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Thu, 29 Jul 2021 03:12:14 -0700 (PDT) Received: from [10.8.0.150] ([195.53.121.100]) by smtp.gmail.com with ESMTPSA id y6sm2606097wma.48.2021.07.29.03.12.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Jul 2021 03:12:14 -0700 (PDT) Subject: Re: [PATCH v2] man2: new page describing memfd_secret() system call To: Mike Rapoport Cc: Mike Rapoport , linux-api@vger.kernel.org, linux-man@vger.kernel.org, linux-mm@kvack.org, Michael Kerrisk References: <20210729082900.1581359-1-rppt@kernel.org> From: "Alejandro Colomar (man-pages)" Message-ID: <3572b371-80ab-eac1-e2c5-26b07748f767@gmail.com> Date: Thu, 29 Jul 2021 12:12:12 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210729082900.1581359-1-rppt@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: C8B827002747 Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=digWUxw4; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf27.hostedemail.com: domain of alxmanpages@gmail.com designates 209.85.128.50 as permitted sender) smtp.mailfrom=alxmanpages@gmail.com X-Stat-Signature: cwe9pddsp71enoo9p17xfs3gxeygusf9 X-HE-Tag: 1627553535-982904 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: Hi Mike, On 7/29/21 10:29 AM, Mike Rapoport wrote: > From: Mike Rapoport > > Signed-off-by: Mike Rapoport > --- > > v2: address Alex's comments: > * update synopsis to match new style for syscalls without a wrapper > * drop note about absence of glibc wrapper > * update formatting Please check a small typo introduced in v2 below. Thanks! Alex > > v1: https://lore.kernel.org/linux-api/20210727124140.1487079-1-rppt@kernel.org > > man2/memfd_secret.2 | 147 ++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 147 insertions(+) > create mode 100644 man2/memfd_secret.2 > > diff --git a/man2/memfd_secret.2 b/man2/memfd_secret.2 > new file mode 100644 > index 000000000..5a70cb5d2 > --- /dev/null > +++ b/man2/memfd_secret.2 > @@ -0,0 +1,147 @@ > +.\" Copyright (c) 2021, IBM Corporation. > +.\" Written by Mike Rapoport > +.\" > +.\" Based on memfd_create(2) man page > +.\" Copyright (C) 2014 Michael Kerrisk > +.\" and Copyright (C) 2014 David Herrmann > +.\" > +.\" %%%LICENSE_START(GPLv2+) > +.\" > +.\" This program is free software; you can redistribute it and/or modify > +.\" it under the terms of the GNU General Public License as published by > +.\" the Free Software Foundation; either version 2 of the License, or > +.\" (at your option) any later version. > +.\" > +.\" This program is distributed in the hope that it will be useful, > +.\" but WITHOUT ANY WARRANTY; without even the implied warranty of > +.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > +.\" GNU General Public License for more details. > +.\" > +.\" You should have received a copy of the GNU General Public > +.\" License along with this manual; if not, see > +.\" . > +.\" %%%LICENSE_END > +.\" > +.TH MEMFD_SECRET 2 2020-08-02 Linux "Linux Programmer's Manual" > +.SH NAME > +memfd_secret \- create an anonymous file to access secret memory regions > +.SH SYNOPSIS > +.nf > +.PP > +.BR "#include " " /* Definition of " SYS_* " constants */" > +.B #include > +.PP > +.BI "int syscall(SYS_memfd_secret, int " cmd ", unsigned int " flags \ > +", int " cpu_id ); Check the parameter list :) -- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es/