sysctl.h: Comment out unused constants

Comment out unused constants in include/linux/sysctl.h.

---
Compile-tested with allyes and allmod under i386.

index 81480e6..c8d2cb7 100644
@@ -91,10 +91,10 @@ enum

{
KERN_OSTYPE=1, /* string: system version */
KERN_OSRELEASE=2, /* string: system release */
- KERN_OSREV=3, /* int: system revision */
+/* KERN_OSREV=3,*/ /* int: system revision */
KERN_VERSION=4, /* string: compile time info */
- KERN_SECUREMASK=5, /* struct: maximum rights mask */
- KERN_PROF=6, /* table: profiling information */
+/* KERN_SECUREMASK=5,*/ /* struct: maximum rights mask */
+/* KERN_PROF=6,*/ /* table: profiling information */
KERN_NODENAME=7,
KERN_DOMAINNAME=8,

@@ -105,22 +105,22 @@ enum
KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
KERN_PRINTK=23, /* struct: control printk logging parameters */
- KERN_NAMETRANS=24, /* Name translation */
- KERN_PPC_HTABRECLAIM=25, /* turn htab reclaimation on/off on PPC */
- KERN_PPC_ZEROPAGED=26, /* turn idle page zeroing on/off on PPC */
+/* KERN_NAMETRANS=24,*/ /* Name translation */
+/* KERN_PPC_HTABRECLAIM=25,*/ /* turn htab reclaimation on/off on PPC */
+/* KERN_PPC_ZEROPAGED=26,*/ /* turn idle page zeroing on/off on PPC */

	KERN_PPC_POWERSAVE_NAP=27, /* use nap mode for power saving */
	KERN_MODPROBE=28,
	KERN_SG_BIG_BUFF=29,
	KERN_ACCT=30,		/* BSD process accounting parameters */
	KERN_PPC_L2CR=31,	/* l2cr register on PPC */

- KERN_RTSIGNR=32, /* Number of rt sigs queued */
- KERN_RTSIGMAX=33, /* Max queuable */
+/* KERN_RTSIGNR=32,*/ /* Number of rt sigs queued */
+/* KERN_RTSIGMAX=33,*/ /* Max queuable */

	KERN_SHMMAX=34,         /* long: Maximum shared memory segment */
	KERN_MSGMAX=35,         /* int: Maximum size of a messege */
	KERN_MSGMNB=36,         /* int: Maximum message queue size */
-	KERN_MSGPOOL=37,        /* int: Maximum system message pool size */
+/*	KERN_MSGPOOL=37,*/	/* int: Maximum system message pool size */
	KERN_SYSRQ=38,		/* int: Sysreq enable */
	KERN_MAX_THREADS=39,	/* int: Maximum nr of threads in the system */

KERN_RANDOM=40, /* Random driver */
@@ -131,7 +131,7 @@ enum
KERN_SHMMNI=45, /* int: shm array identifiers */
KERN_OVERFLOWUID=46, /* int: overflow UID */
KERN_OVERFLOWGID=47, /* int: overflow GID */
- KERN_SHMPATH=48, /* string: path to shm fs */
+/* KERN_SHMPATH=48,*/ /* string: path to shm fs */
KERN_HOTPLUG=49, /* string: path to uevent helper (deprecated) */
KERN_IEEE_EMULATION_WARNINGS=50, /* int: unimplemented ieee instructions */ KERN_S390_USER_DEBUG_LOGGING=51, /* int: dumps of user faults */
@@ -167,15 +167,15 @@ enum
/* CTL_VM names: */
enum
{
- VM_UNUSED1=1, /* was: struct: Set vm swapping control */
- VM_UNUSED2=2, /* was; int: Linear or sqrt() swapout for hogs */
- VM_UNUSED3=3, /* was: struct: Set free page thresholds */
- VM_UNUSED4=4, /* Spare */
+/* VM_UNUSED1=1,*/ /* was: struct: Set vm swapping control */
+/* VM_UNUSED2=2,*/ /* was; int: Linear or sqrt() swapout for hogs */
+/* VM_UNUSED3=3,*/ /* was: struct: Set free page thresholds */
+/* VM_UNUSED4=4,*/ /* Spare */
VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */
- VM_UNUSED5=6, /* was: struct: Set buffer memory thresholds */
- VM_UNUSED7=7, /* was: struct: Set cache memory thresholds */
- VM_UNUSED8=8, /* was: struct: Control kswapd behaviour */
- VM_UNUSED9=9, /* was: struct: Set page table cache parameters */
+/* VM_UNUSED5=6,*/ /* was: struct: Set buffer memory thresholds */
+/* VM_UNUSED7=7,*/ /* was: struct: Set cache memory thresholds */
+/* VM_UNUSED8=8,*/ /* was: struct: Control kswapd behaviour */
+/* VM_UNUSED9=9,*/ /* was: struct: Set page table cache parameters */
VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */
VM_DIRTY_BACKGROUND=11, /* dirty_background_ratio */
VM_DIRTY_RATIO=12, /* dirty_ratio */
@@ -183,7 +183,7 @@ enum

