From: Randy Dunlap <rdunlap@infradead.org>
To: Mike Kravetz <mike.kravetz@oracle.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
linux-doc@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
"David S . Miller" <davem@davemloft.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Jonathan Corbet <corbet@lwn.net>, Longpeng <longpeng2@huawei.com>,
Christophe Leroy <christophe.leroy@c-s.fr>,
Mina Almasry <almasrymina@google.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v2 4/4] hugetlbfs: clean up command line processing
Date: Wed, 1 Apr 2020 11:55:01 -0700 [thread overview]
Message-ID: <a80f530d-e803-3952-e714-705a8589f50a@infradead.org> (raw)
In-Reply-To: <20200401183819.20647-5-mike.kravetz@oracle.com>
On 4/1/20 11:38 AM, Mike Kravetz wrote:
> With all hugetlb page processing done in a single file clean up code.
> - Make code match desired semantics
> - Update documentation with semantics
> - Make all warnings and errors messages start with 'HugeTLB:'.
> - Consistently name command line parsing routines.
> - Check for hugepages_supported() before processing parameters.
> - Add comments to code
> - Describe some of the subtle interactions
> - Describe semantics of command line arguments
>
> Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
> ---
Hi Mike,
One nit, please see below:
> .../admin-guide/kernel-parameters.txt | 35 ++++---
> Documentation/admin-guide/mm/hugetlbpage.rst | 44 +++++++++
> mm/hugetlb.c | 96 +++++++++++++++----
> 3 files changed, 142 insertions(+), 33 deletions(-)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 1bd5454b5e5f..de653cfe1726 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -832,12 +832,15 @@
> See also Documentation/networking/decnet.txt.
>
> default_hugepagesz=
> - [same as hugepagesz=] The size of the default
> - HugeTLB page size. This is the size represented by
> - the legacy /proc/ hugepages APIs, used for SHM, and
> - default size when mounting hugetlbfs filesystems.
> - Defaults to the default architecture's huge page size
> - if not specified.
> + [HW] The size of the default HugeTLB page size. This
Drop one "size" above?
> + is the size represented by the legacy /proc/ hugepages
> + APIs. In addition, this is the default hugetlb size
> + used for shmget(), mmap() and mounting hugetlbfs
> + filesystems. If not specified, defaults to the
> + architecture's default huge page size. Huge page
> + sizes are architecture dependent. See also
> + Documentation/admin-guide/mm/hugetlbpage.rst.
> + Format: size[KMG]
--
~Randy
next prev parent reply other threads:[~2020-04-01 18:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-01 18:38 [PATCH v2 0/4] Clean up hugetlb boot command line processing Mike Kravetz
2020-04-01 18:38 ` [PATCH v2 1/4] hugetlbfs: add arch_hugetlb_valid_size Mike Kravetz
2020-04-10 19:16 ` Peter Xu
2020-04-13 17:04 ` Mike Kravetz
2020-04-01 18:38 ` [PATCH v2 2/4] hugetlbfs: move hugepagesz= parsing to arch independent code Mike Kravetz
2020-04-10 19:26 ` Peter Xu
2020-04-01 18:38 ` [PATCH v2 3/4] hugetlbfs: remove hugetlb_add_hstate() warning for existing hstate Mike Kravetz
2020-04-10 19:34 ` Peter Xu
2020-04-01 18:38 ` [PATCH v2 4/4] hugetlbfs: clean up command line processing Mike Kravetz
2020-04-01 18:55 ` Randy Dunlap [this message]
2020-04-10 20:37 ` Peter Xu
2020-04-13 17:59 ` Mike Kravetz
2020-04-14 15:27 ` Peter Xu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a80f530d-e803-3952-e714-705a8589f50a@infradead.org \
--to=rdunlap@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=almasrymina@google.com \
--cc=aou@eecs.berkeley.edu \
--cc=benh@kernel.crashing.org \
--cc=borntraeger@de.ibm.com \
--cc=catalin.marinas@arm.com \
--cc=christophe.leroy@c-s.fr \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=davem@davemloft.net \
--cc=gor@linux.ibm.com \
--cc=heiko.carstens@de.ibm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-s390@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=longpeng2@huawei.com \
--cc=mike.kravetz@oracle.com \
--cc=mingo@redhat.com \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=paulus@samba.org \
--cc=sparclinux@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).