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---
r: 179807
b: refs/heads/master
c: b811246
h: refs/heads/master
i:
  179805: 5a0edf1
  179803: b3a0514
  179799: 11c8567
  179791: 870ce03
  179775: 2f16a54
v: v3
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Inaky Perez-Gonzalez committed Jan 22, 2010
1 parent c30913f commit 4eb587e
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 6be325719b3e54624397e413efd4b33a997e55a3
refs/heads/master: b81124696e6a47d5db02b2b3561d66d1392b0f2f
8 changes: 6 additions & 2 deletions trunk/.gitignore
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Expand Up @@ -22,7 +22,6 @@
*.lst
*.symtypes
*.order
modules.builtin
*.elf
*.bin
*.gz
Expand All @@ -37,7 +36,6 @@ modules.builtin
tags
TAGS
vmlinux
vmlinuz
System.map
Module.markers
Module.symvers
Expand All @@ -47,8 +45,14 @@ Module.symvers
#
# Generated include files
#
include/asm
include/asm-*/asm-offsets.h
include/config
include/linux/autoconf.h
include/linux/compile.h
include/linux/version.h
include/linux/utsrelease.h
include/linux/bounds.h
include/generated

# stgit generated dirs
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18 changes: 8 additions & 10 deletions trunk/Documentation/ABI/testing/sysfs-bus-usb
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Expand Up @@ -21,27 +21,25 @@ Contact: Alan Stern <stern@rowland.harvard.edu>
Description:
Each USB device directory will contain a file named
power/level. This file holds a power-level setting for
the device, either "on" or "auto".
the device, one of "on", "auto", or "suspend".

"on" means that the device is not allowed to autosuspend,
although normal suspends for system sleep will still
be honored. "auto" means the device will autosuspend
and autoresume in the usual manner, according to the
capabilities of its driver.
capabilities of its driver. "suspend" means the device
is forced into a suspended state and it will not autoresume
in response to I/O requests. However remote-wakeup requests
from the device may still be enabled (the remote-wakeup
setting is controlled separately by the power/wakeup
attribute).

During normal use, devices should be left in the "auto"
level. The "on" level is meant for administrative uses.
level. The other levels are meant for administrative uses.
If you want to suspend a device immediately but leave it
free to wake up in response to I/O requests, you should
write "0" to power/autosuspend.

Device not capable of proper suspend and resume should be
left in the "on" level. Although the USB spec requires
devices to support suspend/resume, many of them do not.
In fact so many don't that by default, the USB core
initializes all non-hub devices in the "on" level. Some
drivers may change this setting when they are bound.

What: /sys/bus/usb/devices/.../power/persist
Date: May 2007
KernelVersion: 2.6.23
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14 changes: 1 addition & 13 deletions trunk/Documentation/ABI/testing/sysfs-devices-memory
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Expand Up @@ -60,19 +60,6 @@ Description:
Users: hotplug memory remove tools
https://w3.opensource.ibm.com/projects/powerpc-utils/


What: /sys/devices/system/memoryX/nodeY
Date: October 2009
Contact: Linux Memory Management list <linux-mm@kvack.org>
Description:
When CONFIG_NUMA is enabled, a symbolic link that
points to the corresponding NUMA node directory.

For example, the following symbolic link is created for
memory section 9 on node0:
/sys/devices/system/memory/memory9/node0 -> ../../node/node0


What: /sys/devices/system/node/nodeX/memoryY
Date: September 2008
Contact: Gary Hade <garyhade@us.ibm.com>
Expand All @@ -83,3 +70,4 @@ Description:
memory section directory. For example, the following symbolic
link is created for memory section 9 on node0.
/sys/devices/system/node/node0/memory9 -> ../../memory/memory9

29 changes: 0 additions & 29 deletions trunk/Documentation/ABI/testing/sysfs-devices-system-cpu
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Expand Up @@ -62,35 +62,6 @@ Description: CPU topology files that describe kernel limits related to
See Documentation/cputopology.txt for more information.


What: /sys/devices/system/cpu/probe
/sys/devices/system/cpu/release
Date: November 2009
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Dynamic addition and removal of CPU's. This is not hotplug
removal, this is meant complete removal/addition of the CPU
from the system.

probe: writes to this file will dynamically add a CPU to the
system. Information written to the file to add CPU's is
architecture specific.

release: writes to this file dynamically remove a CPU from
the system. Information writtento the file to remove CPU's
is architecture specific.

What: /sys/devices/system/cpu/cpu#/node
Date: October 2009
Contact: Linux memory management mailing list <linux-mm@kvack.org>
Description: Discover NUMA node a CPU belongs to

When CONFIG_NUMA is enabled, a symbolic link that points
to the corresponding NUMA node directory.

