From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8567233F8C3; Sat, 16 May 2026 18:37:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778956649; cv=none; b=VQCFuNs4v5dVXUz1MKUskjNdkj7g7dUsotdCAGvCzC8M1R7As0sCOzepKgaxFkd2ngfI3LYu6Ldlgo5rCrVcFy6cSIApC9cnmLcAz12u7Bx5+8uqRWepXJHxK59s+fdy7V9gqxokLKudxjXeHdSmAhWoQA9eWN84xEnNAzsTxJk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778956649; c=relaxed/simple; bh=YQ/bQKvFB6FRBUR2JrGvHQEa09kCyYCD7LjEDEyXhiU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nKzZgcm5jtW4rBVNwGl/6TwZCnqKx8lRRrnfZ/0fwYaQ9qFbIxZgFmN/anxmx+gMgEy7YNJrTns1pg8HSImTqq0ZH82yr+3WUAcXSiI3qjNBo3oIUiPuf3OsZPYr56w6LkYFJLl67vHPVSTI7NlFH1J+kinLDUIndjKOnpPL3fE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TOKV989N; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TOKV989N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3707AC19425; Sat, 16 May 2026 18:37:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778956649; bh=YQ/bQKvFB6FRBUR2JrGvHQEa09kCyYCD7LjEDEyXhiU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TOKV989ND2cKNdGxP5PDsmVUlhDxYOfvNwWeKyweVV/m1LOK2+iouQjtCeLZcTL9u ckuzNLAI+z6eKtXX1s6ATxZwKdlzfq0zOs5whRXO7SHV1q9+aNHd5U5Xeny3VLLYLt 1Y+QpEATiGsLtsCp1aSnFTRvP7qRrhnI260X+/s6MlMuZP4s+NFRkWGpO0chmYfWN3 FSCONfhKCZh+OLLo+EczCkZODe+PESe+HJS/QIdMj5E8UVUiNU3eADWgALGR8bpHKH d2QeoUMjkVFe1gVy9ti1oI9p1xwZXWhylxFGMXGfa/Ue8+D4A1nYjjT0A/3SqtVTpH KWNN7xmbPbBWA== 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 v3 14/28] mm/damon/sysfs: setup probes on DAMON core API parameters Date: Sat, 16 May 2026 11:36:55 -0700 Message-ID: <20260516183712.81393-15-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260516183712.81393-1-sj@kernel.org> References: <20260516183712.81393-1-sj@kernel.org> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 35a4fa5c530f5..f1b7d79386866 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