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r: 271468
b: refs/heads/master
c: ef26b79
h: refs/heads/master
v: v3
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Florian Tobias Schandinat authored and Florian Tobias Schandinat committed Oct 15, 2011
1 parent 5cf54ed commit 4da4773
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 3e28189038bb831512cf4f8313e1aead97c3e63f
refs/heads/master: ef26b7943c5821aaff1efc14c098840c49fe15c0
13 changes: 13 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-class-scsi_host
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What: /sys/class/scsi_host/hostX/isci_id
Date: June 2011
Contact: Dave Jiang <dave.jiang@intel.com>
Description:
This file contains the enumerated host ID for the Intel
SCU controller. The Intel(R) C600 Series Chipset SATA/SAS
Storage Control Unit embeds up to two 4-port controllers in
a single PCI device. The controllers are enumerated in order
which usually means the lowest number scsi_host corresponds
with the first controller, but this association is not
guaranteed. The 'isci_id' attribute unambiguously identifies
the controller index: '0' for the first controller,
'1' for the second.
85 changes: 1 addition & 84 deletions trunk/Documentation/cgroups/memory.txt
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Expand Up @@ -380,7 +380,7 @@ will be charged as a new owner of it.

5.2 stat file

5.2.1 memory.stat file includes following statistics
memory.stat file includes following statistics

# per-memory cgroup local status
cache - # of bytes of page cache memory.
Expand Down Expand Up @@ -438,89 +438,6 @@ Note:
file_mapped is accounted only when the memory cgroup is owner of page
cache.)

5.2.2 memory.vmscan_stat

memory.vmscan_stat includes statistics information for memory scanning and
freeing, reclaiming. The statistics shows memory scanning information since
memory cgroup creation and can be reset to 0 by writing 0 as

#echo 0 > ../memory.vmscan_stat

This file contains following statistics.

[param]_[file_or_anon]_pages_by_[reason]_[under_heararchy]
[param]_elapsed_ns_by_[reason]_[under_hierarchy]

For example,

scanned_file_pages_by_limit indicates the number of scanned
file pages at vmscan.

Now, 3 parameters are supported

scanned - the number of pages scanned by vmscan
rotated - the number of pages activated at vmscan
freed - the number of pages freed by vmscan

If "rotated" is high against scanned/freed, the memcg seems busy.

Now, 2 reason are supported

limit - the memory cgroup's limit
system - global memory pressure + softlimit
(global memory pressure not under softlimit is not handled now)

When under_hierarchy is added in the tail, the number indicates the
total memcg scan of its children and itself.

elapsed_ns is a elapsed time in nanosecond. This may include sleep time
and not indicates CPU usage. So, please take this as just showing
latency.

Here is an example.

# cat /cgroup/memory/A/memory.vmscan_stat
scanned_pages_by_limit 9471864
scanned_anon_pages_by_limit 6640629
scanned_file_pages_by_limit 2831235
rotated_pages_by_limit 4243974
rotated_anon_pages_by_limit 3971968
rotated_file_pages_by_limit 272006
freed_pages_by_limit 2318492
freed_anon_pages_by_limit 962052
freed_file_pages_by_limit 1356440
elapsed_ns_by_limit 351386416101
scanned_pages_by_system 0
scanned_anon_pages_by_system 0
scanned_file_pages_by_system 0
rotated_pages_by_system 0
rotated_anon_pages_by_system 0
rotated_file_pages_by_system 0
freed_pages_by_system 0
freed_anon_pages_by_system 0
freed_file_pages_by_system 0
elapsed_ns_by_system 0
scanned_pages_by_limit_under_hierarchy 9471864
scanned_anon_pages_by_limit_under_hierarchy 6640629
scanned_file_pages_by_limit_under_hierarchy 2831235
rotated_pages_by_limit_under_hierarchy 4243974
rotated_anon_pages_by_limit_under_hierarchy 3971968
rotated_file_pages_by_limit_under_hierarchy 272006
freed_pages_by_limit_under_hierarchy 2318492
freed_anon_pages_by_limit_under_hierarchy 962052
freed_file_pages_by_limit_under_hierarchy 1356440
elapsed_ns_by_limit_under_hierarchy 351386416101
scanned_pages_by_system_under_hierarchy 0
scanned_anon_pages_by_system_under_hierarchy 0
scanned_file_pages_by_system_under_hierarchy 0
rotated_pages_by_system_under_hierarchy 0
rotated_anon_pages_by_system_under_hierarchy 0
rotated_file_pages_by_system_under_hierarchy 0
freed_pages_by_system_under_hierarchy 0
freed_anon_pages_by_system_under_hierarchy 0
freed_file_pages_by_system_under_hierarchy 0
elapsed_ns_by_system_under_hierarchy 0

