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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 B2E95C47090 for ; Sat, 29 May 2021 10:46:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D3B4613EB for ; Sat, 29 May 2021 10:46:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229686AbhE2Krq (ORCPT ); Sat, 29 May 2021 06:47:46 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:2465 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229673AbhE2Krm (ORCPT ); Sat, 29 May 2021 06:47:42 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4FsdSB3TZ2z67yB; Sat, 29 May 2021 18:43:06 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 29 May 2021 18:46:01 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 29 May 2021 18:46:00 +0800 From: Kefeng Wang To: Andrew Morton , CC: Kefeng Wang Subject: [PATCH 01/15] mm: add setup_initial_init_mm() helper Date: Sat, 29 May 2021 18:54:50 +0800 Message-ID: <20210529105504.180544-2-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210529105504.180544-1-wangkefeng.wang@huawei.com> References: <20210529105504.180544-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add setup_initial_init_mm() helper to setup kernel text, data and brk. Signed-off-by: Kefeng Wang --- include/linux/mm_types.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 38a516ec7d98..ae4c2e95c80a 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -564,6 +564,16 @@ struct mm_struct { }; extern struct mm_struct init_mm; +static inline void setup_initial_init_mm(char *start_code, + char *end_code, + char *end_data, + char *brk) +{ + init_mm.start_code = (unsigned long)start_code; + init_mm.end_code = (unsigned long)end_code; + init_mm.end_data = (unsigned long)end_data; + init_mm.brk = (unsigned long)brk; +} /* Pointer magic because the dynamic array size confuses some compilers. */ static inline void mm_init_cpumask(struct mm_struct *mm) -- 2.26.2