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 EA78F3C4165; Thu, 14 May 2026 14:09:22 +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=1778767763; cv=none; b=o5Qi9eO4ov/r2Ql0Dh857QnEHXJFD/6VHOBLthFlufCYvLN2xKd+9fHDZf68L8jCBaaY+ULAASfWACjYgZSGNAdS6X2PV8yDh6rtVlasIPUg2mG0QKYRBdR6dxcecPwjmxUlY894X0dIBMJudG917gEZPwrQqF4mYYjYwA2z2ig= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778767763; c=relaxed/simple; bh=zKIsD2XzT0n1kqH382+eAnv1kjGpY3pJ2uKfaHDPajo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LQCLHZC2QdQpTi18mTI9SOeU1HXkHChOAbWEy1bPvLknGSeSKVH6Ay9DV48XG3qPyUFyIK8pNcIHvUglsKt4yaldEtk1Sv8da6HGUIYKogHodasBEhTamlcK1b5MN7+mH0WE/dFyiSIEwZpWkZd1ZHm7Tn3ZE9Iy385xboWKr78= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RxjfHOW+; 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="RxjfHOW+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3FBAC4AF09; Thu, 14 May 2026 14:09:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778767762; bh=zKIsD2XzT0n1kqH382+eAnv1kjGpY3pJ2uKfaHDPajo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; 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> 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