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Nikanth Karthikesan b40d4f84be /proc/pid/smaps: export amount of anonymous memory in a mapping 
Export the number of anonymous pages in a mapping via smaps.

Even the private pages in a mapping backed by a file, would be marked as
anonymous, when they are modified. Export this information to user-space via
smaps.

Exporting this count will help gdb to make a better decision on which
areas need to be dumped in its coredump; and should be useful to others
studying the memory usage of a process.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Acked-by: Hugh Dickins <hughd@google.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-27 18:03:13 -07:00
..
ABI
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86
2010-10-25 08:28:13 -07:00
accounting
Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS
2009-09-23 07:39:28 -07:00
acpi
ACPI: introduce module parameter acpi.aml_debug_output
2010-08-14 23:02:14 -04:00
aoe
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
arm
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2010-10-24 13:41:39 -07:00
auxdisplay
includecheck fix: Documentation, cfag12864b-example.c
2009-09-24 07:20:57 -07:00
blackfin
Blackfin: document SPI CS limitations with CPHA=0
2010-08-06 12:55:52 -04:00
block
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
2010-10-19 09:13:04 +02:00
blockdev
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
cdrom
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
cgroups
cgroup: add clone_children control file
2010-10-27 18:03:09 -07:00
connector
Documentation/: it's -> its where appropriate
2010-04-23 02:09:52 +02:00
console
doc: fix console doc typo
2010-02-24 13:51:32 +01:00
cpu-freq
[CPUFREQ] Processor Clocking Control interface driver
2010-01-13 10:55:16 -05:00
cpuidle
…
cris
…
crypto
async_tx: add support for asynchronous RAID6 recovery operations
2009-08-29 19:09:27 -07:00
development-process
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
device-mapper
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
DocBook
docbook: add idr/ida to kernel-api docbook
2010-10-26 17:40:56 -07:00
driver-model
Fix spelling of 'platform' in comments and doc
2010-02-05 12:22:34 +01:00
dvb
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2010-08-04 15:31:02 -07:00
early-userspace
…
fault-injection
lkdtm: add debugfs access and loosen KPROBE ties
2010-03-06 11:26:32 -08:00
fb
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
filesystems
/proc/pid/smaps: export amount of anonymous memory in a mapping
2010-10-27 18:03:13 -07:00
firmware_class
firmware: Update hotplug script
2010-08-05 13:53:34 -07:00
frv
…
hwmon
hwmon: LTC4261 Hardware monitoring driver
2010-10-25 14:11:20 -07:00
i2c
i2c: Add support for custom probe function
2010-08-11 18:20:56 +02:00
i2o
…
ia64
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
ide
ide: preserve Host Protected Area by default (v2)
2009-06-07 13:52:52 +02:00
infiniband
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
input
HID: ntrig: add documention
2010-08-30 15:25:18 +02:00
ioctl
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
2010-08-07 17:09:24 -07:00
isdn
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2010-08-04 15:31:02 -07:00
ja_JP
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
kbuild
kbuild: drop unifdef-y support
2010-08-14 22:26:52 +02:00
kdump
trivial: Miscellaneous documentation typo fixes
2009-06-12 18:01:47 +02:00
ko_KR
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
kvm
KVM: Document that KVM_GET_SUPPORTED_CPUID may return emulated values
2010-10-24 10:52:48 +02:00
laptops
thinkpad-acpi: untangle ACPI/vendor backlight selection
2010-08-16 11:54:50 -04:00
lguest
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
2010-10-19 09:13:04 +02:00
m68k
…
make
…
mips
…
misc-devices
