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kernel_arpi/Documentation
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Aaron Tomlin 8582cb96b0 mm: document improved handling of swappiness==0 
Prior to commit fe35004fbf ("mm: avoid swapping out with
swappiness==0") setting swappiness to 0, reclaim code could still evict
recently used user anonymous memory to swap even though there is a
significant amount of RAM used for page cache.

The behaviour of setting swappiness to 0 has since changed.  When set,
the reclaim code does not initiate swap until the amount of free pages
and file-backed pages, is less than the high water mark in a zone.

Let's update the documentation to reflect this.

[akpm@linux-foundation.org: remove comma, per Randy]
Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Bryn M. Reeves <bmr@redhat.com>
Cc: Satoru Moriya <satoru.moriya@hds.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-29 16:22:39 -08:00
..
ABI
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2014-01-28 11:02:23 -08:00
accounting
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acpi
Merge tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2014-01-24 15:51:02 -08:00
aoe
aoe: remove do-nothing NAME="%k" term from example udev rules
2013-09-11 15:59:28 -07:00
arm
Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2014-01-23 18:40:49 -08:00
arm64
arm64: Use 42-bit address space with 64K pages
2013-11-05 17:23:52 +00:00
auxdisplay
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backlight
backlight: lp855x_bl: support new LP8555 device
2013-11-13 12:09:14 +09:00
blackfin
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block
null_blk: set use_per_node_hctx param to false
2013-12-21 09:30:33 -07:00
blockdev
Documentation/blockdev/ramdisk.txt: updates
2014-01-23 16:37:01 -08:00
bus-devices
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cdrom
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cgroups
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2014-01-25 11:17:34 -08:00
connector
connector - documentation: simplify netlink message length assignment
2013-10-02 16:03:51 -04:00
console
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cpu-freq
Documentation: cpufreq / boost: Update BOOST documentation
2014-01-17 02:00:45 +01:00
cpuidle
cpuidle: remove cpuidle_unregister_governor()
2013-10-30 01:21:24 +01:00
cris
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crypto
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development-process
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device-mapper
dm cache: add policy name to status output
2014-01-16 13:44:11 -05:00
devicetree
Merge tag 'for-linus-20140127' of git://git.infradead.org/linux-mtd
2014-01-28 18:56:37 -08:00
DocBook
Merge branch 'master' into for-next
2013-12-19 15:08:32 +01:00
driver-model
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-01-22 21:21:55 -08:00
dvb
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early-userspace
Documentation: remove reference to 2.7 kernel in early-userspace
2013-08-20 12:47:28 +02:00
EDID
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extcon
extcon: fix switch class porting guide (Documentation)
2014-01-07 11:54:28 +09:00
fault-injection
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fb
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filesystems
Merge tag 'for-3.14-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
2014-01-26 10:55:41 -08:00
firmware_class
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fmc
doc: Fix typo "is is" in Documentations
2013-08-27 10:50:52 +02:00
frv
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gpio
gpiolib: return -ENOENT if no GPIO mapping exists
2013-12-12 19:33:59 +01:00
hid
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hwmon
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
2013-11-15 16:35:10 -08:00
i2c
Documentation: i2c: Remove obsolete example
2014-01-09 23:02:46 +01:00
i2o
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ia64
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ide
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infiniband
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input
Input: fix typos in Documentation/input/gamepad.txt
2013-12-18 08:47:43 -08:00
ioctl
s390/hypfs: add interface for diagnose 0x304
2014-01-24 09:40:59 +01:00
isdn
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ja_JP
Documentation: ja_JP: Update broken link to tpp
2013-12-10 23:09:08 -08:00
kbuild
Documentation/kbuild/kconfig.txt: 'make listnewconfig' replaces: yes "" | make oldconfig
2013-10-08 23:51:50 +02:00
kdump
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ko_KR
Documentation: HOWTO: Updates on subsystem trees, patchwork, -next (vs. -mm) in ko_KR
2014-01-08 15:32:51 -08:00
laptops
Documentation: Fix size parameter for snprintf
2014-01-02 10:47:33 +01:00
leds
leds: lp5523: Support LED MUX configuration on running a pattern
2014-01-27 17:28:48 -08:00
m68k
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make
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memory-devices
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metag
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mic
misc: mic: Fix endianness issues.
