From: Kees Cook <keescook@chromium.org>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Luis Chamberlain <mcgrof@kernel.org>,
Iurii Zaikin <yzaikin@google.com>,
linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
linux-mm@kvack.org, Ivan Teterevkov <ivan.teterevkov@nutanix.com>,
Michal Hocko <mhocko@kernel.org>,
David Rientjes <rientjes@google.com>,
Matthew Wilcox <willy@infradead.org>,
"Eric W . Biederman" <ebiederm@xmission.com>
Subject: Re: [RFC] kernel/sysctl: support setting sysctl parameters from kernel command line
Date: Tue, 24 Mar 2020 11:24:17 -0700 [thread overview]
Message-ID: <202003241121.44E725B@keescook> (raw)
In-Reply-To: <bc721358-6202-bdc5-0398-29921b3f9855@suse.cz>
On Tue, Mar 24, 2020 at 05:50:49PM +0100, Vlastimil Babka wrote:
> On 3/17/20 10:29 PM, Kees Cook wrote:
> > mm.transparent_hugepage.enabled
>
> Hm, transparent_hugepage is in sysfs (/sys/kernel/mm), but not sysctl, at least
> in my case the sysctl tool doesn't list it. Yours does? Yay for consistency.
Oh, whoops! That was my mistake; my eyes skipped out of /proc/sys ;)
> > I like the idea if just for having to build less boiler plate for
> > supporting things that I've had to plumb to both boot_params and sysctl.
> > :)
>
> Thanks, I will pursue the idea further then :)
Awesome! I've wanted this for a long time but never had the time to give
it a try. :)
--
Kees Cook
prev parent reply other threads:[~2020-03-24 18:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-17 13:21 [RFC] kernel/sysctl: support setting sysctl parameters from kernel command line Vlastimil Babka
2020-03-17 21:29 ` Kees Cook
2020-03-24 16:50 ` Vlastimil Babka
2020-03-24 18:24 ` Kees Cook [this message]
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