Eric Dumazet f86dcc5aa8 udp: dynamically size hash tables at boot time ... UDP_HTABLE_SIZE was initialy defined to 128, which is a bit small for several setups. 4000 active UDP sockets -> 32 sockets per chain in average. An incoming frame has to lookup all sockets to find best match, so long chains hurt latency. Instead of a fixed size hash table that cant be perfect for every needs, let UDP stack choose its table size at boot time like tcp/ip route, using alloc_large_system_hash() helper Add an optional boot parameter, uhash_entries=x so that an admin can force a size between 256 and 65536 if needed, like thash_entries and rhash_entries. dmesg logs two new lines : [ 0.647039] UDP hash table entries: 512 (order: 0, 4096 bytes) [ 0.647099] UDP Lite hash table entries: 512 (order: 0, 4096 bytes) Maximal size on 64bit arches would be 65536 slots, ie 1 MBytes for non debugging spinlocks. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2009-10-07 22:00:22 -07:00
..
ABI	cciss: Add usage_count attribute to each logical drive in /sys	2009-10-01 21:15:44 +02:00
accounting	Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS	2009-09-23 07:39:28 -07:00
acpi	ACPI: update debug parameter documentation	2008-11-07 21:45:29 -05:00
aoe
arm	ARM: 5738/1: Correct TCM documentation	2009-10-01 16:26:16 +01:00
auxdisplay	includecheck fix: Documentation, cfag12864b-example.c	2009-09-24 07:20:57 -07:00
blackfin	Blackfin arch: Add document about bfin-gpio	2009-01-07 23:14:38 +08:00
block	Trivial typo fixes in Documentation/block/data-integrity.txt.	2009-07-01 10:56:25 +02:00
blockdev	mflash: initial support	2009-04-07 08:12:38 +02:00
cdrom	debugfs: Fix terminology inconsistency of dir name to mount debugfs filesystem.	2009-06-15 21:30:28 -07:00
cgroups	memory controller: soft limit documentation	2009-09-24 07:20:59 -07:00
connector	connector: Provide the sender's credentials to the callback	2009-10-02 10:54:01 -07:00
console
cpu-freq	[CPUFREQ] update Doc for cpuinfo_cur_freq and scaling_cur_freq	2009-09-01 12:45:09 -04:00
cpuidle
cris	fix random typos	2008-10-16 11:21:30 -07:00
crypto	async_tx: add support for asynchronous RAID6 recovery operations	2009-08-29 19:09:27 -07:00
development-process	docs: Encourage better changelogs in the development process document	2009-06-04 10:32:49 -06:00
device-mapper	dm raid1: add userspace log	2009-06-22 10:12:35 +01:00
DocBook	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2009-09-22 07:51:45 -07:00
driver-model	driver model: fix show/store prototypes in doc.	2009-07-12 13:02:10 -07:00
dvb	V4L/DVB (12902): Documentation: synchronize documentation for Technisat cards	2009-09-19 00:14:32 -03:00
early-userspace
fault-injection	debugfs: Fix terminology inconsistency of dir name to mount debugfs filesystem.	2009-06-15 21:30:28 -07:00
fb	matroxfb: make CONFIG_FB_MATROX_MULTIHEAD=y mandatory	2009-09-23 07:39:56 -07:00
filesystems	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4	2009-09-30 09:32:30 -07:00
firmware_class	driver core: fix documentation of request_firmware_nowait	2009-06-15 21:30:24 -07:00
frv
hwmon	ltc4215/ltc4245: Discard obsolete detect methods	2009-10-04 22:53:42 +02:00
i2c	i2c: Minor documentation update	2009-10-04 22:53:45 +02:00
i2o
ia64	Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS	2009-09-23 07:39:28 -07:00
ide	ide: preserve Host Protected Area by default (v2)	2009-06-07 13:52:52 +02:00
infiniband	IPoIB: Document newish features	2009-04-08 13:52:01 -07:00
input	Input: add new driver for Sentelic Finger Sensing Pad	2009-08-19 21:46:09 -07:00
ioctl	drivers/char/uv_mmtimer.c: add memory mapped RTC driver for UV	2009-09-24 07:21:03 -07:00