5.3 swappiness

Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
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39 changes: 27 additions & 12 deletions trunk/Documentation/fb/udlfb.txt
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Expand Up @@ -87,23 +87,38 @@ Special configuration for udlfb is usually unnecessary. There are a few
options, however.

From the command line, pass options to modprobe
modprobe udlfb defio=1 console=1
modprobe udlfb fb_defio=0 console=1 shadow=1

Or for permanent option, create file like /etc/modprobe.d/options with text
options udlfb defio=1 console=1
Or modify options on the fly at /sys/module/udlfb/parameters directory via
sudo nano fb_defio
change the parameter in place, and save the file.

Accepted options:
Unplug/replug USB device to apply with new settings

Or for permanent option, create file like /etc/modprobe.d/udlfb.conf with text
options udlfb fb_defio=0 console=1 shadow=1

Accepted boolean options:

fb_defio Make use of the fb_defio (CONFIG_FB_DEFERRED_IO) kernel
module to track changed areas of the framebuffer by page faults.
Standard fbdev applications that use mmap but that do not
report damage, may be able to work with this enabled.
Disabled by default because of overhead and other issues.

console Allow fbcon to attach to udlfb provided framebuffers. This
is disabled by default because fbcon will aggressively consume
the first framebuffer it finds, which isn't usually what the
user wants in the case of USB displays.
Standard fbdev applications that use mmap but that do not
report damage, should be able to work with this enabled.
Disable when running with X server that supports reporting
changed regions via ioctl, as this method is simpler,
more stable, and higher performance.
default: fb_defio=1

console Allow fbcon to attach to udlfb provided framebuffers.
Can be disabled if fbcon and other clients
(e.g. X with --shared-vt) are in conflict.
default: console=1

shadow Allocate a 2nd framebuffer to shadow what's currently across
the USB bus in device memory. If any pixels are unchanged,
do not transmit. Spends host memory to save USB transfers.
Enabled by default. Only disable on very low memory systems.
default: shadow=1

Sysfs Attributes
================
Expand Down
14 changes: 4 additions & 10 deletions trunk/Documentation/hwmon/coretemp
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Expand Up @@ -35,23 +35,17 @@ the Out-Of-Spec bit. Following table summarizes the exported sysfs files:
All Sysfs entries are named with their core_id (represented here by 'X').
tempX_input - Core temperature (in millidegrees Celsius).
tempX_max - All cooling devices should be turned on (on Core2).
Initialized with IA32_THERM_INTERRUPT. When the CPU
temperature reaches this temperature, an interrupt is
generated and tempX_max_alarm is set.
tempX_max_hyst - If the CPU temperature falls below than temperature,
an interrupt is generated and tempX_max_alarm is reset.
tempX_max_alarm - Set if the temperature reaches or exceeds tempX_max.
Reset if the temperature drops to or below tempX_max_hyst.
tempX_crit - Maximum junction temperature (in millidegrees Celsius).
tempX_crit_alarm - Set when Out-of-spec bit is set, never clears.
Correct CPU operation is no longer guaranteed.
tempX_label - Contains string "Core X", where X is processor
number. For Package temp, this will be "Physical id Y",
where Y is the package number.

The TjMax temperature is set to 85 degrees C if undocumented model specific
register (UMSR) 0xee has bit 30 set. If not the TjMax is 100 degrees C as
(sometimes) documented in processor datasheet.
On CPU models which support it, TjMax is read from a model-specific register.
On other models, it is set to an arbitrary value based on weak heuristics.
If these heuristics don't work for you, you can pass the correct TjMax value
as a module parameter (tjmax).