2013-11-27 11:03:38 -08:00
mips
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misc-devices
Documentation/misc-devices/mei/mei-amt-version.c: remove unneeded call of mei_deinit()
2014-01-08 15:20:20 -08:00
mmc
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mn10300
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mtd
mtd: nand: pxa3xx: Add documentation about the controller
2014-01-03 11:22:09 -08:00
namespaces
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netlabel
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networking
bonding: update bonding.txt for primary description
2014-01-22 17:45:32 -08:00
nfc
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parisc
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PCI
Merge branch 'pci/msi' into next
2014-01-07 17:34:39 -07:00
pcmcia
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power
Documentation/: update FireWire debugging documentation
2014-01-12 18:54:38 +01:00
powerpc
powerpc: Update the 00-Index in Documentation/powerpc
2013-08-27 14:44:27 +10:00
pps
USB: serial: invoke dcd_change ldisc's handler.
2013-09-26 09:45:40 -07:00
prctl
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pti
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ptp
ptp: add the PTP_SYS_OFFSET ioctl to the testptp program
2013-09-23 16:46:17 -04:00
rapidio
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RCU
Merge branches 'doc.2013.12.03a', 'fixes.2013.12.12a', 'rcutorture.2013.12.03a' and 'sparse.2013.12.12a' into HEAD
2013-12-12 12:35:38 -08:00
s390
qeth: bridgeport support - address notifications
2014-01-15 14:48:01 -08:00
scheduler
Merge tag 'h8300-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
2013-11-12 14:13:14 +09:00
scsi
Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
2014-01-24 17:18:32 -08:00
security
ima: update IMA-templates.txt documentation
2014-01-03 07:42:59 -05:00
serial
serial: core: delete .set_wake() callback
2013-10-16 13:16:19 -07:00
sh
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sound
ASoC: docs: Update the Overview document
2014-01-07 17:56:32 +00:00
spi
spi: Correction to typos in Documentation/spi/spi-summary
2013-12-09 17:22:19 +00:00
sysctl
mm: document improved handling of swappiness==0
2014-01-29 16:22:39 -08:00
target
target: Remove TF_CIT_TMPL macro
2013-10-16 13:35:02 -07:00
thermal
thermal: thermal_core: allow binding with limits on bind_params
2013-09-03 09:10:24 -04:00
timers
doc: add missing files to timers/00-INDEX
2013-10-27 21:55:50 +00:00
tpm
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trace
Documentation/trace/postprocess/trace-vmscan-postprocess.pl: fix the traceevent regex
2014-01-23 16:36:52 -08:00
usb
doc: Fix typo in USB Gadget Documentation
2014-01-10 15:33:54 +01:00
vDSO
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video4linux
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virtual
Merge tag 'kvm-arm-for-3.14' of git://git.linaro.org/people/christoffer.dall/linux-kvm-arm into kvm-queue
2014-01-15 12:14:29 +01:00
vm
mm: documentation: remove hopelessly out-of-date locking doc
2014-01-23 16:36:50 -08:00
w1
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watchdog
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wimax
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x86
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-01-22 21:21:55 -08:00
xtensa
xtensa: remap io area defined in device tree
2014-01-15 00:25:14 +04:00
zh_CN
Documentation: zh_CN: Update broken link to tpp
2013-12-10 23:09:08 -08:00
.gitignore
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00-INDEX
doc: fix a typo in Documentation/00-INDEX
2013-08-27 10:53:07 +02:00
applying-patches.txt
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assoc_array.txt
KEYS: Fix multiple key add into associative array
2013-12-02 11:24:18 +00:00
atomic_ops.txt
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bad_memory.txt
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basic_profiling.txt
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bcache.txt
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binfmt_misc.txt
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braille-console.txt
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bt8xxgpio.txt
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btmrvl.txt
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BUG-HUNTING
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bus-virt-phys-mapping.txt
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cachetlb.txt
Documentation: fix typo and update version in cachetlb.txt
2013-08-20 12:46:52 +02:00
Changes
remove obsolete references to powertweak
2013-11-27 20:34:32 -08:00
circular-buffers.txt
documentation: Update circular buffer for load-acquire/store-release
2013-12-03 10:08:57 -08:00
