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=-13.8 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 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 73823C4708F for ; Mon, 31 May 2021 07:45:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E6416127A for ; Mon, 31 May 2021 07:45:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230245AbhEaHrU (ORCPT ); Mon, 31 May 2021 03:47:20 -0400 Received: from mail-ua1-f49.google.com ([209.85.222.49]:46054 "EHLO mail-ua1-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230070AbhEaHrT (ORCPT ); Mon, 31 May 2021 03:47:19 -0400 Received: by mail-ua1-f49.google.com with SMTP id v27so6113384uat.12 for ; Mon, 31 May 2021 00:45:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=kaxE3fD8H23OALzlaGt5xj+WmeW2E/aK7daDLonsjCo=; b=OJZFj9uMeDB95KBh1345ODSZp/sZzXhskl4VQp2raugrsEb7JYCbLaD4A7fs7YYJ+G U+r1wLF5Wi2pPBVxl2qpGqYC/orD3FoXf6PYczJf0LRJ0Ojfrpuxg0gmDXyaA4x6XjvK nH0aVZQfSQcUkRA4+QksGf4dwTIpgeoaDGiKvBahDSKgrZww4FQfpObEAuwfkX3LbsRz UP2Itn58S4L17cJ1gElTNRNJpCJMHMwPuMVVYVg94Fk+pTA1bEtSPjUtts+CaKF2E4SM RQOgxLIHjnuKcu55GGw3lSGeesB9gA5t20hHAV30p1lailMYd5psNQAHvbkql+rfgOr7 EiiA== X-Gm-Message-State: AOAM5336lH9QT8TwWSbcFE4c/RYt+HNpB0BRHl/crikwrBXdAfL8gkhX pL2TM2q3Sbxlx5wDaKd97bywSKdAuQFM3fcjjJ1zDIJi X-Google-Smtp-Source: ABdhPJy2kkpoYUAcxC++APXvfiXcAprziIIsOO9DJCAw8TXNS3bqG8T/K6ce6EelZLh8WwxpD2PxR1FnR9jeURcSGcY= X-Received: by 2002:ab0:100f:: with SMTP id f15mr9872331uab.100.1622447138430; Mon, 31 May 2021 00:45:38 -0700 (PDT) MIME-Version: 1.0 References: <20210529105504.180544-1-wangkefeng.wang@huawei.com> <20210529105504.180544-2-wangkefeng.wang@huawei.com> In-Reply-To: <20210529105504.180544-2-wangkefeng.wang@huawei.com> From: Geert Uytterhoeven Date: Mon, 31 May 2021 09:45:27 +0200 Message-ID: Subject: Re: [PATCH 01/15] mm: add setup_initial_init_mm() helper To: Kefeng Wang Cc: Andrew Morton , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Kefeng, On Sat, May 29, 2021 at 12:47 PM Kefeng Wang wrote: > Add setup_initial_init_mm() helper to setup kernel text, > data and brk. > > Signed-off-by: Kefeng Wang Thanks for your patch! > --- 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) "void *" (for all four)? > +{ > + 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; > +} Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds