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 X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B83B0C4320E for ; Thu, 26 Aug 2021 14:27:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E12460F91 for ; Thu, 26 Aug 2021 14:27:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242865AbhHZO2l (ORCPT ); Thu, 26 Aug 2021 10:28:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:42232 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242737AbhHZO2k (ORCPT ); Thu, 26 Aug 2021 10:28:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D7E9060F58; Thu, 26 Aug 2021 14:27:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629988073; bh=rmgSFvnVYQ6/fJk/PtsVp+kA+k9vpwcUD6eCn4s7mIQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=j8ewU2LQwOArbyRke6JdGC59MsfDGPcODk9CvQcMJbPROwrJMJfDx258QD13koStV Qfk/+SJL/EcpMhhtJM8juOO1hP8rfYrxZch/8PdwffXEjtt3WDe81dswrxFV/ORF3g QOWQQ3QPk761VateDMtuMbtocfLXoptH9gepjlJ3qYnLzxuDOAXrKZRZ81VcaQwZXr smfw6zAdSe0n2KFn0IQMZri06hym3j8yvhPrauc5+DrYLE3cFGJDS+0QYEYMkiEjOj /3h7dOXtfe2bS7xTUEHwjGGw9UQ364vEvUMQZcu3xqst/bYTMapfrYb4feQZx93e6X BaVjrDzEKRlFQ== Date: Thu, 26 Aug 2021 23:27:51 +0900 From: Masami Hiramatsu To: Masami Hiramatsu Cc: Steven Rostedt , LKML Subject: Re: [PATCH 1/3] init: bootconfig: Remove all bootconfig data when the init memory is removed Message-Id: <20210826232751.614f9be6c5ea0a48c5cebd04@kernel.org> In-Reply-To: <162996912688.236535.4047855429538984099.stgit@devnote2> References: <162996911932.236535.7533708592332223449.stgit@devnote2> <162996912688.236535.4047855429538984099.stgit@devnote2> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 26 Aug 2021 18:12:07 +0900 Masami Hiramatsu wrote: > Since the bootconfig is used only in the init functions, > it doesn't need to keep the data after boot. Free it when > the init memory is removed. > > Signed-off-by: Masami Hiramatsu > --- > init/main.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/init/main.c b/init/main.c > index 8d97aba78c3a..d9b0a99bb2dd 100644 > --- a/init/main.c > +++ b/init/main.c > @@ -1493,6 +1493,7 @@ static int __ref kernel_init(void *unused) > kprobe_free_init_mem(); > ftrace_free_init_mem(); > kgdb_free_init_mem(); > + xbc_destroy_all(); Oops, xbc_destroy_all() is not defined if CONFIG_BOOT_CONFIG=n. Let me fix that. Thanks, > free_initmem(); > mark_readonly(); > > -- Masami Hiramatsu