linux-kernel - Re: [PATCH 58/59] sysctl: Reimplement the sysctl proc support

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Date:	Wed, 14 Mar 2007 12:48:30 +0200
From:	"Alexey Dobriyan" <adobriyan@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Adrian Bunk" <bunk@...sta.de>,
	"Alexander Viro" <viro@....linux.org.uk>
Subject: Re: [PATCH 58/59] sysctl: Reimplement the sysctl proc support

On 3/14/07, Ingo Molnar <mingo@...e.hu> wrote:
>  #define PROCNAME_PML    "sys/kernel/preempt_max_latency"
>
>  static __init int latency_fs_init(void)
>  {
>          struct proc_dir_entry *entry;
>
>          if (!(entry = create_proc_entry(PROCNAME_PML, 0644, NULL)))
>                  printk("latency_fs_init(): can't create %s\n",
> PROCNAME_PML);
>
> with your change that broke because beyond /proc/sys/ there are no real
> proc entries anymore, there's no de->subdir directory for
> xlate_proc_name() to find. While the latency tracer isnt upstream, this
> change in semantics does not seem to be intended (the changelog is
> certainly silent about it).

Use register_sysctl_table() for sysctls.
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