	VM_DIRTY_EXPIRE_CS=14,	/* dirty_expire_centisecs */
	VM_NR_PDFLUSH_THREADS=15, /* nr_pdflush_threads */
	VM_OVERCOMMIT_RATIO=16, /* percent of RAM to allow overcommit in */

- VM_PAGEBUF=17, /* struct: Control pagebuf parameters */
+/* VM_PAGEBUF=17,*/ /* struct: Control pagebuf parameters */
VM_HUGETLB_PAGES=18, /* int: Number of available Huge Pages */
VM_SWAPPINESS=19, /* Tendency to steal mapped memory */
VM_LOWMEM_RESERVE_RATIO=20,/* reservation ratio for lower memory zones */
@@ -194,7 +194,7 @@ enum
VM_HUGETLB_GROUP=25, /* permitted hugetlb group */
VM_VFS_CACHE_PRESSURE=26, /* dcache/icache reclaim pressure */ VM_LEGACY_VA_LAYOUT=27, /* legacy/compatibility virtual address space layout */
- VM_SWAP_TOKEN_TIMEOUT=28, /* default time for token time out */
+/* VM_SWAP_TOKEN_TIMEOUT=28,*/ /* default time for token time out */
VM_DROP_PAGECACHE=29, /* int: nuke lots of pagecache */
VM_PERCPU_PAGELIST_FRACTION=30,/* int: fraction of pages in each percpu_pagelist */ VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */
@@ -210,7 +210,7 @@ enum

{
	NET_CORE=1,
	NET_ETHER=2,
-	NET_802=3,
+/*	NET_802=3,*/
	NET_UNIX=4,
	NET_IPV4=5,
	NET_IPX=6,
@@ -223,7 +223,7 @@ enum
	NET_X25=13,
	NET_TR=14,
	NET_DECNET=15,
-	NET_ECONET=16,
+/*	NET_ECONET=16,*/
	NET_SCTP=17,
	NET_LLC=18,
	NET_NETFILTER=19,
@@ -265,16 +265,16 @@ enum
	NET_CORE_RMEM_DEFAULT=4,
/* was	NET_CORE_DESTROY_DELAY */
	NET_CORE_MAX_BACKLOG=6,
-	NET_CORE_FASTROUTE=7,
+/*	NET_CORE_FASTROUTE=7,*/
	NET_CORE_MSG_COST=8,
	NET_CORE_MSG_BURST=9,
	NET_CORE_OPTMEM_MAX=10,

- NET_CORE_HOT_LIST_LENGTH=11,
- NET_CORE_DIVERT_VERSION=12,
- NET_CORE_NO_CONG_THRESH=13,
- NET_CORE_NO_CONG=14,
- NET_CORE_LO_CONG=15,
- NET_CORE_MOD_CONG=16,
+/* NET_CORE_HOT_LIST_LENGTH=11,*/
+/* NET_CORE_DIVERT_VERSION=12,*/
+/* NET_CORE_NO_CONG_THRESH=13,*/
+/* NET_CORE_NO_CONG=14,*/
+/* NET_CORE_LO_CONG=15,*/
+/* NET_CORE_MOD_CONG=16,*/

	NET_CORE_DEV_WEIGHT=17,
	NET_CORE_SOMAXCONN=18,
	NET_CORE_BUDGET=19,

@@ -290,8 +290,8 @@ enum

enum
{
- NET_UNIX_DESTROY_DELAY=1,
- NET_UNIX_DELETE_DELAY=2,
+/* NET_UNIX_DESTROY_DELAY=1,*/
+/* NET_UNIX_DELETE_DELAY=2,*/

	NET_UNIX_MAX_DGRAM_QLEN=3,
};

