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-rw-r--r--Documentation/ABI/testing/sysfs-devices-memory14
-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu29
-rw-r--r--Documentation/ABI/testing/sysfs-kernel-slab109
-rw-r--r--Documentation/ABI/testing/sysfs-memory-page-offline44
-rw-r--r--Documentation/Changes2
-rw-r--r--Documentation/DocBook/Makefile38
-rw-r--r--Documentation/DocBook/media-entities.tmpl18
-rw-r--r--Documentation/DocBook/media-indices.tmpl4
-rw-r--r--Documentation/DocBook/procfs-guide.tmpl626
-rw-r--r--Documentation/DocBook/procfs_example.c201
-rw-r--r--Documentation/DocBook/v4l/common.xml35
-rw-r--r--Documentation/DocBook/v4l/compat.xml16
-rw-r--r--Documentation/DocBook/v4l/v4l2.xml26
-rw-r--r--Documentation/DocBook/v4l/videodev2.h.xml116
-rw-r--r--Documentation/DocBook/v4l/vidioc-enum-dv-presets.xml238
-rw-r--r--Documentation/DocBook/v4l/vidioc-enuminput.xml36
-rw-r--r--Documentation/DocBook/v4l/vidioc-enumoutput.xml36
-rw-r--r--Documentation/DocBook/v4l/vidioc-g-dv-preset.xml111
-rw-r--r--Documentation/DocBook/v4l/vidioc-g-dv-timings.xml224
-rw-r--r--Documentation/DocBook/v4l/vidioc-g-std.xml6
-rw-r--r--Documentation/DocBook/v4l/vidioc-query-dv-preset.xml85
-rw-r--r--Documentation/DocBook/v4l/vidioc-querystd.xml6
-rw-r--r--Documentation/SubmitChecklist5
-rw-r--r--Documentation/acpi/method-customizing.txt66
-rw-r--r--Documentation/blackfin/00-INDEX3
-rw-r--r--Documentation/blackfin/Makefile6
-rw-r--r--Documentation/blackfin/cache-lock.txt48
-rw-r--r--Documentation/blackfin/cachefeatures.txt10
-rw-r--r--Documentation/blackfin/gptimers-example.c83
-rw-r--r--Documentation/cpu-hotplug.txt6
-rw-r--r--Documentation/device-mapper/snapshot.txt60
-rw-r--r--Documentation/fb/viafb.txt12
-rw-r--r--Documentation/feature-removal-schedule.txt35
-rw-r--r--Documentation/filesystems/00-INDEX12
-rw-r--r--Documentation/filesystems/nfs/00-INDEX16
-rw-r--r--Documentation/filesystems/nfs/Exporting (renamed from Documentation/filesystems/Exporting)0
-rw-r--r--Documentation/filesystems/nfs/knfsd-stats.txt (renamed from Documentation/filesystems/knfsd-stats.txt)0
-rw-r--r--Documentation/filesystems/nfs/nfs-rdma.txt (renamed from Documentation/filesystems/nfs-rdma.txt)0
-rw-r--r--Documentation/filesystems/nfs/nfs.txt (renamed from Documentation/filesystems/nfs.txt)0
-rw-r--r--Documentation/filesystems/nfs/nfs41-server.txt (renamed from Documentation/filesystems/nfs41-server.txt)9
-rw-r--r--Documentation/filesystems/nfs/nfsroot.txt (renamed from Documentation/filesystems/nfsroot.txt)0
-rw-r--r--Documentation/filesystems/nfs/rpc-cache.txt (renamed from Documentation/filesystems/rpc-cache.txt)0
-rw-r--r--Documentation/filesystems/porting2
-rw-r--r--Documentation/filesystems/proc.txt9
-rw-r--r--Documentation/filesystems/seq_file.txt4
-rw-r--r--Documentation/gpio.txt15
-rw-r--r--Documentation/hwmon/lis3lv02d55
-rw-r--r--Documentation/hwmon/w83627ehf10
-rw-r--r--Documentation/i2c/writing-clients2
-rw-r--r--Documentation/infiniband/ipoib.txt10
-rw-r--r--Documentation/kernel-parameters.txt16
-rw-r--r--Documentation/laptops/thinkpad-acpi.txt114
-rw-r--r--Documentation/md.txt72
-rw-r--r--Documentation/memory-hotplug.txt11
-rw-r--r--Documentation/misc-devices/ad525x_dpot.txt57
-rw-r--r--Documentation/nommu-mmap.txt26
-rw-r--r--Documentation/powerpc/dts-bindings/4xx/ppc440spe-adma.txt93
-rw-r--r--Documentation/powerpc/dts-bindings/fsl/board.txt4
-rw-r--r--Documentation/powerpc/dts-bindings/fsl/mpc5200.txt17
-rw-r--r--Documentation/powerpc/dts-bindings/nintendo/gamecube.txt109
-rw-r--r--Documentation/powerpc/dts-bindings/nintendo/wii.txt184
-rw-r--r--Documentation/spinlocks.txt184
-rw-r--r--Documentation/sysctl/kernel.txt31
-rw-r--r--Documentation/thermal/sysfs-api.txt1
-rw-r--r--Documentation/video4linux/gspca.txt34
-rw-r--r--Documentation/video4linux/sh_mobile_ceu_camera.txt157
-rw-r--r--Documentation/video4linux/v4l2-framework.txt16
-rw-r--r--Documentation/vm/hugetlbpage.txt262
-rw-r--r--Documentation/vm/hwpoison.txt52
-rw-r--r--Documentation/vm/ksm.txt22
-rw-r--r--Documentation/vm/page-types.c83
71 files changed, 2696 insertions, 1347 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-memory b/Documentation/ABI/testing/sysfs-devices-memory
index 9fe91c02ee4..bf1627b02a0 100644
--- a/Documentation/ABI/testing/sysfs-devices-memory
+++ b/Documentation/ABI/testing/sysfs-devices-memory
@@ -60,6 +60,19 @@ 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>
@@ -70,4 +83,3 @@ 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
-
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 974e29f5da8..84a710f87c6 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -62,6 +62,35 @@ 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
diff --git a/Documentation/ABI/testing/sysfs-kernel-slab b/Documentation/ABI/testing/sysfs-kernel-slab
index 6dcf75e594f..8b093f8222d 100644
--- a/Documentation/ABI/testing/sysfs-kernel-slab
+++ b/Documentation/ABI/testing/sysfs-kernel-slab
@@ -45,8 +45,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- The alloc_fastpath file is read-only and specifies how many
- objects have been allocated using the fast path.
