linux-kernel - Re: Create proc entry under /proc/sys/kernel

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Message-ID: <20080608111842.GA12240@martell.zuzino.mipt.ru>
Date:	Sun, 8 Jun 2008 15:18:42 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	RuoMu Hu <huruomu@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Create proc entry under /proc/sys/kernel

On Sun, Jun 08, 2008 at 04:00:57PM +0800, RuoMu Hu wrote:
> Is it possible to create a proc entry under /proc/sys/kernel directly by 
> create_proc_read_entry in the way shown below?

No longer.

> test_pde = create_proc_read_entry("/proc/sys/kernel/test", 0, NULL,
>                                    test_read_proc, NULL);
> if (test_pde == NULL) {
>    printk(KERN_ERR "Failed to create the test proc file.\n");
>    return -ENOMEM;
> }
>
> I'm using this in my kernel module but create_proc_read_entry always 
> returns fail, while there's no problem creating proc entries directly under 
> /proc.  The kernel source I'm building my kernel module against is 
> 2.6.25.4.

Use register_sysctl_table() for sysctls.

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