From nobody Mon May 25 06:43:16 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3408E35838B; Sun, 17 May 2026 09:25:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779009911; cv=none; b=bq388wRqOETAdes1/97PZpcCrUQr1UY7NErxVaEGLpLaNrDZDPLlef9myMwaF79snZQAfxbohS1LEReadkWtlT6n/XhOL3CkpchUVqDyPGZ96RNz2V8YFSXWnOA79F/Jhjg+Af60UHziHR5u/xB5Qm9aczw0dJ9Ii/AgoPh7sOM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779009911; c=relaxed/simple; bh=7y2WJ62VHjFjcC0W10A0Ibwi3RZr+dSmPhL4fXoUHjU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=PobNrd5k5WNQrZn+RHQAgx6EB2a3yb8viqHJ6teIS3+0Pq5U6H3QHz9vzk1wcLZzi4MnbsajMf3tUMjsv12ni1chOv6ZrNe7WH7GTpZrTNQFzV2E3HR0pZrb/qEIFYCiAs2jSNY+FtNo13Ptip0Y8pK0vwHRcJuOMK/ZvZwlrsU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.59]) by gateway (Coremail) with SMTP id _____8Ax_ulxiQlqiYUKAA--.30958S3; Sun, 17 May 2026 17:25:05 +0800 (CST) Received: from kernelserver (unknown [223.64.68.59]) by front1 (Coremail) with SMTP id qMiowJAxlsBXiQlqD0KFAA--.49892S2; Sun, 17 May 2026 17:24:43 +0800 (CST) From: Huacai Chen To: Huacai Chen Cc: loongarch@lists.linux.dev, Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , linux-kernel@vger.kernel.org, Huacai Chen , stable@vger.kernel.org Subject: [PATCH] LoongArch: Remove unused code to avoid build warning Date: Sun, 17 May 2026 17:24:32 +0800 Message-ID: <20260517092432.1025008-1-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.52.0 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 X-CM-TRANSID: qMiowJAxlsBXiQlqD0KFAA--.49892S2 X-CM-SenderInfo: hfkh0x5xdftxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoWrtryDZr47WrWxXryUJFW8AFc_yoW8JF1kpr W8Zwn5Kr4UWr17Zws7tr9Y9rnxJ3Z7KF42qFsIkF9xWF17Xr109r1ft3ZFqFy5J3yrGFWI vr4ktr13Wa1jkacCm3ZEXasCq-sJn29KB7ZKAUJUUUUr529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUU9jb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ Gr0_Gr1UM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYI kI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUAVWU twAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI4 8JMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMxCIbckI1I0E14v26r1Y 6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7 AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1I6r4UMIIF0xvE 2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcV C2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2Kfnx nUUI43ZEXa7IU8q2NtUUUUU== Content-Type: text/plain; charset="utf-8" After commit feee6b2989165631b1 ("mm/memory_hotplug: shrink zones when offlining memory"), __remove_pages() doesn't need the "zone" parameter so the "page" variable is also unused. Remove the unused code to avoid such build warning: arch/loongarch/mm/init.c: In function 'arch_remove_memory': arch/loongarch/mm/init.c:134:22: warning: variable 'page' set but not used = [-Wunused-but-set-variable=3D] 134 | struct page *page =3D pfn_to_page(start_pfn); Cc: Signed-off-by: Huacai Chen --- arch/loongarch/mm/init.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c index 3f9ab54114c5..031b39eb081c 100644 --- a/arch/loongarch/mm/init.c +++ b/arch/loongarch/mm/init.c @@ -123,11 +123,7 @@ void arch_remove_memory(u64 start, u64 size, struct vm= em_altmap *altmap) { unsigned long start_pfn =3D start >> PAGE_SHIFT; unsigned long nr_pages =3D size >> PAGE_SHIFT; - struct page *page =3D pfn_to_page(start_pfn); =20 - /* With altmap the first mapped page is offset from @start */ - if (altmap) - page +=3D vmem_altmap_offset(altmap); __remove_pages(start_pfn, nr_pages, altmap); } #endif --=20 2.52.0