Re: [PATCH/RFC] Deprecate sysctl(2), add sysctl_name

Arjan van de Ven (arjanv@redhat.com)
11 Jul 2003 12:09:37 +0200

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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 @@
> =20
> if (copy_from_user(&tmp, args, sizeof(tmp)))
> return -EFAULT;
> - =09
> +=09
> + if (tmp.nlen !=3D 2 || tmp.name[0] !=3D CTL_KERN ||
> + tmp.name[1] !=3D KERN_VERSION) {=20
> + int i;
> + printk(KERN_INFO "%s: numerical sysctl ", current->comm);=20
> + for (i =3D 0; i < tmp.nlen; i++)=20
> + printk("%d ", tmp.name[i]);=20
> + printk("is obsolete.\n");
> + }=20
> +
> lock_kernel();

how about rate limiting this ?

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