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 DD8213C2BB9; Tue, 12 May 2026 14:37:02 +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=1778596623; cv=none; b=eA5br2uy7Tk8IAxI6lGnoT9Nw2Vb8m2c2LWYrVLGJ8XcAZc2g5k8Eq0nHhjCZCkx8Hm/4C60g46JD8g+R5JxptqfZixFV8915jTq8jOhREcHg1PzA4HGm38AuLxm0GCCyeIKTWSO8hp6aAttDaH0JpDIL3R5wy2t/c7ZO8LDgmw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778596623; c=relaxed/simple; bh=zKIsD2XzT0n1kqH382+eAnv1kjGpY3pJ2uKfaHDPajo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=E1b4vSZ2NGBcK9bT542LiB2LvFLYK8D1F4xheesSJdfNDR1wbRDgh16T5u/GXX2d6X0aQF5+EKXO76CQSdgGP0NkNMD73ShxxkflKayGMpEh5eEhv2WxFZ8DRAG9tkykAsJXHNJjX/Lfz2yr+TlaAujBvzmxJ6tBGS11tr3gnDM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kkxKTfbE; 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="kkxKTfbE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94E30C2BD04; Tue, 12 May 2026 14:37:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778596622; bh=zKIsD2XzT0n1kqH382+eAnv1kjGpY3pJ2uKfaHDPajo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kkxKTfbEGdR12BcEFjd8QaEFjwCBGpqhwHJ+e0n6xuObobVTgDrPTD+XrPEY7ZG9I wC4T98O4CwDSXie8I8b9AdXv1C7wq2iKFzjRHfgJiThE3yX/m0hSAodjE64xRePwWO Nvi4ZvHGS6Puu31DfzmilaD2i80BAkr6GlA3odf0o7sw8pC8qjxJY7fcb2nzN3koAs OuJrVx+tRwUDFCvu0fjeh4oPDrfiU+d8c90aIS+3Gt6ie/rJ65kZBXqa1ZWns/7lYv oWVHJb8QGkouXMZr10Ak1SsGXvHMC8CYcYRyCw9Rk3fzVXk1MKHan5FxaxSouVpRH8 7l117rTFnQoZQ== 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 14/28] mm/damon/sysfs: setup probes on DAMON core API parameters Date: Tue, 12 May 2026 07:36:29 -0700 Message-ID: <20260512143645.113201-15-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260512143645.113201-1-sj@kernel.org> References: <20260512143645.113201-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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 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