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Fri, 28 Aug 2026 04:00:02 +0000 X-Mizu-Trace-ID: 293d25efb3c88b71 X-Migadu-Flow: FLOW_OUT Message-ID: <3cb41363-76e8-434b-add3-3cb4b83a6d9e@linux.dev> Date: Fri, 28 Aug 2026 11:59:47 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v3 22/37] mm/damon/sysfs: implement cpumask file under sample filter dir To: SeongJae Park Cc: Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20251208062943.68824-1-sj@kernel.org> <20251208062943.68824-23-sj@kernel.org> Content-Language: en-US From: Zenghui Yu In-Reply-To: <20251208062943.68824-23-sj@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: EC838A0009 X-Stat-Signature: wstay9m1boi1hfk7hyok4w6t4icfwwbw X-Rspam-User: X-HE-Tag: 1787889605-601910 X-HE-Meta: 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 lvELIOY4 Aosx6qS+JTOnfyRure9Acmi1Ys3I/lnK5lZMwKfYywrM0tqVpAkJx1LWfzRZDKr+YVpy9cm+3uJ9XRjUaLgkKs606WWO37KudbjGdlm0GDaR5mox6v5YTU6Slz0ibIoI4sUrxa+5POvSZYI3E/35zNKgQTx9HdtFv3DbA0fnjW2l6eVEyUoMAQ+cegSISmvU3FT1HMR2kCTYB3mBv0DJiXDqe+nw3b9yBYtxFpB41QqDtepKy8OarNBdbbYgfjSqBa5Feyqa4RZm2SaErUBAiJ4DR178YVvmN/Ga53Gc3jtm7aVM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 12/8/25 2:29 PM, SeongJae Park wrote: > The DAON sample filter directory has files for only common properties. DAMON > Add a file to further specify the CPUs to filter in or out. > > Signed-off-by: SeongJae Park > --- > mm/damon/sysfs.c | 41 +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > > diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c > index 74594e6e461c..d6b0b6513fd1 100644 > --- a/mm/damon/sysfs.c > +++ b/mm/damon/sysfs.c > @@ -758,6 +758,7 @@ struct damon_sysfs_sample_filter { > enum damon_sample_filter_type type; > bool matching; > bool allow; > + cpumask_t cpumask; > }; > > static struct damon_sysfs_sample_filter *damon_sysfs_sample_filter_alloc(void) > @@ -765,6 +766,19 @@ static struct damon_sysfs_sample_filter *damon_sysfs_sample_filter_alloc(void) > return kzalloc(sizeof(struct damon_sysfs_sample_filter), GFP_KERNEL); > } > > +struct damon_sysfs_sample_filter_type_name { > + enum damon_sample_filter_type type; > + char *name; > +}; > + > +static const struct damon_sysfs_sample_filter_type_name > +damon_sysfs_sample_filter_type_names[] = { Looks like this should be defined in patch #21. Thanks, Zenghui