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Mon, 7 Jun 2021 09:46:43 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 7 Jun 2021 09:50:32 +0800 Received: from [10.174.177.243] (10.174.177.243) 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; Mon, 7 Jun 2021 09:50:31 +0800 Subject: Re: [PATCH v2 01/15] mm: add setup_initial_init_mm() helper To: Mike Rapoport CC: Andrew Morton , , , , , , , , , , , , , References: <20210604070633.32363-1-wangkefeng.wang@huawei.com> <20210604070633.32363-2-wangkefeng.wang@huawei.com> From: Kefeng Wang Message-ID: Date: Mon, 7 Jun 2021 09:50:31 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Authentication-Results: imf01.hostedemail.com; dkim=none; spf=pass (imf01.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 45.249.212.189 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com; dmarc=pass (policy=none) header.from=huawei.com X-Stat-Signature: wtm7jpho6rxfdsaqujaxno65ax3szuu5 X-Rspamd-Queue-Id: 37F4E5001533 X-Rspamd-Server: rspam06 X-HE-Tag: 1623030638-970061 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: On 2021/6/7 5:31, Mike Rapoport wrote: > Hello Kefeng, > > On Fri, Jun 04, 2021 at 03:06:19PM +0800, Kefeng Wang wrote: >> Add setup_initial_init_mm() helper to setup kernel text, >> data and brk. >> >> Cc: linux-snps-arc@lists.infradead.org >> Cc: linux-arm-kernel@lists.infradead.org >> Cc: linux-csky@vger.kernel.org >> Cc: uclinux-h8-devel@lists.sourceforge.jp >> Cc: linux-m68k@lists.linux-m68k.org >> Cc: openrisc@lists.librecores.org >> Cc: linuxppc-dev@lists.ozlabs.org >> Cc: linux-riscv@lists.infradead.org >> Cc: linux-sh@vger.kernel.org >> Cc: linux-s390@vger.kernel.org >> Cc: x86@kernel.org >> Signed-off-by: Kefeng Wang >> --- >> include/linux/mm_types.h | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h >> index 5aacc1c10a45..e1d2429089a4 100644 >> --- a/include/linux/mm_types.h >> +++ b/include/linux/mm_types.h >> @@ -572,6 +572,14 @@ struct mm_struct { >> }; >> >> extern struct mm_struct init_mm; >> +static inline void setup_initial_init_mm(void *start_code, void *end_code, >> + void *end_data, void *brk) > I think it's not that performance sensitive to make it inline. It can be > placed in mm/init-mm.c with a forward declaration in mm.h Ok, I will send a update one with this change. > >> +{ >> + 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 >> >> >> _______________________________________________ >> linux-riscv mailing list >> linux-riscv@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-riscv