Kernel code quotes

Here we're collecting some funny quotes from the linux kernel code

---

        .owner  = THIS_MODULE,  /* for consistency 8) */

from linux-2.6.25/net/netlink/af_netlink.c (which is always built-in)

---

/*
 * ...
 * Yes, it is a memory overhead, but in 2003 AD, who cares?
 */

from linux-2.6.24/include/linux/netfilter_bridge/ebt_among.h

---

#define BITS_PER_BYTE           8

from linux-2.6.24/include/linux/bitops.h

---

/* "NOOP" scheduler: the best scheduler, recommended for all interfaces
   under all circumstances. It is difficult to invent anything faster or
   cheaper.
 */

from linux-2.6.24/net/sched/sch_generic.c

---

/*
 * Whee.. Weird sysv syscall. 
 */

from linux-2.6.24/fs/filesystems.c

---

static char vlan_copyright[] = "...";
static char vlan_buggyright[] = "...";

from linux-2.6.24-rc5/net/8021q/vlan.c

---

So... these "amateur" devices are hopeless.

from linux-2.6.24-rc5/net/ipv4/arp.c:arp_constructor()

---

/* This code sucks.  But you should have seen it before! --RR */

from linux-2.6.23/net/ipv4/route.c

---

static void dn_long_error_report(struct neighbour *neigh, struct sk_buff *skb)
{
        printk(KERN_DEBUG "dn_long_error_report: called\n");
        kfree_skb(skb);
}

from linux-2.6.23/net/decnet/dn_neigh.c

---

/* Unfortunately we don't support this one.  Any brave souls? */

from linux-2.6.23/include/linux/skbuff.h:skb_forward_csum()

---

#define IT_ID_SET       1
#define IT_ID_NOT_SET   0

from linux-2.6.23/kernel/posix-timers.c

---

* "I ask you, have you ever known what it is to be an orphan?"
*/
static int will_become_orphaned_pgrp(...

from linux-2.6.23/kernel/exit.c

---

#ifndef I_WISH_WORLD_WERE_PERFECT

/* It is not :-( ...

from linux-2.6.23/net/ipv4/ip_gre.c:ipgre_err()

---

weird, but documented

from linux-2.6.23/net/packet/af_packet.c:packet_create()

---

What the above comment does talk about? --ANK(980817)

from linux-2.6.23/net/unix/af_unix.c:unix_release_sock()

---

static inline int sk_hashed(const struct sock *sk)
{
        return !sk_unhashed(sk);
}

from linux-2.6.23/include/net/sock.h

---

Instead of using a dedicated spinlock, we (ab)use inetsw_lock

from linux-2.6.23/net/ipv4/af_inet.c:build_ehash_secret()