isdn	gigaset: add Kernel CAPI interface (v3)	2009-10-06 22:43:53 -07:00
ja_JP	block: rename CONFIG_LBD to CONFIG_LBDAF	2009-06-19 08:08:50 +02:00
kbuild	kbuild: introduce ld-option	2009-09-20 12:27:42 +02:00
kdump	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
ko_KR
kvm	KVM: Document KVM_CAP_IRQCHIP	2009-09-10 10:46:55 +03:00
laptops	Merge branch 'thinkpad-2.6.32-part2' into release	2009-09-26 01:08:55 -04:00
lguest	lguest: don't force VIRTIO_F_NOTIFY_ON_EMPTY	2009-09-23 22:26:47 +09:30
m68k
make
mips	ide: remove unused CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ	2009-01-14 19:19:03 +01:00
misc-devices	max6875: Discard obsolete detect method	2009-10-04 22:53:41 +02:00
mn10300	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
mtd	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
namespaces
netlabel
networking	make TLLAO option for NA packets configurable	2009-10-07 01:10:45 -07:00
parisc
PCI	PCI: document PCIe fundamental reset interfaces	2009-09-09 13:29:38 -07:00
pcmcia	Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS	2009-09-23 07:39:28 -07:00
power	Merge git://git.infradead.org/battery-2.6	2009-09-23 10:11:08 -07:00
powerpc	Merge git://git.infradead.org/mtd-2.6	2009-09-23 10:07:49 -07:00
pps	LinuxPPS: core support	2009-06-18 13:04:04 -07:00
prctl
RCU	rcu: Remove CONFIG_PREEMPT_RCU	2009-08-23 10:32:40 +02:00
s390	[S390] s390dbf: Add description for usage of "%s" in sprintf events	2009-09-11 10:29:53 +02:00
scheduler	sched: Documentation/sched-rt-group: Fix style issues & bump version	2009-06-21 13:12:46 +02:00
scsi	trivial: fix typos "man[ae]g?ment" -> "management"	2009-09-21 15:14:56 +02:00
serial	Create/use more directory structure in the Documentation/ tree.	2008-11-14 17:28:53 +00:00
sh	sh: Kill off remaining CONFIG_SH_KGDB bits.	2008-12-22 18:44:05 +09:00
sound	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6	2009-10-03 11:25:30 -07:00
sparc	sparc: Remove Documentation/sparc/sbus_drivers.txt	2008-08-29 02:15:25 -07:00
spi	spi: fix spelling of `automatically' in documentation	2009-09-23 07:39:44 -07:00
sysctl	Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6	2009-09-24 07:53:22 -07:00
telephony	remove mention of CONFIG_KMOD from documentation	2008-07-22 19:24:29 +10:00
thermal
timers	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
trace	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2009-09-22 07:51:45 -07:00
uml
usb	USB: Fix sysfs paths in documentation	2009-09-23 06:46:41 -07:00
video4linux	Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS	2009-09-23 07:39:28 -07:00
vm	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6	2009-09-24 08:32:11 -07:00
w1	ds2482: Discard obsolete detect method	2009-10-04 22:53:41 +02:00
watchdog	Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS	2009-09-23 07:39:28 -07:00
wimax	i2400m: documentation and instructions for usage	2009-01-07 10:00:18 -08:00
x86	USB: ehci-dbgp,documentation: Documentation updates for ehci-dbgp	2009-09-23 06:46:39 -07:00
zh_CN
00-INDEX	Bluetooth: Add documentation for Marvell Bluetooth driver	2009-08-22 14:25:32 -07:00
applying-patches.txt
atomic_ops.txt	Documentation/atomic_ops.txt: fix sample code	2009-06-16 19:47:52 -07:00
bad_memory.txt	Document handling of bad memory	2008-12-03 16:09:53 -07:00
basic_profiling.txt
binfmt_misc.txt
braille-console.txt	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
bt8xxgpio.txt	gpio: add bt8xxgpio driver	2008-07-25 10:53:30 -07:00
btmrvl.txt	Bluetooth: Add documentation for Marvell Bluetooth driver	2009-08-22 14:25:32 -07:00
BUG-HUNTING
c2port.txt	Add c2 port support	2008-11-12 17:17:18 -08:00
