Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp4765669ybb; Tue, 14 Apr 2020 13:43:14 -0700 (PDT) X-Google-Smtp-Source: APiQypKlLk0PbckrLwWKwX2L3mS2KvsEP7SEnbPihRPQm86cWctj/uU1M7OnpOtEsAq5MJfvOZBr X-Received: by 2002:a50:c25a:: with SMTP id t26mr21859425edf.20.1586896994656; Tue, 14 Apr 2020 13:43:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1586896994; cv=none; d=google.com; s=arc-20160816; b=ju7mIoTtx4XAQm5TdK3E8VMaMVPMzR08PfemJvwGZBAWe6ur0/eunENpGb8vcGb3ia FTc82zmeSmEnuAcHGzqBe7pm+VR/CAVtcR8cC1rHFHsP33rjqsf4LILaM3U0dzinPz/k QJqGZ037dJuLx8oR8sfQT9k/NhTuB33cJzMlOVJsX1ZTsaHydeoGiCdLswJ3w2pOgnuC bPxXZVkef/1GRuG2LYNo8shumZY9WXL4dlxL5KcDdPUy1Ruw8wCU5BuA/zLnEItCnAjg nG7R4iAsEiVxjjGGf/CT2VfDQtMV1vIpPJM4gwl3PYZhY01I28MisqIlxjIgvsY8moUP qcIw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=wZ/BsgIb9TP61QLhMBcgerfFW/ex611sAKUa0RtQU4s=; b=h6Bw4cbQhHXzbIzxjZAFlEWvye3LvQR6MPIUzcuu+tcd1lMqk+tL1W1MMlt5BZbREC tyRn3P00c8tgBZhMtvu68yHqK3zr5I8jkOwP7YPTInNu2JyMg9H/yss4ndG8lsPYlEj+ gxZQ3E6Q8uHPSguNUkf0KTbJMM2UX1IueG5s8co173kseVI3KDZO2dzJVPW3Zu+7hDL3 KVmX3RIS0EgOuR6gxOUvEPa7p8A7WjfqlUxKBR5G6aMMtHcBegx1lU5WE49Wnp3sdp3N /9psvPglhEVGdwhS6xmesgoLsZp9F6cJxw9KKlljEXKn5MKeBLs1aun35zdCODAmJjAV Fp8Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k3si6220938ejk.202.2020.04.14.13.42.33; Tue, 14 Apr 2020 13:43:14 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730679AbgDMPos convert rfc822-to-8bit (ORCPT + 99 others); Mon, 13 Apr 2020 11:44:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:53098 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728597AbgDMPor (ORCPT ); Mon, 13 Apr 2020 11:44:47 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 95DE220656; Mon, 13 Apr 2020 15:44:46 +0000 (UTC) Date: Mon, 13 Apr 2020 11:44:44 -0400 From: Steven Rostedt To: =?UTF-8?B?5a6L54mn5pil?= Cc: mingo@kernel.org, peterz@infradead.org, juri.lelli@redhat.com, Vincent Guittot , dietmar.eggemann@arm.com, Benjamin Segall , mgorman@suse.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sched/fair: add __init to sched_init_granularity functions Message-ID: <20200413114444.5db76182@gandalf.local.home> In-Reply-To: References: <20200406074750.56533-1-songmuchun@bytedance.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 13 Apr 2020 23:07:03 +0800 宋牧春 wrote: > > -void sched_init_granularity(void) > > +void __init sched_init_granularity(void) > > { > > update_sysctl(); > > } > > -- > > 2.11.0 > > > > Ping guys. Any suggestions? Seems fine, but not that big of an issue as it's a very small function. ffffffff81136880 : ffffffff81136880: e8 7b b3 ac 00 callq ffffffff81c01c00 <__fentry__> ffffffff81136881: R_X86_64_PLT32 __fentry__-0x4 ffffffff81136885: e9 86 86 ff ff jmpq ffffffff8112ef10 ffffffff8113688a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) But anyway, it can save 16 bytes of memory in the running kernel. Reviewed-by: Steven Rostedt (VMware) -- Steve