Documentation: short descriptions for bh1770glc and apds990x drivers
2010-10-26 16:52:14 -07:00
mmc
mmc: add erase, secure erase, trim and secure trim operations
2010-08-12 08:43:30 -07:00
mn10300
trivial: Miscellaneous documentation typo fixes
2009-06-12 18:01:47 +02:00
mtd
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
namespaces
…
netlabel
Documentation/: it's -> its where appropriate
2010-04-23 02:09:52 +02:00
networking
can-raw: add msg_flags to distinguish local traffic
2010-10-21 04:27:03 -07:00
parisc
…
PCI
Documentation: pci.txt: fix typo
2010-07-11 22:17:45 +02:00
pcmcia
pcmcia: use autoconfiguration feature for ioports and iomem
2010-09-29 17:20:24 +02:00
power
PM: Introduce library for device-specific OPPs (v7)
2010-10-17 01:57:50 +02:00
powerpc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
2010-10-22 20:30:48 -07:00
pps
LinuxPPS: core support
2009-06-18 13:04:04 -07:00
prctl
…
RCU
rcu: Add tracing data to support queueing models
2010-09-23 09:16:53 -07:00
s390
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
scheduler
sched: Remove USER_SCHED from documentation
2010-04-02 20:12:01 +02:00
scsi
[SCSI] st: add MTWEOFI to write filemarks without flushing drive buffer
2010-10-08 17:16:22 -05:00
serial
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
sh
…
sound
Merge branch 'topic/hda' into for-linus
2010-10-25 10:40:05 +02:00
sparc
…
spi
spi/ep93xx: implemented driver for Cirrus EP93xx SPI controller
2010-05-25 00:23:16 -06:00
sysctl
doc: clarify the behaviour of dirty_ratio/dirty_bytes
2010-10-27 18:03:08 -07:00
telephony
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
thermal
thermal: add sanity check for the passive attribute
2009-11-05 18:18:10 -05:00
timers
Documentation/timers/hpet_example.c: add supporting info for hpet_example
2010-10-26 16:52:11 -07:00
trace
tracing, vmscan: add trace events for LRU list shrinking
2010-10-26 16:52:07 -07:00
uml
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
usb
USB: teach "devices" file about Wireless and SuperSpeed USB
2010-10-22 10:21:40 -07:00
video4linux
V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API
2010-08-08 23:43:04 -03:00
vm
mm: highmem documentation
2010-10-26 16:52:08 -07:00
w1
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
watchdog
watchdog: docs: add an entry for imx2_wdt
2010-07-01 16:02:55 +00:00
wimax
…
x86
Merge branch 'x86-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2010-10-22 08:54:21 -07:00
zh_CN
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
.gitignore
add random binaries to .gitignore
2010-04-08 11:34:34 +02:00
00-INDEX
mmc: add erase, secure erase, trim and secure trim operations
2010-08-12 08:43:30 -07:00
apparmor.txt
AppArmor: update Maintainer and Documentation
2010-08-02 15:35:15 +10:00
applying-patches.txt
…
atomic_ops.txt
Documentation/: it's -> its where appropriate
2010-04-23 02:09:52 +02:00
bad_memory.txt
…
basic_profiling.txt
…
binfmt_misc.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
braille-console.txt
trivial: Miscellaneous documentation typo fixes
2009-06-12 18:01:47 +02:00
bt8xxgpio.txt
…
btmrvl.txt
Bluetooth: Add documentation for Marvell Bluetooth driver
2009-08-22 14:25:32 -07:00
BUG-HUNTING
…
bus-virt-phys-mapping.txt
documentation: fix almost duplicate filenames (IO/io-mapping.txt)
2010-07-20 17:49:30 +00:00
cachetlb.txt
Documentation/: it's -> its where appropriate
2010-04-23 02:09:52 +02:00
Changes
Documentation update broken web addresses
2010-07-11 21:55:42 +02:00
circular-buffers.txt
Document Linux's circular buffering capabilities
2010-03-24 16:31:22 -07:00
coccinelle.txt
Documentation: fix ubuntu distro name
2010-06-29 15:27:00 +02:00
CodingStyle
trivial: fix typo milisecond/millisecond for documentation and source comments.
2009-06-12 18:01:46 +02:00
cpu-hotplug.txt
documentation: fix erroneous email address.