clk.txt
clk: Add set_rate_and_parent() op
2014-01-16 12:00:57 -08:00
coccinelle.txt
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CodingStyle
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cpu-hotplug.txt
Documentation/cpu-hotplug.txt: fix a typo in example code
2014-01-23 16:37:01 -08:00
cpu-load.txt
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cputopology.txt
doc: Documentation/cputopology.txt fix typo
2013-09-04 12:59:47 +02:00
crc32.txt
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dcdbas.txt
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debugging-modules.txt
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debugging-via-ohci1394.txt
firewire: Enable remote DMA above 4 GB
2014-01-20 01:11:13 +01:00
dell_rbu.txt
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devices.txt
misc: Reserve minor for VFIO
2013-12-19 10:17:11 -07:00
digsig.txt
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DMA-API-HOWTO.txt
DMA-API: provide a helper to set both DMA and coherent DMA masks
2013-09-17 15:32:37 +01:00
DMA-API.txt
DMA-API: provide a helper to set both DMA and coherent DMA masks
2013-09-17 15:32:37 +01:00
DMA-attributes.txt
doc: Documentation/DMA-attributes.txt fix typo
2013-10-14 15:50:53 +02:00
dma-buf-sharing.txt
dma-buf: Expose buffer size to userspace (v2)
2013-09-10 11:36:45 +05:30
DMA-ISA-LPC.txt
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dmaengine.txt
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dmatest.txt
dmatest: add a 'wait' parameter
2013-11-14 11:04:40 -08:00
dontdiff
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dynamic-debug-howto.txt
dynamic-debug-howto.txt: update since new wildcard support
2014-01-23 16:36:55 -08:00
edac.txt
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efi-stub.txt
doc: Fix trivial spelling mistake in efi-stub.txt
2013-12-19 15:09:14 +01:00
eisa.txt
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email-clients.txt
doc: fix some typos
2013-12-02 14:48:28 +01:00
flexible-arrays.txt
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futex-requeue-pi.txt
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gcov.txt
gcov: compile specific gcov implementation based on gcc version
2013-11-13 12:09:34 +09:00
highuid.txt
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HOWTO
Documentation: HOWTO: Update broken links to tpp
2013-12-10 23:09:08 -08:00
hw_random.txt
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hwspinlock.txt
doc: documentation/hwspinlock.txt fix typo
2013-08-27 10:46:02 +02:00
init.txt
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initrd.txt
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intel_txt.txt
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Intel-IOMMU.txt
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io_ordering.txt
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io-mapping.txt
doc: fix some typos
2013-12-02 14:48:28 +01:00
iostats.txt
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IPMI.txt
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IRQ-affinity.txt
doc: fix a typo about irq affinity
2013-08-20 12:59:18 +02:00
IRQ-domain.txt
doc: fix some typos
2013-12-02 14:48:28 +01:00
IRQ.txt
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irqflags-tracing.txt
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isapnp.txt
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java.txt
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kernel-doc-nano-HOWTO.txt
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kernel-docs.txt
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kernel-parameters.txt
Merge tag 'stable/for-linus-3.14-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
2014-01-27 08:17:09 -08:00
kernel-per-CPU-kthreads.txt
kthread: Add pointer to vmstat-avoidance patch
2013-09-25 06:49:46 -07:00
kmemcheck.txt
Documentation/kmemcheck: update kmemcheck documentation
2013-08-27 10:47:05 +02:00
kmemleak.txt
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kobject.txt
kobject: remove kset from sysfs immediately in kset_unregister()
2013-12-07 21:20:11 -08:00
kprobes.txt
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kref.txt
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ldm.txt
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local_ops.txt
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lockdep-design.txt
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lockstat.txt
lockstat: Report avg wait and hold times
2013-10-09 08:19:08 +02:00
lockup-watchdogs.txt
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logo.gif
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logo.txt
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magic-number.txt
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Makefile