@@ -342,7 +342,7 @@ enum

	NET_IPV4_CONF=16,
	NET_IPV4_NEIGH=17,
	NET_IPV4_ROUTE=18,
-	NET_IPV4_FIB_HASH=19,
+/*	NET_IPV4_FIB_HASH=19,*/
	NET_IPV4_NETFILTER=20,

	NET_IPV4_TCP_TIMESTAMPS=33,
@@ -350,36 +350,36 @@ enum
	NET_IPV4_TCP_SACK=35,
	NET_IPV4_TCP_RETRANS_COLLAPSE=36,
	NET_IPV4_DEFAULT_TTL=37,
-	NET_IPV4_AUTOCONFIG=38,
+/*	NET_IPV4_AUTOCONFIG=38,*/
	NET_IPV4_NO_PMTU_DISC=39,
	NET_IPV4_TCP_SYN_RETRIES=40,
	NET_IPV4_IPFRAG_HIGH_THRESH=41,
	NET_IPV4_IPFRAG_LOW_THRESH=42,
	NET_IPV4_IPFRAG_TIME=43,
-	NET_IPV4_TCP_MAX_KA_PROBES=44,
+/*	NET_IPV4_TCP_MAX_KA_PROBES=44,*/
	NET_IPV4_TCP_KEEPALIVE_TIME=45,
	NET_IPV4_TCP_KEEPALIVE_PROBES=46,
	NET_IPV4_TCP_RETRIES1=47,
	NET_IPV4_TCP_RETRIES2=48,
	NET_IPV4_TCP_FIN_TIMEOUT=49,
-	NET_IPV4_IP_MASQ_DEBUG=50,
+/*	NET_IPV4_IP_MASQ_DEBUG=50,*/
	NET_TCP_SYNCOOKIES=51,
	NET_TCP_STDURG=52,
	NET_TCP_RFC1337=53,
-	NET_TCP_SYN_TAILDROP=54,
+/*	NET_TCP_SYN_TAILDROP=54,*/
	NET_TCP_MAX_SYN_BACKLOG=55,
	NET_IPV4_LOCAL_PORT_RANGE=56,
	NET_IPV4_ICMP_ECHO_IGNORE_ALL=57,
	NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS=58,

- NET_IPV4_ICMP_SOURCEQUENCH_RATE=59,
- NET_IPV4_ICMP_DESTUNREACH_RATE=60,
- NET_IPV4_ICMP_TIMEEXCEED_RATE=61,
- NET_IPV4_ICMP_PARAMPROB_RATE=62,
- NET_IPV4_ICMP_ECHOREPLY_RATE=63,
+/* NET_IPV4_ICMP_SOURCEQUENCH_RATE=59,*/
+/* NET_IPV4_ICMP_DESTUNREACH_RATE=60,*/
+/* NET_IPV4_ICMP_TIMEEXCEED_RATE=61,*/
+/* NET_IPV4_ICMP_PARAMPROB_RATE=62,*/
+/* NET_IPV4_ICMP_ECHOREPLY_RATE=63,*/

	NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES=64,
	NET_IPV4_IGMP_MAX_MEMBERSHIPS=65,
	NET_TCP_TW_RECYCLE=66,
-	NET_IPV4_ALWAYS_DEFRAG=67,
+/*	NET_IPV4_ALWAYS_DEFRAG=67,*/
	NET_IPV4_TCP_KEEPALIVE_INTVL=68,
	NET_IPV4_INET_PEER_THRESHOLD=69,
	NET_IPV4_INET_PEER_MINTTL=70,
@@ -409,10 +409,10 @@ enum
	NET_IPV4_IPFRAG_SECRET_INTERVAL=94,
	NET_IPV4_IGMP_MAX_MSF=96,
	NET_TCP_NO_METRICS_SAVE=97,
-	NET_TCP_DEFAULT_WIN_SCALE=105,
+/*	NET_TCP_DEFAULT_WIN_SCALE=105,*/
	NET_TCP_MODERATE_RCVBUF=106,
	NET_TCP_TSO_WIN_DIVISOR=107,
-	NET_TCP_BIC_BETA=108,
+/*	NET_TCP_BIC_BETA=108,*/
	NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109,
	NET_TCP_CONG_CONTROL=110,
	NET_TCP_ABC=111,

@@ -609,7 +609,7 @@ enum {
/* /proc/sys/net/ipx */
enum {
NET_IPX_PPROP_BROADCASTING=1,
- NET_IPX_FORWARDING=2
+/* NET_IPX_FORWARDING=2*/
};