2010-08-11 23:04:10 +09:30
cpu-load.txt
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cputopology.txt
topology/sysfs: Provide book id and siblings attributes
2010-09-09 20:41:25 +02:00
credentials.txt
CRED: Fix __task_cred()'s lockdep check and banner comment
2010-07-29 15:16:18 -07:00
dcdbas.txt
…
debugging-modules.txt
…
debugging-via-ohci1394.txt
ieee1394: update URLs in debugging-via-ohci1394.txt
2009-10-03 09:28:11 +02:00
dell_rbu.txt
trivial: Documentation/dell_rbu.txt: fix typos
2009-06-12 18:01:50 +02:00
devices.txt
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
2010-10-22 20:30:48 -07:00
DMA-API-HOWTO.txt
Documentation: DMA-API-HOWTO.txt: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN
2010-08-14 11:56:46 -07:00
DMA-API.txt
dma-mapping: remove dma_is_consistent API
2010-08-11 08:59:21 -07:00
DMA-attributes.txt
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DMA-ISA-LPC.txt
…
dmaengine.txt
…
dontdiff
Merge branch 'for-linus-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-kconfig
2010-02-25 14:43:57 -08:00
dynamic-debug-howto.txt
Dynamic Debug: Introduce ddebug_query= boot parameter
2010-10-22 10:16:42 -07:00
edac.txt
Documentation/edac.txt: Reflect the sysfs changes at the document
2010-05-10 11:49:30 -03:00
eisa.txt
doc: fix Defaultd -> Defaults typo in EISA doc
2010-02-05 12:22:39 +01:00
email-clients.txt
Documentation/email-clients.txt: update gmail information
2010-03-12 15:52:35 -08:00
feature-removal-schedule.txt
cgroup: notify ns_cgroup deprecated
2010-10-27 18:03:09 -07:00
flexible-arrays.txt
Update flex_arrays.txt
2009-10-15 07:25:20 -06:00
futex-requeue-pi.txt
futex: add requeue-pi documentation
2009-05-09 07:12:50 +02:00
gcov.txt
trivial: fix typo in CONFIG_DEBUG_FS in gcov doc
2009-09-21 15:14:56 +02:00
gpio.txt
gpio: doc updates
2010-09-09 18:57:24 -07:00
highuid.txt
…
HOWTO
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
hw_random.txt
…
init.txt
init/main.c: improve usability in case of init binary failure
2010-03-06 11:26:29 -08:00
initrd.txt
…
intel_txt.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
Intel-IOMMU.txt
intel-iommu: Kill DMAR_BROKEN_GFX_WA option.
2009-09-19 09:37:23 -07:00
io_ordering.txt
…
io-mapping.txt
…
iostats.txt
…
IPMI.txt
ipmi: add parameter to limit CPU usage in kipmid
2010-03-12 15:52:39 -08:00
IRQ-affinity.txt
…
IRQ.txt
…
irqflags-tracing.txt
…
isapnp.txt
…
java.txt
…
kernel-doc-nano-HOWTO.txt
docbook: warn on unused doc entries
2010-09-11 16:49:21 -07:00
kernel-docs.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
kernel-parameters.txt
Merge branch 'nfs-for-2.6.37' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
2010-10-25 13:48:29 -07:00
keys-request-key.txt
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keys.txt
KEYS: Add a keyctl to install a process's session keyring on its parent [try #6]
2009-09-02 21:29:22 +10:00
kmemcheck.txt
kmemcheck: update documentation
2009-07-01 22:36:22 +02:00
kmemleak.txt
kmemleak: add clear command support
2009-09-08 16:36:08 +01:00
kobject.txt
kobject: documentation: Update to refer to kset-example.c.