For example, the following symlink is created for cpu42
in NUMA node 2:

/sys/devices/system/cpu/cpu42/node2 -> ../../node/node2


What: /sys/devices/system/cpu/cpu#/node
Date: October 2009
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109 changes: 51 additions & 58 deletions trunk/Documentation/ABI/testing/sysfs-kernel-slab
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Expand Up @@ -45,9 +45,8 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The alloc_fastpath file shows how many objects have been
allocated using the fast path. It can be written to clear the
current count.
The alloc_fastpath file is read-only and specifies how many
objects have been allocated using the fast path.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/alloc_from_partial
Expand All @@ -56,10 +55,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The alloc_from_partial file shows how many times a cpu slab has
been full and it has been refilled by using a slab from the list
of partially used slabs. It can be written to clear the current
count.
The alloc_from_partial file is read-only and specifies how
many times a cpu slab has been full and it has been refilled
by using a slab from the list of partially used slabs.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/alloc_refill
Expand All @@ -68,9 +66,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The alloc_refill file shows how many times the per-cpu freelist
was empty but there were objects available as the result of
remote cpu frees. It can be written to clear the current count.
The alloc_refill file is read-only and specifies how many
times the per-cpu freelist was empty but there were objects
available as the result of remote cpu frees.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/alloc_slab
Expand All @@ -79,9 +77,8 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The alloc_slab file is shows how many times a new slab had to
be allocated from the page allocator. It can be written to
clear the current count.
The alloc_slab file is read-only and specifies how many times
a new slab had to be allocated from the page allocator.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/alloc_slowpath
Expand All @@ -90,10 +87,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The alloc_slowpath file shows how many objects have been
allocated using the slow path because of a refill or
allocation from a partial or new slab. It can be written to
clear the current count.
The alloc_slowpath file is read-only and specifies how many
objects have been allocated using the slow path because of a
refill or allocation from a partial or new slab.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/cache_dma
Expand Down Expand Up @@ -121,11 +117,10 @@ KernelVersion: 2.6.31
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The file cpuslab_flush shows how many times a cache's cpu slabs
have been flushed as the result of destroying or shrinking a
cache, a cpu going offline, or as the result of forcing an
allocation from a certain node. It can be written to clear the
current count.
The file cpuslab_flush is read-only and specifies how many
times a cache's cpu slabs have been flushed as the result of
destroying or shrinking a cache, a cpu going offline, or as
the result of forcing an allocation from a certain node.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/ctor
Expand All @@ -144,8 +139,8 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The deactivate_empty file shows how many times an empty cpu slab
was deactivated. It can be written to clear the current count.
The file deactivate_empty is read-only and specifies how many
times an empty cpu slab was deactivated.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/deactivate_full
Expand All @@ -154,8 +149,8 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The deactivate_full file shows how many times a full cpu slab
was deactivated. It can be written to clear the current count.
The file deactivate_full is read-only and specifies how many
times a full cpu slab was deactivated.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/deactivate_remote_frees
Expand All @@ -164,9 +159,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The deactivate_remote_frees file shows how many times a cpu slab
has been deactivated and contained free objects that were freed
remotely. It can be written to clear the current count.
The file deactivate_remote_frees is read-only and specifies how
many times a cpu slab has been deactivated and contained free
objects that were freed remotely.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/deactivate_to_head
Expand All @@ -175,9 +170,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The deactivate_to_head file shows how many times a partial cpu
slab was deactivated and added to the head of its node's partial
list. It can be written to clear the current count.
The file deactivate_to_head is read-only and specifies how
many times a partial cpu slab was deactivated and added to the
head of its node's partial list.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/deactivate_to_tail
Expand All @@ -186,9 +181,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The deactivate_to_tail file shows how many times a partial cpu
slab was deactivated and added to the tail of its node's partial
list. It can be written to clear the current count.
The file deactivate_to_tail is read-only and specifies how
many times a partial cpu slab was deactivated and added to the
tail of its node's partial list.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/destroy_by_rcu
Expand All @@ -206,9 +201,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The free_add_partial file shows how many times an object has
been freed in a full slab so that it had to added to its node's
partial list. It can be written to clear the current count.
The file free_add_partial is read-only and specifies how many
times an object has been freed in a full slab so that it had to
added to its node's partial list.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/free_calls
Expand All @@ -227,9 +222,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The free_fastpath file shows how many objects have been freed
using the fast path because it was an object from the cpu slab.
It can be written to clear the current count.
The free_fastpath file is read-only and specifies how many
objects have been freed using the fast path because it was an
object from the cpu slab.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/free_frozen
Expand All @@ -238,9 +233,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The free_frozen file shows how many objects have been freed to
a frozen slab (i.e. a remote cpu slab). It can be written to
clear the current count.
The free_frozen file is read-only and specifies how many
objects have been freed to a frozen slab (i.e. a remote cpu
slab).
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/free_remove_partial
Expand All @@ -249,10 +244,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The free_remove_partial file shows how many times an object has
been freed to a now-empty slab so that it had to be removed from
its node's partial list. It can be written to clear the current
count.
The file free_remove_partial is read-only and specifies how
many times an object has been freed to a now-empty slab so
that it had to be removed from its node's partial list.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/free_slab
Expand All @@ -261,9 +255,8 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The free_slab file shows how many times an empty slab has been
freed back to the page allocator. It can be written to clear
the current count.
The free_slab file is read-only and specifies how many times an
empty slab has been freed back to the page allocator.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/free_slowpath
Expand All @@ -272,9 +265,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The free_slowpath file shows how many objects have been freed
using the slow path (i.e. to a full or partial slab). It can
be written to clear the current count.
The free_slowpath file is read-only and specifies how many
objects have been freed using the slow path (i.e. to a full or
partial slab).
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/hwcache_align
Expand Down Expand Up @@ -353,10 +346,10 @@ KernelVersion: 2.6.26
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
The order_fallback file shows how many times an allocation of a
new slab has not been possible at the cache's order and instead
fallen back to its minimum possible order. It can be written to
clear the current count.
The file order_fallback is read-only and specifies how many
times an allocation of a new slab has not been possible at the
cache's order and instead fallen back to its minimum possible
order.
Available when CONFIG_SLUB_STATS is enabled.

What: /sys/kernel/slab/cache/partial
Expand Down
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