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2009-11-17Merge branch 'hostprogs-wmissing-prototypes' of git://git.kernel.org/pub/scm/linux/kernel/git/josh/linux-miscLinus Torvalds1-1/+1
* 'hostprogs-wmissing-prototypes' of git://git.kernel.org/pub/scm/linux/kernel/git/josh/linux-misc: Makefile: Add -Wmising-prototypes to HOSTCFLAGS oss: Mark loadhex static in hex2hex.c dtc: Mark various internal functions static dtc: Set "noinput" in the lexer to avoid an unused function drm: radeon: Mark several functions static in mkregtable arch/sparc/boot/*.c: Mark various internal functions static arch/powerpc/boot/addRamDisk.c: Mark several internal functions static arch/alpha/boot/tools/objstrip.c: Mark "usage" static Documentation/vm/page-types.c: Declare checked_open static genksyms: Mark is_reserved_word static kconfig: Mark various internal functions static kconfig: Make zconf.y work with current bison
2009-11-15Documentation/vm/page-types.c: Declare checked_open staticJosh Triplett1-1/+1
Nothing outside of Documentation/vm/page-types.c references checked_open. Signed-off-by: Josh Triplett <josh@joshtriplett.org>
2009-11-09Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/stagingLinus Torvalds1-1/+1
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c: Add an interface to lock/unlock an I2C bus segment i2c-piix4: Modify code name SB900 to Hudson-2
2009-11-07i2c-piix4: Modify code name SB900 to Hudson-2Crane Cai1-1/+1
Change SB900 to its formal code name Hudson-2. Signed-off-by: Crane Cai <crane.cai@amd.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-11-05Merge branches 'misc', 'eeepc-laptop' and 'bugzilla-14445' into releaseLen Brown1-188/+201
2009-11-05thermal: sysfs-api.txt - document passive attribute for thermal zonesFrans Pop1-0/+9
Signed-off-by: Frans Pop <elendil@planet.nl> Acked-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-11-05thermal: sysfs-api.txt - reformat for improved readabilityFrans Pop1-188/+192
The document currently uses large indentations which make the text too wide for easy readability. Also improve general consistency. Signed-off-by: Frans Pop <elendil@planet.nl> Acked-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-11-02Revert "ext4: Remove journal_checksum mount option and enable it by default"Linus Torvalds1-1/+7
This reverts commit d0646f7b636d067d715fab52a2ba9c6f0f46b0d7, as requested by Eric Sandeen. It can basically cause an ext4 filesystem to miss recovery (and thus get mounted with errors) if the journal checksum does not match. Quoth Eric: "My hand-wavy hunch about what is happening is that we're finding a bad checksum on the last partially-written transaction, which is not surprising, but if we have a wrapped log and we're doing the initial scan for head/tail, and we abort scanning on that bad checksum, then we are essentially running an unrecovered filesystem. But that's hand-wavy and I need to go look at the code. We lived without journal checksums on by default until now, and at this point they're doing more harm than good, so we should revert the default-changing commit until we can fix it and do some good power-fail testing with the fixes in place." See http://bugzilla.kernel.org/show_bug.cgi?id=14354 for all the gory details. Requested-by: Eric Sandeen <sandeen@redhat.com> Cc: Theodore Tso <tytso@mit.edu> Cc: Alexey Fisher <bug-track@fisher-privat.net> Cc: Maxim Levitsky <maximlevitsky@gmail.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Mathias Burén <mathias.buren@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-11-02Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds1-1/+1
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Don't check invalid HP pin ALSA: dummy - Fix descriptions of pcm_substreams parameter ALSA: pcmcia: use dynamic debug infrastructure, deprecate CS_CHECK (sound) ALSA: hda: Use quirk mask for Dell Inspiron Mini9/Vostro A90 using ALC268 sound: via82xx: deactivate DXS controls of inactive streams ALSA: snd-usb-caiaq: Bump version number to 1.3.20 ALSA: snd-usb-caiaq: Lock on stream start/unpause ALSA: snd-usb-caiaq: Missing lock around use of buffer positions ALSA: sound/parisc: Move dereference after NULL test ALSA: sound: Move dereference after NULL test and drop unnecessary NULL tests ALSA: hda_intel: Add the Linux device ID for NVIDIA HDA controller ALSA: pcsp - Fix nforce workaround ALSA: SND_CS5535AUDIO: Remove the X86 platform dependency ASoC: Amstrad Delta: add info about the line discipline requirement to Kconfig help text ASoC: Fix possible codec_dai->ops NULL pointer problems ALSA: hda - Fix capture source checks for ALC662/663 codecs ASoC: Serialize access to dapm_power_widgets()
2009-11-02Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds1-0/+2
