 files changed, 66 insertions(+) > > diff --git a/include/linux/damon.h b/include/linux/damon.h > index 65d7ee0a70ac0..3290792eab547 100644 > --- a/include/linux/damon.h > +++ b/include/linux/damon.h > @@ -732,12 +732,38 @@ struct damon_intervals_goal { > unsigned long max_sample_us; > }; > > +/** > + * enum damon_filter_type - Type of &struct damon_filter > + * > + * @DAMON_TEST_TYPE_ANON: Anonymous pages. > + */ > +enum damon_filter_type { > + DAMON_TEST_TYPE_ANON, I initially named it damon_filter, renamed to damon_test, and then returned to damon_filter. This weird name (DAMON_*TEST*_TYPE_ANON) is showing what I forgot reverting while the final renaming. I will rename this to DAMON_FILTER_TYPE_ANON in the next revision of this patch. Thanks, SJ [...]