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SubjectRe: [PATCH/RFC] Deprecate sysctl(2), add sysctl_name
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> --- linux-2.5/kernel/sysctl.c 2003-07-04 23:52:20.000000000 +0200
> +++ linux-2.5-amd64/kernel/sysctl.c 2003-07-11 03:25:18.000000000 +0200
> @@ -823,7 +838,16 @@
>
> if (copy_from_user(&tmp, args, sizeof(tmp)))
> return -EFAULT;
> -
> +
> + if (tmp.nlen != 2 || tmp.name[0] != CTL_KERN ||
> + tmp.name[1] != KERN_VERSION) {
> + int i;
> + printk(KERN_INFO "%s: numerical sysctl ", current->comm);
> + for (i = 0; i < tmp.nlen; i++)
> + printk("%d ", tmp.name[i]);
> + printk("is obsolete.\n");
> + }
> +
> lock_kernel();

how about rate limiting this ?
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