/* /proc/sys/net/llc */
@@ -619,9 +619,11 @@ enum {
};

/* /proc/sys/net/llc/llc2 */
+#if 0

enum {
	NET_LLC2_TIMEOUT=1,
};

+#endif

/* /proc/sys/net/llc/station */
enum {
@@ -710,7 +712,7 @@ enum

/* /proc/sys/net/decnet/ */
enum {
- NET_DECNET_NODE_TYPE = 1,
+/* NET_DECNET_NODE_TYPE = 1,*/
NET_DECNET_NODE_ADDRESS = 2,
NET_DECNET_NODE_NAME = 3,
NET_DECNET_DEFAULT_DEVICE = 4,
@@ -742,12 +744,12 @@ enum {
/* /proc/sys/net/decnet/conf/<dev>/ */
enum {
NET_DECNET_CONF_DEV_PRIORITY = 1,
- NET_DECNET_CONF_DEV_T1 = 2,
+/* NET_DECNET_CONF_DEV_T1 = 2,*/

	NET_DECNET_CONF_DEV_T2 = 3,
	NET_DECNET_CONF_DEV_T3 = 4,
	NET_DECNET_CONF_DEV_FORWARDING = 5,

- NET_DECNET_CONF_DEV_BLKSIZE = 6,
- NET_DECNET_CONF_DEV_STATE = 7
+/* NET_DECNET_CONF_DEV_BLKSIZE = 6,*/
+/* NET_DECNET_CONF_DEV_STATE = 7*/
};

/* /proc/sys/net/sctp */
@@ -784,14 +786,14 @@ enum

{
	FS_NRINODE=1,	/* int:current number of allocated inodes */
	FS_STATINODE=2,

- FS_MAXINODE=3, /* int:maximum number of inodes that can be allocated */
- FS_NRDQUOT=4, /* int:current number of allocated dquots */
- FS_MAXDQUOT=5, /* int:maximum number of dquots that can be allocated */
+/* FS_MAXINODE=3,*//* int:maximum number of inodes that can be allocated */
+/* FS_NRDQUOT=4,*/ /* int:current number of allocated dquots */
+/* FS_MAXDQUOT=5,*//* int:maximum number of dquots that can be allocated */
FS_NRFILE=6, /* int:current number of allocated filedescriptors */
FS_MAXFILE=7, /* int:maximum number of filedescriptors that can be allocated */
FS_DENTRY=8,
- FS_NRSUPER=9, /* int:current number of allocated super_blocks */
- FS_MAXSUPER=10, /* int:maximum number of super_blocks that can be allocated */
+/* FS_NRSUPER=9,*/ /* int:current number of allocated super_blocks */
+/* FS_MAXSUPER=10,*//* int:maximum number of super_blocks that can be allocated */

	FS_OVERFLOWUID=11,	/* int: overflow UID */
	FS_OVERFLOWGID=12,	/* int: overflow GID */
	FS_LEASES=13,	/* int: leases enabled */
@@ -822,7 +824,7 @@ enum {
/* CTL_DEV names: */
enum {
	DEV_CDROM=1,
-	DEV_HWMON=2,
+/*	DEV_HWMON=2,*/
	DEV_PARPORT=3,
	DEV_RAID=4,
	DEV_MAC_HID=5,

@@ -880,12 +882,12 @@ enum {

/* /proc/sys/dev/mac_hid */
enum {
- DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES=1,
- DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES=2,
+/* DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES=1,*/
+/* DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES=2,*/
DEV_MAC_HID_MOUSE_BUTTON_EMULATION=3,
DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE=4,
DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE=5,
- DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES=6
+/* DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES=6*/
};

/* /proc/sys/dev/scsi */
@@ -899,6 +901,7 @@ enum {
};

/* /proc/sys/abi */
+#if 0
enum
{
ABI_DEFHANDLER_COFF=1, /* default handler for coff binaries */
@@ -908,6 +911,7 @@ enum

	ABI_TRACE=5,		/* tracing flags */
	ABI_FAKE_UTSNAME=6,	/* fake target utsname information */
};

+#endif

#ifdef __KERNEL__
#include <linux/list.h>

NAK as all hell.

This file exports an interface to userspace, and thus should be maintained indefinitely.

-hpa

Oh, then I misunderstood Eric W. Bieders' message about comment out unused numbers.

But just of interest; what happens when userspace use a number not used in the kernel (except in sysctl.h)? Is it just a no-op?

Richard Knutsson