From patchwork Tue Jun 8 08:34:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 12305809 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 89E2DC47082 for ; Tue, 8 Jun 2021 08:26:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 400A461351 for ; Tue, 8 Jun 2021 08:26:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 400A461351 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 5066A6B0075; Tue, 8 Jun 2021 04:26:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4E2076B0078; Tue, 8 Jun 2021 04:26:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 357766B007B; Tue, 8 Jun 2021 04:26:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0192.hostedemail.com [216.40.44.192]) by kanga.kvack.org (Postfix) with ESMTP id 023976B0075 for ; Tue, 8 Jun 2021 04:26:01 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 8E4C15833 for ; Tue, 8 Jun 2021 08:26:01 +0000 (UTC) X-FDA: 78229873722.18.6C196E5 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf26.hostedemail.com (Postfix) with ESMTP id 0C3454202A14 for ; Tue, 8 Jun 2021 08:25:58 +0000 (UTC) Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Fzjql4nW3zWshL; Tue, 8 Jun 2021 16:21:07 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 8 Jun 2021 16:25:58 +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; Tue, 8 Jun 2021 16:25:57 +0800 From: Kefeng Wang To: Andrew Morton , CC: , Kefeng Wang , "Michael Ellerman" , Benjamin Herrenschmidt , Subject: [PATCH v3 resend 11/15] powerpc: convert to setup_initial_init_mm() Date: Tue, 8 Jun 2021 16:34:14 +0800 Message-ID: <20210608083418.137226-12-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210608083418.137226-1-wangkefeng.wang@huawei.com> References: <20210608083418.137226-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 0C3454202A14 X-Stat-Signature: q1oba8k3d6ox5msftyndxxk4qf5nprn7 Authentication-Results: imf26.hostedemail.com; dkim=none; spf=pass (imf26.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com; dmarc=pass (policy=none) header.from=huawei.com X-HE-Tag: 1623140758-136616 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use setup_initial_init_mm() helper to simplify code. Note klimit is (unsigned long) _end, with new helper, will use _end directly. Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Kefeng Wang --- arch/powerpc/kernel/setup-common.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 74a98fff2c2f..96697c6e1e16 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -927,10 +927,7 @@ void __init setup_arch(char **cmdline_p) klp_init_thread_info(&init_task); - init_mm.start_code = (unsigned long)_stext; - init_mm.end_code = (unsigned long) _etext; - init_mm.end_data = (unsigned long) _edata; - init_mm.brk = klimit; + setup_initial_init_mm(_stext, _etext, _edata, _end); mm_iommu_init(&init_mm); irqstack_early_init();