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2007-08-12Pull bugzilla-8842 into release branchLen Brown
2007-08-12Pull bugzilla-3774 into release branchLen Brown
2007-08-12pull asus sony thinkpad into release branchLen Brown
2007-08-12ACPI: thermal: create "thermal.act=" to disable or override active trip pointLen Brown
thermal.act=-1 disables all active trip points in all ACPI thermal zones. thermal.act=C, where C > 0, overrides all lowest temperature active trip points in all thermal zones to C degrees Celsius. Raising this trip-point may allow you to keep your system silent up to a higher temperature. However, it will not allow you to raise the lowest temperature trip point above the next higher trip point (if there is one). Lowering this trip point may kick in the fan sooner. Note that overriding this trip-point will disable any BIOS attempts to implement hysteresis around the lowest temperature trip point. This may result in the fan starting and stopping frequently if temperature frequently crosses C. WARNING: raising trip points above the manufacturer's defaults may cause the system to run at higher temperature and shorten its life. Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-12ACPI: thermal: create "thermal.nocrt" to disable critical actionsLen Brown
thermal.nocrt=1 disables actions on _CRT and _HOT ACPI thermal zone trip-points. They will be marked as <disabled> in /proc/acpi/thermal_zone/*/trip_points. There are two cases where this option is used: 1. Debugging a hot system crossing valid trip point. If your system fan is spinning at full speed, be sure that the vent is not clogged with dust. Many laptops have very fine thermal fins that are easily blocked. Check that the processor fan-sink is properly seated, has the proper thermal grease, and is really spinning. Check for fan related options in BIOS SETUP. Sometimes there is a performance vs quiet option. Defaults are generally the most conservative. If your fan is not spinning, yet /proc/acpi/fan/ has files in it, please file a Linux/ACPI bug. WARNING: you risk shortening the lifetime of your hardware if you use this parameter on a hot system. Note that this refers to all system components, including the disk drive. 2. Working around a cool system crossing critical trip point due to erroneous temperature reading. Try again with CONFIG_HWMON=n There is known potential for conflict between the the hwmon sub-system and the ACPI BIOS. If this fixes it, notify lm-sensors@lm-sensors.org and linux-acpi@vger.kernel.org Otherwise, file a Linux/ACPI bug, or notify just linux-acpi@vger.kernel.org. Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-12ACPI: thermal: create "thermal.psv=" to override passive trip pointsLen Brown
"thermal.psv=-1" disables passive trip points for all ACPI thermal zones. "thermal.psv=C", where 'C' is degrees Celsius, overrides all existing passive trip points for all ACPI thermal zones. thermal.psv is checked at module load time, and in response to trip-point change events. Note that if the system does not deliver thermal zone temperature change events near the new trip-point, then it will not be noticed. To force your custom trip point to be noticed, you may need to enable polling: eg. thermal.tzp=3000 invokes polling every 5 minutes. Note that once passive thermal throttling is invoked, it has its own internal Thermal Sampling Period (_TSP), that is unrelated to _TZP. WARNING: disabling or raising a thermal trip point may result in increased running temperature and shorter hardware lifetime on some systems. Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-12ACPI: thermal: expose "thermal.tzp=" to set global polling frequencyLen Brown
Thermal Zone Polling frequency (_TZP) is an optional ACPI object recommending the rate that the OS should poll the associated thermal zone. If _TZP is 0, no polling should be used. If _TZP is non-zero, then the platform recommends that the OS poll the thermal zone at the specified rate. The minimum period is 30 seconds. The maximum period is 5 minutes. (note _TZP and thermal.tzp units are in deci-seconds, so _TZP = 300 corresponds to 30 seconds) If _TZP is not present, ACPI 3.0b recommends that the thermal zone be polled at an "OS provided default frequency". However, common industry practice is: 1. The BIOS never specifies any _TZP 2. High volume OS's from this century never poll any thermal zones Ie. The OS depends on the platform's ability to provoke thermal events when necessary, and the "OS provided default frequency" is "never":-) There is a proposal that ACPI 4.0 be updated to reflect common industry practice -- ie. no _TZP, no polling. The Linux kernel already follows this practice -- thermal zones are not polled unless _TZP is present and non-zero. But thermal zone polling is useful as a workaround for systems which have ACPI thermal control, but have an issue preventing thermal events. Indeed, some Linux distributions still set a non-zero thermal polling frequency for this reason. But rather than ask the user to write a polling frequency into all the /proc/acpi/thermal_zone/*/polling_frequency files, here we simply document and expose the already existing module parameter to do the same at system level, to simplify debugging those broken platforms. Note that thermal.tzp is a module-load time parameter only. Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-12ACPI: thermal: create "thermal.off=1" to disable ACPI thermal supportLen Brown