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ManagementStyle
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md.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
media-framework.txt
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memory-barriers.txt
locking/doc: Rename LOCK/UNLOCK to ACQUIRE/RELEASE
2014-01-12 10:37:13 +01:00
memory-hotplug.txt
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-09-06 09:36:28 -07:00
module-signing.txt
Add Documentation/module-signing.txt file
2013-12-13 15:59:11 +00:00
mono.txt
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mutex-design.txt
locking/doc: Update references to kernel/mutex.c
2013-11-11 12:41:33 +01:00
nommu-mmap.txt
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numastat.txt
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oops-tracing.txt
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padata.txt
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parport-lowlevel.txt
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parport.txt
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percpu-rw-semaphore.txt
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phy.txt
drivers: phy: add generic PHY framework
2013-09-27 17:35:41 -07:00
pi-futex.txt
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pinctrl.txt
pinctrl: Fix some typos and grammar issues in the documentation
2014-01-15 13:59:50 +01:00
pnp.txt
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preempt-locking.txt
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printk-formats.txt
vsprintf: add %pad extension for dma_addr_t use
2014-01-23 16:36:56 -08:00
pwm.txt
Documentation/pwm: Fix trivial typos
2013-10-24 10:51:33 +02:00
ramoops.txt
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rbtree.txt
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remoteproc.txt
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rfkill.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
robust-futex-ABI.txt
Documentation/robust-futex-API: Count properly to 4
2013-11-30 14:08:28 +01:00
robust-futexes.txt
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rpmsg.txt
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rt-mutex-design.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
rt-mutex.txt
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rtc.txt
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SAK.txt
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SecurityBugs
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serial-console.txt
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sgi-ioc4.txt
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sgi-visws.txt
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SM501.txt
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smsc_ece1099.txt
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sparse.txt
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spinlocks.txt
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stable_api_nonsense.txt
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stable_kernel_rules.txt
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static-keys.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
SubmitChecklist
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SubmittingDrivers
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SubmittingPatches
Documentation/SubmittingPatches: Request summaries for commit references
2013-08-20 12:58:15 +02:00
svga.txt
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sysfs-rules.txt
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sysrq.txt
sysrq: Allow magic SysRq key functions to be disabled through Kconfig
2013-10-16 13:01:44 -07:00
this_cpu_ops.txt
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unaligned-memory-access.txt
ether_addr_equal: Optimize implementation, remove unused compare_ether_addr
2013-12-06 16:37:43 -05:00
unicode.txt
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unshare.txt
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vfio.txt
vfio: fix documentation
2013-09-05 16:36:21 -06:00
VGA-softcursor.txt
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vgaarbiter.txt
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video-output.txt
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vme_api.txt
VME: Rename vme_slot_get to avoid confusion with reference counting
2013-12-03 11:15:58 -08:00
volatile-considered-harmful.txt
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workqueue.txt
workqueue: Correct/Drop references to gcwq in Documentation
2013-08-21 10:32:09 -04:00
ww-mutex-design.txt
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xz.txt
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zorro.txt
zorro/UAPI: Disintegrate include/linux/zorro*.h
2013-11-26 11:09:08 +01:00