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 B887738DC53; Wed, 2 Sep 2026 05:47:57 +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=1788328079; cv=none; b=NQqc9Qa2f9eC5Xf6Oy1AhOMyb0KBRsN3lI7XLDSSt7ouFlaYWRlFaNW5JsfUnHeTwD9Ebt7oByCldCQg5576WiSt9RhUEYJG5HdkyzVTt+n1uTmyy8fDd7suOstqZ3d0LF4I3NA1onFHvnqrznhxwc0f4e6Q+wG+ZlD9jBfF/O0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788328079; c=relaxed/simple; bh=bhY4KhIyu4gwy+axujpyt57DuX8kkNxrt1KBoU8TmQo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LWkml9wue9SeCRLsC9EBq25q20t1+yS4YdNYJ5YaJ3h9EG4oUPw3y9IR5b/8IuVzysuurk1/fubC8hcRRleVMwY3sivk1JLeKYe9DhSVf9dt6WNmGSRfdObFPrI8CNPQOCasWQnNhIB3HzGGzcBpWc2s2Xncss34gcfYe7rYZP4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EgyR80sS; 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="EgyR80sS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 362531F000E9; Wed, 2 Sep 2026 05:47:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788328077; bh=KnjoWKXYy9mV4JP4a4wfsis0KbFL9ZmPOgZcY5kWfCo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=EgyR80sSVGZeqAZxZ92XTLPu7/ygW+YWlw9SJ+T3xdyG+MrPAYVWAuYYwIacpddeN ICh6gf/gejLtS8LofSIiOs75v5RelfALnKuSTdO+mg6SJaV32cPRkcd13FUyqBAxf/ Pv+s+G0edkJ9J5bb/2vAGl7ahKfGV0EtXZJYfZ4G9Pi66X+L5ufr7fg9IH4bLJmeaC sLkfJlOzM2CyPwilF+7Gzmp1lMdmfcu8sMtW3BX8gr/EQhZBx/8AZJ0Of6E2kq+Osq 1m/H436xwi8JcRP2gFLyszGHhqFdrIfWXlT/+J2DxX5dO9+dfm/MAlrQLDS1D3wMOo kaIsW99KfflpQ== From: SJ Park To: Andrew Morton Cc: SJ Park , 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: [PATCH 08/12] mm/damon/tests/core-kunit: test overlapping ranges for set_regions() Date: Tue, 1 Sep 2026 22:47:41 -0700 Message-ID: <20260902054747.99370-9-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260902054747.99370-1-sj@kernel.org> References: <20260902054747.99370-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kselftest@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 3cbbbcbfbef8f..a4164ac489a61 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -612,6 +612,17 @@ 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 alignment 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