"thermal.off=1" disables all ACPI thermal support at boot time. CONFIG_ACPI_THERMAL=n can do this at build time. "# rmmod thermal" can do this at run time, as long as thermal is built as a module. WARNING: On some systems, disabling ACPI thermal support will cause the system to run hotter and reduce the lifetime of the hardware. Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-11ACPI: thinkpad-acpi: fix sysfs paths in documentationHenrique de Moraes Holschuh
The documentation used "thinkpad-acpi" to refer to the directories in sysfs, while it should have been using "thinkpad_acpi". Thanks to Hugh Dickins for the error report. I wish I could just call the module and everything else by the proper name with the "-", instead of using these ugly translations to "_". Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-11i386: Add warning in Documentation that zero-page is not a stable ABIAndi Kleen
Some people writing boot loaders seem to falsely belief the 32bit zero page is a stable interface for out of tree code like the real mode boot protocol. Add a comment clarifying that is not true. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11docs: note about select in kconfig-language.txtJarek Poplawski
A warning note from Sam Ravnborg about kconfig's select evilness, dependencies and the future (slightly corrected). Signed-off-by: Jarek Poplawski <jarkao2@o2.pl> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Documentation: sysrq, description of 'h' slightly inaccurateJesper Juhl
In Documentation/sysrq.txt, the description of 'h' says that any key not listed *above* will generate help. That's obviously not true since all the keys listed below 'h' will do what they are described to do, not display help. So change the text so that it says that any key not listed in the table will generate help, which is what really happens. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11kernel-parameters.txt : watchdog.txt should be wdt.txtGabriel C
Documentation/watchdog/watchdog.txt does not exist, it is Documentation/watchdog/wdt.txt Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Memory hotplug documentYasunori Goto
This is add a document for memory hotplug to describe "How to use" and "Current status". Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11pvr2fb: update Documentation/fb/pvr2fb.txtAdrian McMenamin
The current version is very old and does not correctly specify how to set the video mode. Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09SLUB: Fix format specifier in Documentation/vm/slabinfo.cJesper Juhl
There's a little problem in Documentation/vm/slabinfo.c The code is using "%d" in a printf() call to print an 'unsigned long'. This patch corrects it to use "%lu" instead. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Christoph Lameter <clameter@sgi.com>
2007-08-09remove dubious legal statment from uio-howtoAlan Cox
UIO currently contains a rather dubious statement which wants removing. The actual questions around whether user space code that depends tightly on kernel GPL code designed to co-work with it are derivative works of the kernel is extremely complex, and since we don't have space for either a masters length essay on legal issues or need to start flamewars lets simply remove the comment and leave law to lawyers Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <tovalds@linux-foundation.org>
2007-08-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: (61 commits) sched: refine negative nice level granularity sched: fix update_stats_enqueue() reniced codepath sched: round a bit better sched: make the multiplication table more accurate sched: optimize update_rq_clock() calls in the load-balancer sched: optimize activate_task() sched: clean up set_curr_task_fair() sched: remove __update_rq_clock() call from entity_tick() sched: move the __update_rq_clock() call to scheduler_tick() sched debug: remove the 'u64 now' parameter from print_task()/_rq() sched: remove the 'u64 now' local variables sched: remove the 'u64 now' parameter from deactivate_task() sched: remove the 'u64 now' parameter from dequeue_task() sched: remove the 'u64 now' parameter from enqueue_task() sched: remove the 'u64 now' parameter from dec_nr_running() sched: remove the 'u64 now' parameter from inc_nr_running() sched: remove the 'u64 now' parameter from dec_load() sched: remove the 'u64 now' parameter from inc_load() sched: remove the 'u64 now' parameter from update_curr_load() sched: remove the 'u64 now' parameter from ->task_new() ...
