From nobody Tue Oct 7 21:15:52 2025 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 BE5141FAC59; Sat, 5 Jul 2025 17:20:06 +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=1751736008; cv=none; b=CXRMiYTuogJ5CEuAA5N8eQ90zECfUBeaUm9zCKGDhBIWt0jE1eaFpyiUsUAoioneevitWbKjaZrJBPqFZc5tJZYkqBoDrhC6sjvXOXtOtCwmqUdieQZjJr5TD8YLuC9PeKWuu5PJ9Khr9kwllgBNmWcfcc7xPXQ68DCjlJc7Q0E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751736008; c=relaxed/simple; bh=vdzeXdPJva9xf8AUf7nVZK6UQucmjlC1P0NOeZ0k3kE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=uaxcedd3pBpQUoIV4JpUFpoJmW2OI2dDVCZkCk/q452+RE6KwdIsAYnyF8G6hGe2j5rQGfNyUPPpv2Vd46X1zUtt/IonoEjyEFStxkz1l1MhIiofB8/de38fZBMX8+eVJelDw0bLHbYKpMKlTe5ExKgchl0RHZI3/sb4Vz588is= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jxK0nDp1; 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="jxK0nDp1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24701C4CEE7; Sat, 5 Jul 2025 17:20:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751736006; bh=vdzeXdPJva9xf8AUf7nVZK6UQucmjlC1P0NOeZ0k3kE=; h=From:To:Cc:Subject:Date:From; b=jxK0nDp1PdIuXdV0I7hH1MZZYEjLkc3DCK+I5lS1jXZs1fmGNb1v3T6BV5sx+AsOj X9sQcE2yYmLLSmtb0rcgd/MDJnCNj4NoKzv3FxvvHnzGSeNkiiSDYOhy8uQJggk3go Q+1naayupOUZKcC2KbtCcWzkQ8l5NjUiR7NadOHUINV49qzXNl4aC7ZGgryV0R6v8H d0mwCXN7m5iCbn4VWNVko+DOpJTPsX3sWOO7KzgQHVbVdDNpOVPTFJIk54zopMNP7m WoBDyUnXrSwq/us0JQCVvVa9QOeU6Q5vGyMcwM72Ggo0+9f66qMSRluPf8lWuJhR2W uvmnkg4DjtjHQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel test robot Subject: [PATCH mm-new] mm/damon/core: initialize sidx in damos_trace_esz() Date: Sat, 5 Jul 2025 10:20:03 -0700 Message-Id: <20250705172003.52324-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Commit ae4dc5a31d0f ("mm/damon: add trace event for effective size quota") introduced damos_trac_esz(), which uses sidx variable without initialization. Initialize before using it. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202507051517.bs3jd8RW-lkp@int= el.com/ Fixes: ae4dc5a31d0f ("mm/damon: add trace event for effective size quota") = # mm-new Signed-off-by: SeongJae Park --- mm/damon/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index 6019b8ec4bba..dc0ee2dd55d3 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -2014,7 +2014,7 @@ static void damos_set_effective_quota(struct damos_qu= ota *quota) static void damos_trace_esz(struct damon_ctx *c, struct damos *s, struct damos_quota *quota) { - unsigned int cidx =3D 0, sidx; + unsigned int cidx =3D 0, sidx =3D 0; struct damos *siter; =20 damon_for_each_scheme(siter, c) { base-commit: e8ad191fca305538cdebb3dac3f9be19cd610d38 --=20 2.39.5