2010-03-19 07:12:20 -07:00
kprobes.txt
kprobes: Update document about irq disabled state in kprobe handler
2010-10-14 08:55:27 +02:00
kref.txt
kref: double kref_put() in my_data_handler()
2009-09-18 09:48:52 -07:00
ldm.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
leds-class.txt
led: document sysfs interface
2009-08-28 15:21:12 -04:00
leds-lp3944.txt
leds: LED driver for National Semiconductor LP3944 Funlight Chip
2009-06-23 20:21:38 +01:00
local_ops.txt
trivial: Miscellaneous documentation typo fixes
2009-06-12 18:01:47 +02:00
lockdep-design.txt
lockdep: Fix typos in documentation
2009-08-07 12:03:46 +02:00
lockstat.txt
lockstat: Add usage info to Documentation/lockstat.txt
2009-12-06 13:20:02 +01:00
logo.gif
Revert "linux.conf.au 2009: Tuz"
2009-04-27 12:00:27 -07:00
logo.txt
Revert "linux.conf.au 2009: Tuz"
2009-04-27 12:00:27 -07:00
magic-number.txt
…
Makefile
Documentation/fs/: split txt and source files
2010-03-12 15:52:35 -08:00
ManagementStyle
…
mca.txt
…
md.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
memory-barriers.txt
Document Linux's circular buffering capabilities
2010-03-24 16:31:22 -07:00
memory-hotplug.txt
mm: add numa node symlink for memory section in sysfs
2009-12-15 08:53:17 -08:00
memory.txt
Documentation/memory.txt: remove some very outdated recommendations
2009-09-22 07:17:26 -07:00
mono.txt
…
mutex-design.txt
mutex: Fix annotations to include it in kernel-locking docbook
2010-09-03 08:19:51 +02:00
nmi_watchdog.txt
…
nommu-mmap.txt
nommu: fix malloc performance by adding uninitialized flag
2009-12-15 08:53:24 -08:00
numastat.txt
mm: fix NUMA accounting in numastat.txt
2009-09-22 07:17:39 -07:00
oops-tracing.txt
panic: Add taint flag TAINT_FIRMWARE_WORKAROUND ('I')
2010-05-19 08:37:43 +01:00
padata.txt
Documentation/padata.txt: fix typos etc.
2010-08-11 08:59:18 -07:00
parport-lowlevel.txt
…
parport.txt
…
pi-futex.txt
…
pnp.txt
doc: capitalization and other minor fixes in pnp doc
2010-02-05 12:22:44 +01:00
preempt-locking.txt
…
printk-formats.txt
…
prio_tree.txt
…
rbtree.txt
rbtree: Add support for augmented rbtrees
2010-02-18 15:40:56 -08:00
rfkill.txt
Document the rfkill sysfs ABI
2010-03-10 17:09:33 -05:00
robust-futex-ABI.txt
futex: documentation: fix inconsistent description of futex list_op_pending
2009-06-18 13:03:56 -07:00
robust-futexes.txt
…
rt-mutex-design.txt
variable name fix to Documentation/rt-mutex-design.txt
2010-06-05 17:39:09 +02:00
rt-mutex.txt
…
rtc.txt
rtc: add boot_timesource sysfs attribute
2009-09-23 07:39:46 -07:00
SAK.txt
…
SecurityBugs
…
SELinux.txt
…
serial-console.txt
…
sgi-ioc4.txt
…
sgi-visws.txt
…
SM501.txt
trivial: Miscellaneous documentation typo fixes
2009-06-12 18:01:47 +02:00
Smack.txt
Documentation/: it's -> its where appropriate
2010-04-23 02:09:52 +02:00
sparse.txt
update email address
2010-07-19 10:56:54 +02:00
spinlocks.txt
Documentation: rw_lock lessons learned
2009-12-14 09:46:56 -08:00
stable_api_nonsense.txt
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stable_kernel_rules.txt
Documentation: -stable rules: upstream commit ID requirement reworded
2010-04-22 15:24:56 -07:00
SubmitChecklist
Documentation: update SubmitChecklist for O=objdir and kconfig testing
2010-05-24 07:31:20 -07:00
SubmittingDrivers
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
SubmittingPatches
SubmittingPatches: add more about patch descriptions
2010-08-09 20:45:05 -07:00
svga.txt
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sysfs-rules.txt
Fix typos in comments
2010-03-16 11:47:56 +01:00
sysrq.txt
documentation: update sysrq.txt magic sysrq keys
2010-10-26 17:32:41 -07:00
tomoyo.txt
TOMOYO: Update version to 2.3.0
2010-08-02 15:35:10 +10:00
unaligned-memory-access.txt
…
unicode.txt
…
unshare.txt
…
VGA-softcursor.txt
…
vgaarbiter.txt
vgaarbiter: fix a typo in the vgaarbiter Documentation
2009-12-16 11:28:58 -08:00
video-output.txt
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volatile-considered-harmful.txt
Documentation/volatile-considered-harmful.txt: correct cpu_relax() documentation
2010-03-24 16:31:20 -07:00
workqueue.txt
workqueue: add and use WQ_MEM_RECLAIM flag
2010-10-11 15:20:26 +02:00
zorro.txt
…