2007-08-09lguest: avoid shared libraries mapped over guest memoryRonald G. Minnich
Some versions of ld.so mmap the shared libraries right in over guest memory, so compile lguest statically by default. [ FC7 maps shared libraries very low, where the launcher maps guest's physical memory. Quick fix is to link Launcher static, real fix is for 2.6.24. ] -static is a simple fix. I expect this problem will be more common than we like, as different distro's make different "improvements" to ld.so Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09sched: document nice levelsIngo Molnar
Document the design thinking behind nice levels. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-08-09sched: mention CONFIG_SCHED_DEBUG in documentationThomas Voegtle
a little hint to switch on CONFIG_SCHED_DEBUG should be given. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-08-02[x86 setup] Document grub < 0.93 as brokenH. Peter Anvin
Grub older than 0.93 are broken when the kernel setup is bigger than 8K. This was fixed in 2002, and 0.93 was the first grub version which fixed this bug. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2007-07-31Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6Linus Torvalds
* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: hwmon: fscher read control bugfix hwmon: (adm1031) Fix broken links in documentation hwmon: make abituguru3_read_increment_offset() static hwmon: Fix regression caused by typo in lm90.c hwmon: (applesmc) add temperature sensors set for Macbook hwmon: fscher control update bugfix hwmon: fix dme1737 temp fault attribute hwmon: Add missing __devexit tags in various drivers hwmon: clean up duplicate includes hwmon: fix lm78 detection regression hwmon: fix array overruns in lm93.c hwmon: add support for THMC50 and ADM1022
2007-07-31hpet.txt: broken link fixDave Young
The specification link in hpet document is broken. Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31docbook bad file referencesRandy Dunlap
Fix docbook warnings: Warning(linux-2.6.22-git12//drivers/base/power/main.c): no structured comments found Warning(linux-2.6.22-git12//include/linux/splice.h): no structured comments found Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31spidev_test utilityAnton Vorontsov
This is a simple utility used to test SPI functionality. It could stand growing options to support using other test data patterns; this initial version only issues full duplex transfers, which rules out 3WIRE or Microwire links. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31Fix a typo in Documentation/keys.txtSatyam Sharma
Signed-off-by: Satyam Sharma <satyam@infradead.org> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31Doc: DMA-API updateRandy Dunlap
Fix typos and update function parameters. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Muli Ben-Yehuda <muli@il.ibm.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31Documentation: document HFSPlusWyatt Banks
Documentation: document HFSPlus filesystem and its mount options. Signed-off-by: Wyatt Banks <wyatt@banksresearch.com> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31revert "x86, serial: convert legacy COM ports to platform devices"Andrew Morton
Revert 7e92b4fc345f5b6f57585fbe5ffdb0f24d7c9b26. It broke Sébastien Dugué's machine and Jeff said (persuasively) This seems like it will break decades-long-working stuff, in favor of breaking new ground in our favorite area, "trusting the BIOS." It's just not worth it for serial ports, IMO. Serial ports are something that just shouldn't break at this late stage in the game. My new Intel platform boxes don't even have serial ports, so I question the value of messing with serial port probing even more... because... just wait a year, and your box won't have a serial port either! :) I certainly don't object to the use of platform devices (or isa_driver), but the probe change seems questionable. That's sorta analagous to rewriting the floppy driver probe routine. Sure you could do it... but why risk all that damage and go through debugging all over again? It seems clear from this report that we cannot, should not, trust BIOS for something (a) so simple and (b) that has been working for over a decade. Much discussion ensued and we've decided to have another go at all of this. Cc: Sébastien Dugué <sebastien.dugue@bull.net> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Len Brown <lenb@kernel.org> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Jeff Garzik <jeff@garzik.org> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Cc: Sascha Sommer <saschasommer@freenet.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31doc/kernel-parameters: use X86-32 tag instead of IA-32Alan Cox
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31pnp: fix kernel-doc warningsRandy Dunlap
