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Commit fd109027 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge commit 'v2.6.28-rc8' into x86/irq

parents 5b3eec0c 8b1fae4e
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+3 −5
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@@ -316,12 +316,10 @@ reduce current DMA mapping usage or delay and try again later).
	pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
	pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
		int nents, int direction)
		int nents, int direction)


Maps a scatter gather list from the block layer.

Returns: the number of physical segments mapped (this may be shorter
Returns: the number of physical segments mapped (this may be shorter
than <nents> passed in if the block layer determines that some
than <nents> passed in if some elements of the scatter/gather list are
elements of the scatter/gather list are physically adjacent and thus
physically or virtually adjacent and an IOMMU maps them with a single
may be mapped with a single entry).
entry).


Please note that the sg cannot be mapped again if it has been mapped once.
Please note that the sg cannot be mapped again if it has been mapped once.
The mapping process is allowed to destroy information in the sg.
The mapping process is allowed to destroy information in the sg.
+12 −0
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@@ -23,6 +23,7 @@ Contents:
1.3 sparc64
1.3 sparc64
1.4 ppc
1.4 ppc
1.5 SuperH
1.5 SuperH
1.6 Blackfin


2. "Policy" / "Governor"?
2. "Policy" / "Governor"?
2.1 Policy
2.1 Policy
@@ -97,6 +98,17 @@ The following SuperH processors are supported by cpufreq:
SH-3
SH-3
SH-4
SH-4


1.6 Blackfin
------------

The following Blackfin processors are supported by cpufreq:

BF522, BF523, BF524, BF525, BF526, BF527, Rev 0.1 or higher
BF531, BF532, BF533, Rev 0.3 or higher
BF534, BF536, BF537, Rev 0.2 or higher
BF561, Rev 0.3 or higher
BF542, BF544, BF547, BF548, BF549, Rev 0.1 or higher



2. "Policy" / "Governor" ?
2. "Policy" / "Governor" ?
==========================
==========================
+0 −3
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@@ -28,10 +28,7 @@ Manish Singh <manish.singh@oracle.com>
Caveats
Caveats
=======
=======
Features which OCFS2 does not support yet:
Features which OCFS2 does not support yet:
	- extended attributes
	- quotas
	- quotas
	- cluster aware flock
	- cluster aware lockf
	- Directory change notification (F_NOTIFY)
	- Directory change notification (F_NOTIFY)
	- Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease)
	- Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease)
	- POSIX ACLs
	- POSIX ACLs
+27 −0
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@@ -44,6 +44,7 @@ Table of Contents
  2.14	/proc/<pid>/io - Display the IO accounting fields
  2.14	/proc/<pid>/io - Display the IO accounting fields
  2.15	/proc/<pid>/coredump_filter - Core dump filtering settings
  2.15	/proc/<pid>/coredump_filter - Core dump filtering settings
  2.16	/proc/<pid>/mountinfo - Information about mounts
  2.16	/proc/<pid>/mountinfo - Information about mounts
  2.17	/proc/sys/fs/epoll - Configuration options for the epoll interface


------------------------------------------------------------------------------
------------------------------------------------------------------------------
Preface
Preface
@@ -2483,4 +2484,30 @@ For more information on mount propagation see:


  Documentation/filesystems/sharedsubtree.txt
  Documentation/filesystems/sharedsubtree.txt


2.17	/proc/sys/fs/epoll - Configuration options for the epoll interface
--------------------------------------------------------

This directory contains configuration options for the epoll(7) interface.

max_user_instances
------------------

This is the maximum number of epoll file descriptors that a single user can
have open at a given time. The default value is 128, and should be enough
for normal users.

max_user_watches
----------------

Every epoll file descriptor can store a number of files to be monitored
for event readiness. Each one of these monitored files constitutes a "watch".
This configuration option sets the maximum number of "watches" that are
allowed for each user.
Each "watch" costs roughly 90 bytes on a 32bit kernel, and roughly 160 bytes
on a 64bit one.
The current default value for  max_user_watches  is the 1/32 of the available
low memory, divided for the "watch" cost in bytes.


------------------------------------------------------------------------------
------------------------------------------------------------------------------
+6 −6
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@@ -130,12 +130,12 @@ The 2.6 kernel build process always creates a gzipped cpio format initramfs
archive and links it into the resulting kernel binary.  By default, this
archive and links it into the resulting kernel binary.  By default, this
archive is empty (consuming 134 bytes on x86).
archive is empty (consuming 134 bytes on x86).


The config option CONFIG_INITRAMFS_SOURCE (for some reason buried under
The config option CONFIG_INITRAMFS_SOURCE (in General Setup in menuconfig,
devices->block devices in menuconfig, and living in usr/Kconfig) can be used
and living in usr/Kconfig) can be used to specify a source for the
to specify a source for the initramfs archive, which will automatically be
initramfs archive, which will automatically be incorporated into the
incorporated into the resulting binary.  This option can point to an existing
resulting binary.  This option can point to an existing gzipped cpio
gzipped cpio archive, a directory containing files to be archived, or a text
archive, a directory containing files to be archived, or a text file
file specification such as the following example:
specification such as the following example:


  dir /dev 755 0 0
  dir /dev 755 0 0
  nod /dev/console 644 0 0 c 5 1
  nod /dev/console 644 0 0 c 5 1
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