Appendix A. Known TjMax lists (TBD):
Some information comes from ark.intel.com
Expand Down
9 changes: 6 additions & 3 deletions trunk/Documentation/kernel-parameters.txt
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Expand Up @@ -2086,9 +2086,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
Override pmtimer IOPort with a hex value.
e.g. pmtmr=0x508

pnp.debug [PNP]
Enable PNP debug messages. This depends on the
CONFIG_PNP_DEBUG_MESSAGES option.
pnp.debug=1 [PNP]
Enable PNP debug messages (depends on the
CONFIG_PNP_DEBUG_MESSAGES option). Change at run-time
via /sys/module/pnp/parameters/debug. We always show
current resource usage; turning this on also shows
possible settings and some assignment information.

pnpacpi= [ACPI]
{ off }
Expand Down
3 changes: 2 additions & 1 deletion trunk/Documentation/networking/dmfe.txt
Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
Note: This driver doesn't have a maintainer.

Davicom DM9102(A)/DM9132/DM9801 fast ethernet driver for Linux.

This program is free software; you can redistribute it and/or
Expand Down Expand Up @@ -55,7 +57,6 @@ Test and make sure PCI latency is now correct for all cases.
Authors:

Sten Wang <sten_wang@davicom.com.tw > : Original Author
Tobias Ringstrom <tori@unhappy.mine.nu> : Current Maintainer

Contributors:

Expand Down
4 changes: 2 additions & 2 deletions trunk/Documentation/networking/ip-sysctl.txt
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Expand Up @@ -1042,7 +1042,7 @@ conf/interface/*:
The functional behaviour for certain settings is different
depending on whether local forwarding is enabled or not.

accept_ra - BOOLEAN
accept_ra - INTEGER
Accept Router Advertisements; autoconfigure using them.

Possible values are:
Expand Down Expand Up @@ -1106,7 +1106,7 @@ dad_transmits - INTEGER
The amount of Duplicate Address Detection probes to send.
Default: 1

forwarding - BOOLEAN
forwarding - INTEGER
Configure interface-specific Host/Router behaviour.

Note: It is recommended to have the same setting on all
Expand Down
2 changes: 1 addition & 1 deletion trunk/Documentation/networking/scaling.txt
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Expand Up @@ -243,7 +243,7 @@ configured. The number of entries in the global flow table is set through:

The number of entries in the per-queue flow table are set through:

/sys/class/net/<dev>/queues/tx-<n>/rps_flow_cnt
/sys/class/net/<dev>/queues/rx-<n>/rps_flow_cnt

== Suggested Configuration

Expand Down
7 changes: 4 additions & 3 deletions trunk/Documentation/vm/transhuge.txt
Original file line number Diff line number Diff line change
Expand Up @@ -123,10 +123,11 @@ be automatically shutdown if it's set to "never".
khugepaged runs usually at low frequency so while one may not want to
invoke defrag algorithms synchronously during the page faults, it
should be worth invoking defrag at least in khugepaged. However it's
also possible to disable defrag in khugepaged:
also possible to disable defrag in khugepaged by writing 0 or enable
defrag in khugepaged by writing 1:

echo yes >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag
echo no >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag
echo 0 >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag
echo 1 >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag

You can also control how many pages khugepaged should scan at each
pass:
Expand Down
30 changes: 24 additions & 6 deletions trunk/MAINTAINERS
Original file line number Diff line number Diff line change
Expand Up @@ -1278,7 +1278,6 @@ F: drivers/input/misc/ati_remote2.c
ATLX ETHERNET DRIVERS
M: Jay Cliburn <jcliburn@gmail.com>
M: Chris Snook <chris.snook@gmail.com>
M: Jie Yang <jie.yang@atheros.com>
L: netdev@vger.kernel.org
W: http://sourceforge.net/projects/atl1
W: http://atl1.sourceforge.net
Expand Down Expand Up @@ -1574,7 +1573,6 @@ F: drivers/scsi/bfa/

BROCADE BNA 10 GIGABIT ETHERNET DRIVER
M: Rasesh Mody <rmody@brocade.com>
M: Debashis Dutt <ddutt@brocade.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/bna/
Expand Down Expand Up @@ -1758,7 +1756,6 @@ F: Documentation/zh_CN/