Fix PNP docbook warnings: Warning(linux-2623-rc1g4//drivers/pnp/core.c): no structured comments found Warning(linux-2623-rc1g4//drivers/pnp/driver.c): no structured comments found Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31various doc/kernel-parameters fixesRandy Dunlap
- tell what APIC (by request), MTD, & PARIDE mean - correct some source file names - remove IA64 "llsc*=" (seems to have been removed from source tree) - removel SCSI "53c7xx=" (driver already removed) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31update dontdiff fileRandy Dunlap
Updates based on recent .gitignore updates: *.o.*: Says Alexey Dobriyan: These are presumably temporary gcc files, which aren't interesting. setup.bin, setup.elf: new x86 boot code files (from Matthew Wilcox) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-30hwmon: (adm1031) Fix broken links in documentationJean Delvare
The Analog Devices chip information pages moved to a different location. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-30hwmon: add support for THMC50 and ADM1022Krzysztof Helt
This patch adds support for THMC50 and ADM1022 hardware monitoring chips. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-30kobject: update documentationCornelia Huck
Update kobject documentation: - Update structure definitions. - Remove documentation of removed struct subsystem. (First shot, uevent_ops probably need some documentation as well.) Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-30stable_api_nonsense.txt: Disambiguate the use of "this" by using "that" to ↵Juan Lang
refer to the syscall interface Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-30Fix Doc/sysfs-rules typosRandy Dunlap
Fix typos only (spelling, grammar, duplicate words, etc.). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Kay Sievers <kay.sievers@vrfy.org Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-30HOWTO: sync Japanese HOWTOTsugikazu Shibata
Signed-off-by: Tsugikazu Shibata <tshibata@ab.jp.nec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-30HOWTO: adjust translation header of Japanese stable_api_nonsense.txtIKEDA, Munehiro
Signed-off-by: IKEDA, Munehiro <m-ikeda@ds.jp.nec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-28Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Fix sclp_vt220 error handling. [S390] cio: Reorganize initialization. [S390] cio: Make CIO_* macros safe if dbfs are not available. [S390] cio: Clean up messages. [S390] Fix IRQ tracing. [S390] vmur: fix diag14_read. [S390] Wire up sys_fallocate. [S390] add types.h include to s390_ext.h [S390] cio: Remove deprecated rdc/rcd. [S390] Get rid of new section mismatch warnings. [S390] sclp: kill unused SCLP config option. [S390] cio: Remove remains of _ccw_device_get_device_number(). [S390] cio: css_sch_device_register() can be made static. [S390] Improve __smp_call_function_map. [S390] Convert to smp_call_function_single.
2007-07-28Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: docbook: add pipes, other fixes blktrace: use cpu_clock() instead of sched_clock() bsg: Fix build for CONFIG_BLOCK=n [patch] QUEUE_FLAG_READFULL QUEUE_FLAG_WRITEFULL comment fix
2007-07-27[S390] cio: Remove deprecated rdc/rcd.Cornelia Huck
http://marc.info/?l=linux-kernel&m=118481061928246&w=2 seems to indicate disfavour of "deprecated", so let's just kill it now. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-07-27docbook: add pipes, other fixesRandy Dunlap
Fix some typos in pipe.c and splice.c. Add pipes API to kernel-api.tmpl. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-27AGP: document boot optionsChuck Ebbert
Add documentation for AGP boot options. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2007-07-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: [PATCH] sched: debug feature - make the sched-domains tree runtime-tweakable [PATCH] sched: add above_background_load() function [PATCH] sched: update Documentation/sched-stats.txt [PATCH] sched: mark sysrq_sched_debug_show() static [PATCH] sched: make cpu_clock() not use the rq clock [PATCH] sched: remove unused rq->load_balance_class [PATCH] sched: arch preempt notifier mechanism [PATCH] sched: increase SCHED_LOAD_SCALE_FUZZ
2007-07-26lguest: documentation VII: FIXMEsRusty Russell
Documentation: The FIXMEs Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-26lguest: documentation IV: LauncherRusty Russell
Documentation: The Launcher Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-26lguest: documentation I: PreparationRusty Russell
The netfilter code had very good documentation: the Netfilter Hacking HOWTO. Noone ever read it. So this time I'm trying something different, using a bit of Knuthiness. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>