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b=RxjfHOW+Vg5aAyAkoRLmLfFLeFLfW0yOcT6eSI7K7UtQT5USik5RcrTbpPwxSnbUS kkPN9aTKkyIvVTsggA+50SFOanNwEVZzmyDdqk6l8M+rnjvgpo4jvKDE5tKkff1AB/ LvRsM9VuE5RLpgy5KkyYS1UT0mPs7vk410m1VVvWFSCkApMlLKNbVJMZesPG4p1jUc Gvu7PuRHgmVKdCtLyg92jyJxDUceeyE5Kjl5kHRTiSjCwyA4ypAR/XY9gGAQ1rmJHM gf6EfEf6qm+j3oPPMXewDLBKhm257HZ+puYhKU++zW52EuIptJH/PvRZHolL4QVdkK a4m3CR9wN+qMQ== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2.1 14/28] mm/damon/sysfs: setup probes on DAMON core API parameters Date: Thu, 14 May 2026 07:08:47 -0700 Message-ID: <20260514140904.119781-15-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260514140904.119781-1-sj@kernel.org> References: <20260514140904.119781-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 91AEF40013 X-Stat-Signature: nesksionjf9m19ikjkda4yfohz8gsuuj X-Rspam-User: X-HE-Tag: 1778767763-503168 X-HE-Meta: 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 DF1nmg+q 19vyNSsXZBvNgeWxbmLVaNvO6fWXmWyWsKgzxOSk1raCyvB0JVUebEqa0YSivAIR6YSmAkggZY3IVH5lK3+KPoYOVIi59Mr+lVKT3cK2QPq7S9ExNi9/wPC/E9yaM/oJ6REtWV2Q2Yd1VRH1x4s23v3+s3KKN4Vea21+O231vfxqFxLf9mzdNSLVWIU6IiM5xo7fmPJqzBPN6lnFqZMJO7e6XPtd/iPxeW8wrvNAbjZ6Dr/M= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add user-installed data probes to DAMON core API parameters, so that user inputs for data probes are passed to DAMON core. Signed-off-by: SeongJae Park --- mm/damon/sysfs.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index ed7bb734a236b..e4dbf85feadc2 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1855,6 +1855,40 @@ static int damon_sysfs_set_attrs(struct damon_ctx *ctx, return damon_set_attrs(ctx, &attrs); } +static int damon_sysfs_set_probes(struct damon_ctx *ctx, + struct damon_sysfs_probes *sys_probes) +{ + int i; + + for (i = 0; i < sys_probes->nr; i++) { + struct damon_sysfs_filters *sys_filters = + sys_probes->probes_arr[i]->filters; + struct damon_probe *c; + int j; + + if (!sys_filters) + continue; + c = damon_new_probe(); + if (!c) + return -ENOMEM; + damon_add_probe(ctx, c); + + for (j = 0; j < sys_filters->nr; j++) { + struct damon_sysfs_filter *sys_filter = + sys_filters->filters_arr[j]; + struct damon_filter *filter; + + filter = damon_new_filter(sys_filter->type, + sys_filter->matching, + sys_filter->allow); + if (!filter) + return -ENOMEM; + damon_add_filter(c, filter); + } + } + return 0; +} + static int damon_sysfs_set_regions(struct damon_target *t, struct damon_sysfs_regions *sysfs_regions, unsigned long min_region_sz) @@ -1967,6 +2001,9 @@ static int damon_sysfs_apply_inputs(struct damon_ctx *ctx, DAMON_MIN_REGION_SZ / sys_ctx->addr_unit, 1); ctx->pause = sys_ctx->pause; err = damon_sysfs_set_attrs(ctx, sys_ctx->attrs); + if (err) + return err; + err = damon_sysfs_set_probes(ctx, sys_ctx->attrs->probes); if (err) return err; err = damon_sysfs_add_targets(ctx, sys_ctx->targets); -- 2.47.3