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: tracing: Remove cpu arg from the rb_time_stamp() function tracing: Fix comment typo and documentation example tracing: Fix trace_seq_printf() return value tracing: Update *ppos instead of filp->f_pos
2009-11-02ALSA: dummy - Fix descriptions of pcm_substreams parameterTakashi Iwai1-1/+1
Now up to 128 substreams are supported. Reported-by: Adrian Bridgett <adrian@smop.co.uk> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/cpu#/nodeAlex Chiang1-0/+15
Describe NUMA node symlink created for CPUs when CONFIG_NUMA is set. Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/cpuidle/Alex Chiang1-0/+20
Document cpuidle sysfs attributes by reading code, Documentation/cpuidle/, and git logs. Cc: Venki Pallipadi <venkatesh.pallipadi@intel.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/sched_[mc|smt]_power_savingsAlex Chiang1-0/+24
Document sched_[mc|smt]_power_savings by reading existing code and git logs. Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/cpu#/ topology filesAlex Chiang2-17/+69
Add brief descriptions for the following sysfs files: /sys/devices/system/cpu/cpu#/topology/core_id /sys/devices/system/cpu/cpu#/topology/core_siblings /sys/devices/system/cpu/cpu#/topology/core_siblings_list /sys/devices/system/cpu/cpu#/topology/physical_package_id /sys/devices/system/cpu/cpu#/topology/thread_siblings /sys/devices/system/cpu/cpu#/topology/thread_siblings_list The descriptions in Documentation/cputopology.txt weren't very informative, so I attempted a better description based on code reading and hopeful guessing. Updated Documentation/cputopology.txt with the better descriptions and fixed some style issues. Cc: Mike Travis <travis@sgi.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: /sys/devices/system/cpu/ topology filesAlex Chiang1-0/+28
Add brief descriptions for the following sysfs files: /sys/devices/system/cpu/kernel_max /sys/devices/system/cpu/offline /sys/devices/system/cpu/online /sys/devices/system/cpu/possible /sys/devices/system/cpu/present Excerpted the relevant information from Documentation/cputopology.txt and pointed back to cputopology.txt as the authoritative source of information. Cc: Mike Travis <travis@sgi.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: document /sys/devices/system/cpu/Alex Chiang1-0/+12
This interface has been around for a long time, but hasn't been officially documented. Document the top level sysfs directory for CPU attributes. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30Documentation: ABI: rename sysfs-devices-cache_disable properlyAlex Chiang1-0/+0
Rename sysfs-devices-cache_disable to sysfs-devices-system-cpu, in order to keep a stricter correlation between a sysfs directory and its documentation. Reported-by: David Rientjes <rientjes@google.com> Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-29Merge branch 'hwpoison-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6Linus Torvalds1-0/+136
* 'hwpoison-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: HWPOISON: fix invalid page count in printk output HWPOISON: Allow schedule_on_each_cpu() from keventd HWPOISON: fix/proc/meminfo alignment HWPOISON: fix oops on ksm pages HWPOISON: Fix page count leak in hwpoison late kill in do_swap_page HWPOISON: return early on non-LRU pages HWPOISON: Add brief hwpoison description to Documentation HWPOISON: Clean up PR_MCE_KILL interface
2009-10-29hwmon: enhance the sysfs API for power metersDarrick J. Wong1-1/+56
Augment the documentation of the hwmon sysfs API to accomodate ACPI power meters and the current desired behavior of power capping hardware drivers. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-24tracing: Fix comment typo and documentation exampleJiri Olsa1-0/+2
Trivial patch to fix a documentation example and to fix a comment. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20091023233646.871719877@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-10-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds1-1/+0
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: move virtrng_remove to .devexit.text move virtballoon_remove to .devexit.text virtio_blk: Revert serial number support virtio: let header files include virtio_ids.h virtio_blk: revert QUEUE_FLAG_VIRT addition
2009-10-22virtio: let header files include virtio_ids.hChristian Borntraeger1-1/+0
Rusty, commit 3ca4f5ca73057a617f9444a91022d7127041970a virtio: add virtio IDs file moved all device IDs into a single file. While the change itself is a very good one, it can break userspace applications. For example if a userspace tool wanted to get the ID of virtio_net it used to include virtio_net.h. This does no longer work, since virtio_net.h does not include virtio_ids.h. This patch moves all "#include <linux/virtio_ids.h>" from the C files into the header files, making the header files compatible with the old ones. In addition, this patch exports virtio_ids.h to userspace. CC: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-10-18inotify: deprecate the inotify kernel interfaceEric Paris1-0/+8