cachetlb.txt
Changes	Documentation/Changes: perl is needed to build the kernel	2009-06-18 13:03:46 -07:00
CodingStyle	trivial: fix typo milisecond/millisecond for documentation and source comments.	2009-06-12 18:01:46 +02:00
cpu-hotplug.txt	x86: use possible_cpus=NUM to extend the possible cpus allowed	2008-12-18 12:08:05 +01:00
cpu-load.txt
cputopology.txt	cpumask: Use topology_core_cpumask()/topology_thread_cpumask()	2009-01-11 19:12:49 +01:00
credentials.txt	CRED: Documentation	2008-11-14 10:39:26 +11:00
dcdbas.txt
debugging-modules.txt
debugging-via-ohci1394.txt
dell_rbu.txt	trivial: Documentation/dell_rbu.txt: fix typos	2009-06-12 18:01:50 +02:00
devices.txt	lanana: assign a device name and numbering for MAX3100	2009-04-07 08:44:05 -07:00
DMA-API.txt	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
DMA-attributes.txt	powerpc/cell: Add DMA_ATTR_WEAK_ORDERING dma attribute and use in Cell IOMMU code	2008-07-22 10:39:36 +10:00
DMA-ISA-LPC.txt
DMA-mapping.txt	dma-mapping: update the old macro DMA_nBIT_MASK related documentations	2009-04-07 08:31:12 -07:00
dmaengine.txt	async_tx, dmaengine: document channel allocation and api rework	2009-01-05 18:10:19 -07:00
dontdiff	sparc: Kill PROM console driver.	2009-09-15 17:04:38 -07:00
dynamic-debug-howto.txt	Dynamic debug: allow simple quoting of words	2009-03-24 16:38:27 -07:00
edac.txt	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
eisa.txt
email-clients.txt	Documentation/email-clients.txt: add some info about gmail	2008-11-06 15:41:19 -08:00
feature-removal-schedule.txt	hwmon: Delete deprecated FSC drivers	2009-09-23 22:59:42 +02:00
flexible-arrays.txt	Document the flex_array library.	2009-09-10 14:33:36 -06:00
futex-requeue-pi.txt	futex: add requeue-pi documentation	2009-05-09 07:12:50 +02:00
gcov.txt	trivial: fix typo in CONFIG_DEBUG_FS in gcov doc	2009-09-21 15:14:56 +02:00
gpio.txt	gpiolib: allow poll() on value	2009-09-23 07:39:48 -07:00
highuid.txt
HOWTO	Remove Andrew Morton's http://www.zip.com.au/~akpm/	2008-10-16 11:21:32 -07:00
hw_random.txt
ics932s401	ics932s401: new clock generator chip driver	2008-11-12 17:17:18 -08:00
initrd.txt
Intel-IOMMU.txt	intel-iommu: Kill DMAR_BROKEN_GFX_WA option.	2009-09-19 09:37:23 -07:00
intel_txt.txt	x86, intel_txt: Intel TXT boot support	2009-07-21 11:49:06 -07:00
io-mapping.txt	io mapping: improve documentation	2008-11-03 18:21:44 +01:00
IO-mapping.txt	Documentation: move DMA-mapping.txt to Doc/PCI/	2009-01-29 18:19:29 -08:00
io_ordering.txt
iostats.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	2008-07-26 12:00:06 -07:00
IPMI.txt
IRQ-affinity.txt	genirq: Expose default irq affinity mask (take 3)	2008-06-05 15:18:30 +02:00
IRQ.txt
irqflags-tracing.txt
isapnp.txt
java.txt
kernel-doc-nano-HOWTO.txt	kernel-doc: allow multi-line declaration purpose descriptions	2009-09-18 09:48:52 -07:00
kernel-docs.txt	doc: update to URL and status of kernel-docs.txt entry	2008-06-06 11:29:10 -07:00
kernel-parameters.txt	udp: dynamically size hash tables at boot time	2009-10-07 22:00:22 -07:00
keys-request-key.txt
keys.txt	KEYS: Add a keyctl to install a process's session keyring on its parent [try #6]	2009-09-02 21:29:22 +10:00
kmemcheck.txt	kmemcheck: update documentation	2009-07-01 22:36:22 +02:00
kmemleak.txt	kmemleak: add clear command support	2009-09-08 16:36:08 +01:00
kobject.txt	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
kprobes.txt	debugfs: Fix terminology inconsistency of dir name to mount debugfs filesystem.	2009-06-15 21:30:28 -07:00
kref.txt	kref: double kref_put() in my_data_handler()	2009-09-18 09:48:52 -07:00
ldm.txt
leds-class.txt	led: document sysfs interface	2009-08-28 15:21:12 -04:00
