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[36.225.71.230]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7489008303fsm5209655b3a.79.2025.06.15.13.04.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Jun 2025 13:04:20 -0700 (PDT) From: Cheng-Yang Chou To: linux-kernel@vger.kernel.org Cc: tj@kernel.org, void@manifault.com, arighi@nvidia.com, changwoo@igalia.com, jserv@ccns.ncku.edu.tw, yphbchou0911@gmail.com Subject: [PATCH] sched_ext: Return NULL in llc_span Date: Mon, 16 Jun 2025 04:04:14 +0800 Message-ID: <20250615200414.42827-1-yphbchou0911@gmail.com> X-Mailer: git-send-email 2.43.0 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" Use NULL instead of 0 to signal no LLC domain, matching numa_span() and the function comment. No functional change. Signed-off-by: Cheng-Yang Chou --- kernel/sched/ext_idle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/ext_idle.c b/kernel/sched/ext_idle.c index b79cbdb7999a..dfacb0ad9b6f 100644 --- a/kernel/sched/ext_idle.c +++ b/kernel/sched/ext_idle.c @@ -249,7 +249,7 @@ static struct cpumask *llc_span(s32 cpu) =20 sd =3D rcu_dereference(per_cpu(sd_llc, cpu)); if (!sd) - return 0; + return NULL; =20 return sched_domain_span(sd); } --=20 2.48.1