In 2.6.33 there will be no users of the inotify interface. Mark it for removal as fsnotify is more generic and is easier to use. Signed-off-by: Eric Paris <eparis@redhat.com>
2009-10-15Merge branch 'docs-next' of git://git.lwn.net/linux-2.6Linus Torvalds1-11/+32
* 'docs-next' of git://git.lwn.net/linux-2.6: Update flex_arrays.txt
2009-10-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds1-2/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: gadget: Fix EEM driver comments and VID/PID usb-storage: Workaround devices with bogus sense size USB: ehci: Fix IST boundary checking interval math. USB: option: Support for AIRPLUS MCD650 Datacard USB: whci-hcd: always do an update after processing a halted qTD USB: whci-hcd: handle early deletion of endpoints USB: wusb: don't use the stack to read security descriptor USB: rename Documentation/ABI/.../sysfs-class-usb_host
2009-10-15Update flex_arrays.txtJonathan Corbet1-11/+32
The 2.6.32 merge window brought a number of changes to the flexible array API; this patch updates the documentation to match the new state of affairs. Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2009-10-14Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6Linus Torvalds1-4/+4
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: sbp2: provide fallback if mgt_ORB_timeout is missing ieee1394: add documentation entry to MAINTAINERS ieee1394: update URLs in debugging-via-ohci1394.txt
2009-10-14Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds1-0/+30
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86/paravirt: Use normal calling sequences for irq enable/disable x86: fix kernel panic on 32 bits when profiling x86: Fix Suspend to RAM freeze on Acer Aspire 1511Lmi laptop x86, vmi: Mark VMI deprecated and schedule it for removal
2009-10-14USB: rename Documentation/ABI/.../sysfs-class-usb_hostDavid Vrabel1-2/+2
The usb_host class is no more. Rename its documentation file (which only contained WUSB specific files) to .../sysfs-class-uwb_rc-wusbhc. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-13Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds1-0/+1
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Allow all formats as default for Nvidia HDMI ALSA: aaci: ARM1176 aaci-pl041 AC97 register read timeout ALSA: hda - Fix volume-knob setup for Dell laptops with STAC9228 ALSA: hda - Fix mute sound with STAC9227/9228 codecs ALSA: bt87x - Add a whitelist for Pinnacle PCTV (11bd:0012) ALSA: hda - Fix overflow of spec->init_verbs in patch_realtek.c ALSA: ice1724 - Make call to set hw params succeed on ESI Juli@ ALSA: ice1724: Fix surround on Chaintech AV-710 ALSA: hda - Add full rates/formats support for Nvidia HDMI
2009-10-13Merge branch 'fix/hda' into for-linusTakashi Iwai1-0/+1
2009-10-13ALSA: hda - Fix mute sound with STAC9227/9228 codecsTakashi Iwai1-0/+1
On FSC laptops, the sound gets muted gradually when the volume is chnaged. This is due to the wrong volume-knob widget setup. The delta bit (bit 7) shouldn't be set for these devices. This patch adds a new quirk to set the value 0x7f to the widget 0x24 instead of 0xff. Reference: Novell bnc#546006 http://bugzilla.novell.com/show_bug.cgi?id=546006 Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-10-13ext3: Update documentation about ext3 quota mount optionsJan Kara1-4/+12
Signed-off-by: Jan Kara <jack@suse.cz>
2009-10-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds1-1/+20
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (34 commits) [SCSI] qla2xxx: Fix NULL ptr deref bug in fail path during queue create [SCSI] st: fix possible memory use after free after MTSETBLK ioctl [SCSI] be2iscsi: Moving to pci_pools v3 [SCSI] libiscsi: iscsi_session_setup to allow for private space [SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver [SCSI] zfcp: Fix hang when offlining device with offline chpid [SCSI] zfcp: Fix lockdep warning when offlining device with offline chpid [SCSI] zfcp: Fix oops during shutdown of offline device [SCSI] zfcp: Fix initial device and cfdc for delayed adapter allocation [SCSI] zfcp: correctly initialize unchained requests [SCSI] mpt2sas: Bump version 02.100.03.00 [SCSI] mpt2sas: Support dev remove when phy status is MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT [SCSI] mpt2sas: Timeout occurred within the HANDSHAKE logic while waiting on firmware to ACK. [SCSI] mpt2sas: Call init_completion on a per request basis. [SCSI] mpt2sas: Target Reset will be issued from Interrupt context. [SCSI] mpt2sas: Added SCSIIO, Internal and high priority memory pools to support multiple TM [SCSI] mpt2sas: Copyright change to 2009. [SCSI] mpt2sas: Added mpi2_history.txt for MPI2 headers. [SCSI] mpt2sas: Update driver to MPI2 REV K headers. [SCSI] bfa: Brocade BFA FC SCSI driver ...
