From: Vlastimil Babka <vbabka@suse.cz>
To: Michal Hocko <mhocko@kernel.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>,
Kees Cook <keescook@chromium.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>,
David Rientjes <rientjes@google.com>,
Matthew Wilcox <willy@infradead.org>,
"Eric W . Biederman" <ebiederm@xmission.com>,
"Guilherme G . Piccoli" <gpiccoli@canonical.com>
Subject: Re: [RFC v2 2/2] kernel/sysctl: support handling command line aliases
Date: Wed, 25 Mar 2020 15:36:23 +0100 [thread overview]
Message-ID: <52faea3b-6442-3b1b-9404-6a018d1d1c44@suse.cz> (raw)
In-Reply-To: <20200325142936.GC19542@dhcp22.suse.cz>
On 3/25/20 3:29 PM, Michal Hocko wrote:
> Both patches look really great to me. I haven't really checked all the
> details but from a quick glance they both seem ok.
Thanks.
> I would just add a small clarification here. Unless I am mistaken
> early_param is called earlier than it would be now. But that shouldn't
> cause any problems because the underlying implementation is just a noop
> for backward compatibility.
Yeah, indeed worth noting somewhere explicitly. The conversion can't be done
blindly, one has to consider whether the delay compared to early_param can be a
disadvantage or not. For example the nmi_watchdog parameter is probably best
left as it is?
> Thanks a lot this looks like a very nice improvement.
>
> On Wed 25-03-20 13:03:45, Vlastimil Babka wrote:
> [...]
>> -static __init int setup_numa_zonelist_order(char *s)
>> -{
>> - if (!s)
>> - return 0;
>> -
>> - return __parse_numa_zonelist_order(s);
>> -}
>> -early_param("numa_zonelist_order", setup_numa_zonelist_order);
>> -
>> char numa_zonelist_order[] = "Node";
>>
>> /*
>> --
>> 2.25.1
>
next prev parent reply other threads:[~2020-03-25 14:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 12:03 [RFC v2 1/2] kernel/sysctl: support setting sysctl parameters from kernel command line Vlastimil Babka
2020-03-25 12:03 ` [RFC v2 2/2] kernel/sysctl: support handling command line aliases Vlastimil Babka
2020-03-25 14:29 ` Michal Hocko
2020-03-25 14:36 ` Vlastimil Babka [this message]
2020-03-25 14:44 ` Michal Hocko
2020-03-25 22:42 ` Kees Cook
2020-03-29 15:00 ` Arvind Sankar
2020-03-25 21:21 ` [RFC v2 1/2] kernel/sysctl: support setting sysctl parameters from kernel command line Kees Cook
2020-03-26 9:30 ` Vlastimil Babka
2020-03-25 22:20 ` Eric W. Biederman
2020-03-25 22:54 ` Kees Cook
2020-03-26 6:58 ` Michal Hocko
2020-03-26 7:21 ` Kees Cook
2020-03-26 12:45 ` Eric W. Biederman
2020-03-30 22:09 ` Luis Chamberlain
2020-03-26 13:30 ` Christian Brauner
2020-03-26 13:39 ` Michal Hocko
2020-03-26 13:29 ` Vlastimil Babka
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