From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D9E78CCD1A5 for ; Mon, 27 Oct 2025 05:46:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Q822U025jgr2n1OaMQqGOiPQ2cAPVzR8OtB9r2ruwMY=; b=IsMO45Pg1is8AxNstzrx3kDVzZ 8Ca81xGG6EBrl7RpRTkFQ9p987j3oH0rBXGZQu/AZKqXKoZMQCOGpTgyE7st6L5WxLqXaixMzUcQG UzCYiyhcdjy3Fm5oYrZu6P4eoW9g6fNsZIu7TKDd9tJXjbDnJF+jRYrV8L/SAzQQ9LvKoYJvKAPct Af92h7t4vY22y1pdCGoAbRRsnwrdoTVLrw4JYC3pJmXEX/j+KdJhVdBrS+ftD20dAMikvg0qT9AY2 upLfrDfDCzSALr6X6uRqQcu0y+o1JbwtF5OyxzXgcW9482SXTQbPGgudD8tnxMMGqELI28PMz7r9f n+/wQnZw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDG3Q-0000000D8kz-2Kum; Mon, 27 Oct 2025 05:46:04 +0000 Received: from out-186.mta1.migadu.com ([95.215.58.186]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDG3L-0000000D8k3-29b5 for linux-um@lists.infradead.org; Mon, 27 Oct 2025 05:46:00 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1761543957; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Q822U025jgr2n1OaMQqGOiPQ2cAPVzR8OtB9r2ruwMY=; b=NbtVvv3E05lAbi3UgNg/DizSw3NBnRYzj3bQ6pl4BuoRUI3owmyx71IJMDG3FkQAm8ZjXq oKvpIIULgjshOSRS+p7f+iFYZ09i44CsHsLGK5PhDQnNdYCoSa5kY7L2V1/OscB0Cl9jpW uHmh85hjTwnOF+ZwNj2aafhXDYOqCLs= From: Tiwei Bie To: richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net Cc: linux-um@lists.infradead.org, tiwei.btw@antgroup.com, tiwei.bie@linux.dev Subject: [PATCH v2 1/4] um: Make host_task_size a local variable Date: Mon, 27 Oct 2025 13:45:16 +0800 Message-Id: <20251027054519.1996090-2-tiwei.bie@linux.dev> In-Reply-To: <20251027054519.1996090-1-tiwei.bie@linux.dev> References: <20251027054519.1996090-1-tiwei.bie@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251026_224559_700914_12A912B3 X-CRM114-Status: UNSURE ( 8.77 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org From: Tiwei Bie Currently, host_task_size is a global variable, but it is only used in linux_main() to compute stub_start and task_size. Make it a local variable to limit its scope to where it is actually needed. Signed-off-by: Tiwei Bie --- arch/um/include/shared/as-layout.h | 1 - arch/um/kernel/um_arch.c | 3 +-- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h index 7c7e17bce403..02ef258e3395 100644 --- a/arch/um/include/shared/as-layout.h +++ b/arch/um/include/shared/as-layout.h @@ -44,7 +44,6 @@ extern unsigned long start_vm; extern unsigned long brk_start; -extern unsigned long host_task_size; extern unsigned long stub_start; extern int linux_main(int argc, char **argv, char **envp); diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index cfbbbf8500c3..5b982031e5ae 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -254,8 +254,6 @@ unsigned long stub_start; unsigned long task_size; EXPORT_SYMBOL(task_size); -unsigned long host_task_size; - unsigned long brk_start; unsigned long end_iomem; EXPORT_SYMBOL(end_iomem); @@ -308,6 +306,7 @@ int __init linux_main(int argc, char **argv, char **envp) { unsigned long avail, diff; unsigned long virtmem_size, max_physmem; + unsigned long host_task_size; unsigned long stack; unsigned int i; int add; -- 2.34.1