From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8D6AF3B3895; Tue, 28 Jul 2026 05:28:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785216500; cv=none; b=YIMKGpt1hfmajJdo2hgfEz3ZjGs0Cjz1GlMpl27RZ5iMA0v8nFUF1zP/j0Eu/M2nTCQNkkj5IKkWwpWMnfSV5wqgjALUguURmuuNRnSA/i186LC4egN0k4Zw4INkmtzrrZtuFGmVunaPouRBdj/nZ13JwRhp+4zHswCBOUISwCo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785216500; c=relaxed/simple; bh=Ph4tfwVfbDdj+VSVpAPJTNe1BWDH3/wXUYB+lenMBpM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JiY52UUzGtKqwald2npZFjysyutHREvIDtL39H2hhBxY18D63LqlbCevMT6f20OphPDbhxLgzIgYNgb/hIT5il00wO08JzZLb9ASKAQrqiakG9ht3HUh7NJw+lydsuQg5xKVg1m+7khahG+Ad3mw2UrSOhKQPMOaAe7KwK+3ROw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V2dGFUnX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V2dGFUnX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E72131F00ACA; Tue, 28 Jul 2026 05:28:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785216498; bh=69vkU0D1ZC9y76VW8fWIr/5QR0D00VAs0a00zXjnW44=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=V2dGFUnX32iH54X59LjRu3KD43H08ytdjfiq+W5IUFp+yIkbUrYs1F2dfRnIE8BRQ Iu52W7c30k2K/2h5/Xh4ad7jBJutRyAtzYrrZr8zlSzC95R6NQ9o/FOs4mp56nnIw5 B7oYHEj2YhBHmZoJcN0Q88Dzzu0+CpeKBSI8z9J3UqJQ/6JQ2jkKens0bs+0JktGRl 7clUKJP6ZebDV3pHXLd9+V9AP2sHhWkuSS/ELDpki0GFjQyQWfp4n36Z7vWW/OAlwo utdNUJ+RcKkr40FZ/BjP+1R6sseXmqBZbKhEzOyCJRhWE4RdngTUCA2nzBCVJynYA7 8/QKsaoI7XWQQ== From: SJ Park To: Cc: SJ Park , Andrew Morton , Brendan Higgins , David Gow , damon@lists.linux.dev, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 06/10] mm/damon/tests/core-kunit: test overlapping ranges for set_regions() Date: Mon, 27 Jul 2026 22:28:05 -0700 Message-ID: <20260728052811.192712-7-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260728052811.192712-1-sj@kernel.org> References: <20260728052811.192712-1-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 Commit 954157679ec3 ("mm/damon/core: disallow overlapping input ranges for damon_set_regions()") disallowed passing overlapping input ranges to damon_set_regions(). Add a kunit test case for the overlapping input. Signed-off-by: SJ Park --- mm/damon/tests/core-kunit.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h index ac15393a7935b..3041b8288ec26 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -606,6 +606,17 @@ static void damon_test_set_regions(struct kunit *test) {.start = 42, .end = 21}, }, 1, 1, (struct damon_addr_range[]){}, 0, -EINVAL); + /* + * Regions resulting in same region after alingment should return + * -EINVAL. + */ + damon_test_set_regions_for(test, + (struct damon_addr_range[]){}, 0, + (struct damon_addr_range[]){ + {.start = 10, .end = 20}, + {.start = 20, .end = 30}, + }, 2, 4096, + (struct damon_addr_range[]){}, 0, -EINVAL); } static void damon_test_update_monitoring_result(struct kunit *test) -- 2.47.3