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b=WqAbhuCZYwRVTcA7zp+bkbgr+8Gico9Vyk+HnlFgYCZbFgcBnMGkWw7OE4gec/taI qk9sHLP4yHjyMl5aMfY6HcjTMVJ+i7WCQ+h0D7c8YpjhCA8JDWd6HIDEYPoaryWMc9 R6FC/G/Nj6uOjZFpmrn03B8wVLPZR1Ve5H0790rxg9RpwNwlKi0y05IC7ErImmCQDL OpEXOVx/RPSq3+xkoF5JjTzX7U8sZekzRO11/s+OW8d7/cdw8kLVFA+R7FZKAaRN33 9uAfmNXJOlpMgOiJJy3qbaTtlDDFCLlwqORZ55aWzwr+7wvQapV/H08MzzKQ6j+QJS 1beloxFlWaGpA== 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 v2.2 14/28] mm/damon/sysfs: setup probes on DAMON core API parameters Date: Thu, 14 May 2026 17:44:15 -0700 Message-ID: <20260515004433.128933-15-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260515004433.128933-1-sj@kernel.org> References: <20260515004433.128933-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 8irorwc3j1y9tyfco95xzrzcq3cuedt3 X-Rspam-User: X-Rspamd-Queue-Id: 22BC040004 X-Rspamd-Server: rspam07 X-HE-Tag: 1778806462-668702 X-HE-Meta: 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 r0a+g+HT ams28AlR6BlV4lWRYzdBOwbfFpe9PsGzxCO0e3dVMJs9VBKRYXb8OlsYgRjpqP9QWW9l4Tql9qFIa8GCJf1vFkvFW7zQJxUSm8sSOxt1x3CjTdNDHs81xySgqdiChmsW+HPAo59L5dwdziCKfGDBW1YpkVdeK5bjJlRUVhdZiAigWulD7YNx788lfHhcOeYe61rqGk8Edjzl1ZMNf78OwRpa/FKy+M6A05Gp3rttcH3uLkds= 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 dd520e39d3602..c2c172aeae149 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1825,6 +1825,40 @@ 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) @@ -1936,6 +1970,9 @@ static int damon_sysfs_apply_inputs(struct damon_ctx *ctx, ctx->min_region_sz = max( DAMON_MIN_REGION_SZ / sys_ctx->addr_unit, 1); 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