2009-10-09Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infinibandLinus Torvalds2-3/+3
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: RDMA/addr: Fix resolution of local IPv6 addresses RDMA/cxgb3: Handle NULL inetdev pointer in iwch_query_port() mlx4_core: Add 40GigE device ID RDMA/iwcm: Don't call provider reject func with irqs disabled IB: Fix typo in udev rule documentation
2009-10-08x86, vmi: Mark VMI deprecated and schedule it for removalAlok Kataria1-0/+30
Add text in feature-removal.txt indicating that VMI will be removed in the 2.6.37 timeframe. Signed-off-by: Alok N Kataria <akataria@vmware.com> Acked-by: Chris Wright <chrisw@sous-sol.org> LKML-Reference: <1254193238.13456.48.camel@ank32.eng.vmware.com> [ removed a bogus Kconfig change, marked (DEPRECATED) in Kconfig ] Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-10-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2-16/+75
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (40 commits) ethoc: limit the number of buffers to 128 ethoc: use system memory as buffer ethoc: align received packet to make IP header at word boundary ethoc: fix buffer address mapping ethoc: fix typo to compute number of tx descriptors au1000_eth: Duplicate test of RX_OVERLEN bit in update_rx_stats() netxen: Fix Unlikely(x) > y pasemi_mac: ethtool get settings fix add maintainer for network drop monitor kernel service tg3: Fix phylib locking strategy rndis_host: support ETHTOOL_GPERMADDR ipv4: arp_notify address list bug gigaset: add kerneldoc comments gigaset: correct debugging output selection gigaset: improve error recovery gigaset: fix device ERROR response handling gigaset: announce if built with debugging gigaset: handle isoc frame errors more gracefully gigaset: linearize skb gigaset: fix reject/hangup handling ...
2009-10-08page-types: add hwpoison/unpoison featureWu Fengguang1-1/+72
For hwpoison stress testing. The debugfs mount point is assumed to be /debug/. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08page-types: introduce kpageflags_flags()Wu Fengguang1-4/+11
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08page-types: make voffset local variablesWu Fengguang1-18/+21
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08page-types: make standalone pagemap/kpageflags read routinesWu Fengguang1-65/+89
Refactor the code to be more modular and easier to reuse. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08page-types: introduce checked_open()Wu Fengguang1-10/+14
This helps merge duplicate code (now and future) and outstand the main logic. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08page-types: add GPL noteWu Fengguang1-1/+4
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08pagemap: document KPF_KSM and show it in page-typesWu Fengguang2-0/+6
It indicates to the system admin that processes mapping such pages may be eating less physical memory than the reported numbers by legacy tools. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: Izik Eidus <ieidus@redhat.com> Acked-by: Chris Wright <chrisw@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08pagemap: export KPF_HWPOISONWu Fengguang2-0/+6
This flag indicates a hardware detected memory corruption on the page. Any future access of the page data may bring down the machine. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08cgroups: update documentation of cgroups tasks and procs filesPaul Menage1-2/+9
Update documentation of cgroups tasks and procs files Document the cgroup.procs file. Clarify the semantics of the cgroup.procs and tasks files. Although the current cgroup.procs interface returns a sorted and uniqified list of pids, potential future performance enhancements could result in those properties being removed - explicitly document this aspect of the API. There are no existing users of cgroup.procs, so compatibility isn't an issue. There are users of the "tasks" file, but none that would appear to break in the event of the sorted property being broken. The standard "libcpuset" explicitly sorts the results of reading from the tasks file, and "libcg" and other users don't appear to care about ordering. Signed-off-by: Paul Menage <menage@google.com> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-08ksm: more on default valuesHugh Dickins1-6/+7
Adjust the max_kernel_pages default to a quarter of totalram_pages, instead of nr_free_buffer_pages() / 4: the KSM pages themselves come from highmem, and even on a 16GB PAE machine, 4GB of KSM pages would only be pinning 32MB of lowmem with their rmap_items, so no need for the more obscure calculation (nor for its own special init function). There is no way for the user to switch KSM on if CONFIG_SYSFS is not enabled, so in that case default run to KSM_RUN_MERGE. Update KSM Documentation and Kconfig to reflect the new defaults. Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: Izik Eidus <ieidus@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-07IB: Fix typo in udev rule documentationBart Van Assche2-3/+3
The proper syntax for udev rules is KERNEL==... instead of KERNEL=... Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com> Reported-by: Lukasz Jurewicz <lukasz.jurewicz@gmail.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2009-10-06Documentation: expand isdn/INTERFACE.CAPI documentTilman Schmidt1-16/+67
- Note that send_message() may be called in interrupt context. - Describe the storage of CAPI messages and payload data in SKBs. - Add more details to the description of the _cmsg structure. - Describe kernelcapi debugging output. Impact: documentation Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
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