CISCO VIC ETHERNET NIC DRIVER
M: Christian Benvenuti <benve@cisco.com>
M: Vasanthy Kolluri <vkolluri@cisco.com>
M: Roopa Prabhu <roprabhu@cisco.com>
M: David Wang <dwang2@cisco.com>
S: Supported
Expand Down Expand Up @@ -3262,6 +3259,17 @@ F: Documentation/input/multi-touch-protocol.txt
F: drivers/input/input-mt.c
K: \b(ABS|SYN)_MT_

INTEL C600 SERIES SAS CONTROLLER DRIVER
M: Intel SCU Linux support <intel-linux-scu@intel.com>
M: Dan Williams <dan.j.williams@intel.com>
M: Dave Jiang <dave.jiang@intel.com>
M: Ed Nadolski <edmund.nadolski@intel.com>
L: linux-scsi@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci.git
S: Maintained
F: drivers/scsi/isci/
F: firmware/isci/

INTEL IDLE DRIVER
M: Len Brown <lenb@kernel.org>
L: linux-pm@lists.linux-foundation.org
Expand Down Expand Up @@ -4404,7 +4412,8 @@ L: netfilter@vger.kernel.org
L: coreteam@netfilter.org
W: http://www.netfilter.org/
W: http://www.iptables.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next-2.6.git
S: Supported
F: include/linux/netfilter*
F: include/linux/netfilter/
Expand Down Expand Up @@ -4774,7 +4783,7 @@ F: drivers/net/wireless/orinoco/

OSD LIBRARY and FILESYSTEM
M: Boaz Harrosh <bharrosh@panasas.com>
M: Benny Halevy <bhalevy@panasas.com>
M: Benny Halevy <bhalevy@tonian.com>
L: osd-dev@open-osd.org
W: http://open-osd.org
T: git git://git.open-osd.org/open-osd.git
Expand Down Expand Up @@ -5921,6 +5930,12 @@ L: netdev@vger.kernel.org
S: Supported
F: drivers/net/smsc9420.*

SMSC UFX6000 and UFX7000 USB to VGA DRIVER
M: Steve Glendinning <steve.glendinning@smsc.com>
L: linux-fbdev@vger.kernel.org
S: Supported
F: drivers/video/smscufx.c

SN-IA64 (Itanium) SUB-PLATFORM
M: Jes Sorensen <jes@sgi.com>
L: linux-altix@sgi.com
Expand Down Expand Up @@ -6365,7 +6380,6 @@ S: Supported
F: arch/arm/mach-tegra

TEHUTI ETHERNET DRIVER
M: Alexander Indenbaum <baum@tehutinetworks.net>
M: Andy Gospodarek <andy@greyhouse.net>
L: netdev@vger.kernel.org
S: Supported
Expand Down Expand Up @@ -7200,6 +7214,9 @@ W: http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices
S: Supported
F: Documentation/hwmon/wm83??
F: drivers/leds/leds-wm83*.c
F: drivers/input/misc/wm831x-on.c
F: drivers/input/touchscreen/wm831x-ts.c
F: drivers/input/touchscreen/wm97*.c
F: drivers/mfd/wm8*.c
F: drivers/power/wm83*.c
F: drivers/rtc/rtc-wm83*.c
Expand All @@ -7209,6 +7226,7 @@ F: drivers/watchdog/wm83*_wdt.c
F: include/linux/mfd/wm831x/
F: include/linux/mfd/wm8350/
F: include/linux/mfd/wm8400*
F: include/linux/wm97xx.h
F: include/sound/wm????.h
F: sound/soc/codecs/wm*

Expand Down
2 changes: 1 addition & 1 deletion trunk/Makefile
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 1
SUBLEVEL = 0
EXTRAVERSION = -rc6
EXTRAVERSION = -rc9
NAME = "Divemaster Edition"

# *DOCUMENTATION*
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2 changes: 1 addition & 1 deletion trunk/arch/alpha/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ config GENERIC_CMOS_UPDATE
def_bool y

config GENERIC_GPIO
def_bool y
bool

config ZONE_DMA
bool
Expand Down
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