+ The alloc_fastpath file shows how many objects have been
+ allocated using the fast path. It can be written to clear the
+ current count.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/alloc_from_partial
@@ -55,9 +56,10 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/alloc_refill
@@ -66,9 +68,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/alloc_slab
@@ -77,8 +79,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- The alloc_slab file is read-only and specifies how many times
- a new slab had to be allocated from the page allocator.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/alloc_slowpath
@@ -87,9 +90,10 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/cache_dma
@@ -117,10 +121,11 @@ KernelVersion: 2.6.31
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/ctor
@@ -139,8 +144,8 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- The file deactivate_empty is read-only and specifies how many
- times an empty cpu slab was deactivated.
+ The deactivate_empty file shows how many times an empty cpu slab
+ was deactivated. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/deactivate_full
@@ -149,8 +154,8 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- The file deactivate_full is read-only and specifies how many
- times a full cpu slab was deactivated.
+ The deactivate_full file shows how many times a full cpu slab
+ was deactivated. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/deactivate_remote_frees
@@ -159,9 +164,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/deactivate_to_head
@@ -170,9 +175,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/deactivate_to_tail
@@ -181,9 +186,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/destroy_by_rcu
@@ -201,9 +206,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/free_calls
@@ -222,9 +227,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/free_frozen
@@ -233,9 +238,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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).
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/free_remove_partial
@@ -244,9 +249,10 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/free_slab
@@ -255,8 +261,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- The free_slab file is read-only and specifies how many times an
- empty slab has been freed back to the page allocator.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/free_slowpath
@@ -265,9 +272,9 @@ KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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).
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/hwcache_align
@@ -346,10 +353,10 @@ KernelVersion: 2.6.26
Contact: Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Description:
- 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.
+ 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.
Available when CONFIG_SLUB_STATS is enabled.
What: /sys/kernel/slab/cache/partial
diff --git a/Documentation/ABI/testing/sysfs-memory-page-offline b/Documentation/ABI/testing/sysfs-memory-page-offline
new file mode 100644
index 00000000000..e14703f12fd
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-memory-page-offline
@@ -0,0 +1,44 @@
+What: /sys/devices/system/memory/soft_offline_page
+Date: Sep 2009
+KernelVersion: 2.6.33
+Contact: andi@firstfloor.org
+Description:
+ Soft-offline the memory page containing the physical address
+ written into this file. Input is a hex number specifying the
+ physical address of the page. The kernel will then attempt
+ to soft-offline it, by moving the contents elsewhere or
+ dropping it if possible. The kernel will then be placed
+ on the bad page list and never be reused.
+
+ The offlining is done in kernel specific granuality.
+ Normally it's the base page size of the kernel, but
+ this might change.
+
+ The page must be still accessible, not poisoned. The
+ kernel will never kill anything for this, but rather
+ fail the offline. Return value is the size of the
+ number, or a error when the offlining failed. Reading
+ the file is not allowed.
+
+What: /sys/devices/system/memory/hard_offline_page
+Date: Sep 2009
+KernelVersion: 2.6.33
+Contact: andi@firstfloor.org
+Description:
+ Hard-offline the memory page containing the physical
+ address written into this file. Input is a hex number
+ specifying the physical address of the page. The
+ kernel will then attempt to hard-offline the page, by
+ trying to drop the page or killing any owner or
+ triggering IO errors if needed. Note this may kill
+ any processes owning the page. The kernel will avoid
+ to access this page assuming it's poisoned by the
+ hardware.
+
+ The offlining is done in kernel specific granuality.
+ Normally it's the base page size of the kernel, but
+ this might change.
+
+ Return value is the size of the number, or a error when
+ the offlining failed.
+ Reading the file is not allowed.
diff --git a/Documentation/Changes b/Documentation/Changes
index 6d0f1efc5bf..f08b313cd23 100644
--- a/Documentation/Changes
+++ b/Documentation/Changes