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([110.9.142.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-395c4697358sm3221515a91.8.2026.08.21.06.15.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2026 06:15:40 -0700 (PDT) From: Sang-Heon Jeon To: "Rafael J. Wysocki" Cc: Len Brown , linux-acpi@vger.kernel.org Subject: [PATCH] ACPI: MRRM: Use for_each_populated_zone() in get_node_num() Date: Fri, 21 Aug 2026 22:15:08 +0900 Message-ID: <20260821131530.3375820-1-ekffu200098@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit get_node_num() iterates over the populated zones of every online node with a nested loop. for_each_populated_zone() iterates over the same zones in the same order. So use for_each_populated_zone() instead and remove the unused variable. No functional change. Signed-off-by: Sang-Heon Jeon --- drivers/acpi/acpi_mrrm.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/acpi/acpi_mrrm.c b/drivers/acpi/acpi_mrrm.c index e99cbda83452..83934e2aa0d4 100644 --- a/drivers/acpi/acpi_mrrm.c +++ b/drivers/acpi/acpi_mrrm.c @@ -36,17 +36,11 @@ static u32 mrrm_mem_entry_num; static int get_node_num(struct mrrm_mem_range_entry *e) { - unsigned int nid; + struct zone *zone; - for_each_online_node(nid) { - for (int z = 0; z < MAX_NR_ZONES; z++) { - struct zone *zone = NODE_DATA(nid)->node_zones + z; - - if (!populated_zone(zone)) - continue; - if (zone_intersects(zone, PHYS_PFN(e->base), PHYS_PFN(e->length))) - return zone_to_nid(zone); - } + for_each_populated_zone(zone) { + if (zone_intersects(zone, PHYS_PFN(e->base), PHYS_PFN(e->length))) + return zone_to_nid(zone); } return -ENOENT; -- 2.43.0