leds-lp3944.txt	leds: LED driver for National Semiconductor LP3944 Funlight Chip	2009-06-23 20:21:38 +01:00
local_ops.txt	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
lockdep-design.txt	lockdep: Fix typos in documentation	2009-08-07 12:03:46 +02:00
lockstat.txt	lockstat: contend with points	2008-10-20 15:43:10 +02:00
logo.gif	Revert "linux.conf.au 2009: Tuz"	2009-04-27 12:00:27 -07:00
logo.txt	Revert "linux.conf.au 2009: Tuz"	2009-04-27 12:00:27 -07:00
magic-number.txt	documentation: update header file paths	2009-01-06 15:59:28 -08:00
Makefile	docsrc: build Documentation/ sources	2008-08-12 16:07:30 -07:00
ManagementStyle	docs: fix ManagementStyle book name	2008-10-30 11:38:46 -07:00
mca.txt
md.txt	Documentation/md.txt update	2009-03-31 15:18:37 +11:00
memory-barriers.txt	sched: Document memory barriers implied by sleep/wake-up primitives	2009-04-29 14:15:55 +02:00
memory-hotplug.txt	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
memory.txt	Documentation/memory.txt: remove some very outdated recommendations	2009-09-22 07:17:26 -07:00
mono.txt
mutex-design.txt
nmi_watchdog.txt	x86, nmi-watchdog: update procfs nmi_watchdog file documentation v2	2008-10-30 19:07:04 +01:00
nommu-mmap.txt	NOMMU: Make mmap allocation page trimming behaviour configurable.	2009-01-08 12:04:47 +00:00
numastat.txt	mm: fix NUMA accounting in numastat.txt	2009-09-22 07:17:39 -07:00
oops-tracing.txt
parport-lowlevel.txt
parport.txt
pi-futex.txt
pnp.txt
preempt-locking.txt
printk-formats.txt	DOC: add printk-formats.txt	2008-11-12 17:17:17 -08:00
prio_tree.txt
rbtree.txt	trivial: rbtree.txt: fix rb_entry() parameters in sample code	2009-06-12 18:01:47 +02:00
rfkill.txt	rfkill: export persistent attribute in sysfs	2009-06-19 11:50:18 -04:00
robust-futex-ABI.txt	futex: documentation: fix inconsistent description of futex list_op_pending	2009-06-18 13:03:56 -07:00
robust-futexes.txt
rt-mutex-design.txt
rt-mutex.txt
rtc.txt	rtc: add boot_timesource sysfs attribute	2009-09-23 07:39:46 -07:00
SAK.txt	Remove Andrew Morton's old email accounts	2008-10-16 11:21:32 -07:00
SecurityBugs
SELinux.txt	selinux: add support for installing a dummy policy (v2)	2008-08-27 08:54:08 +10:00
serial-console.txt
sgi-ioc4.txt
sgi-visws.txt
slow-work.txt	Document the slow work thread pool	2009-04-03 16:42:35 +01:00
SM501.txt	trivial: Miscellaneous documentation typo fixes	2009-06-12 18:01:47 +02:00
Smack.txt	smack: implement logging V3	2009-04-14 09:00:23 +10:00
sparse.txt	Documentation: explain the difference between __bitwise and __bitwise__	2009-04-11 08:18:11 +02:00
spinlocks.txt
stable_api_nonsense.txt
stable_kernel_rules.txt	Update stable tree documentation	2008-10-29 15:03:49 -07:00
SubmitChecklist	block: rename CONFIG_LBD to CONFIG_LBDAF	2009-06-19 08:08:50 +02:00
SubmittingDrivers	Remove Andrew Morton's old email accounts	2008-10-16 11:21:32 -07:00
SubmittingPatches	docs: update patch size in SubmittingPatches	2009-10-01 16:11:12 -07:00
svga.txt
sysfs-rules.txt	Doc/sysfs-rules: Swap the order of the words so the sentence makes more sense	2009-05-08 19:22:20 -07:00
sysrq.txt	sysrq, kdump: make sysrq-c consistent	2009-07-29 19:10:36 -07:00
tomoyo.txt	tomoyo: add Documentation/tomoyo.txt	2009-04-14 09:14:58 +10:00
unaligned-memory-access.txt	introduce HAVE_EFFICIENT_UNALIGNED_ACCESS Kconfig symbol	2008-07-25 10:53:27 -07:00
unicode.txt
unshare.txt
VGA-softcursor.txt
vgaarbiter.txt	PCI/VGA: add VGA arbitration documentation	2009-09-09 13:29:42 -07:00
video-output.txt
volatile-considered-harmful.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	2008-07-26 12:00:06 -07:00
voyager.txt
zorro.txt