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Li Zefan c89da70c73 kmemleak: allow freeing internal objects after kmemleak was disabled 
Currently if kmemleak is disabled, the kmemleak objects can never be
freed, no matter if it's disabled by a user or due to fatal errors.

Those objects can be a big waste of memory.

    OBJS ACTIVE  USE OBJ SIZE  SLABS OBJ/SLAB CACHE SIZE NAME
  1200264 1197433  99%    0.30K  46164       26    369312K kmemleak_object

With this patch, after kmemleak was disabled you can reclaim memory
with:

	# echo clear > /sys/kernel/debug/kmemleak

Also inform users about this with a printk.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:20:50 -07:00
..
ABI
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2014-04-02 20:53:45 -07:00
accounting
Documentation/accounting/getdelays.c: avoid strncpy in accounting tool
2013-07-03 16:08:06 -07:00
acpi
ACPI and power management updates for 3.14-rc1
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
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
arm64
arm64: Extend the PCI I/O space to 16MB
2014-02-26 11:16:27 +00:00
auxdisplay
…
backlight
backlight: lp855x_bl: support new LP8555 device
2013-11-13 12:09:14 +09:00
blackfin
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
block
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
blockdev
drbd: Describe the future high-level structure of DRBD
2014-02-17 16:27:48 +01:00
bus-devices
ARM: OMAP2+: gpmc: generic timing calculation
2012-11-09 18:07:11 +05:30
cdrom
…
cgroups
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2014-01-31 09:31:14 -08:00
connector
connector: add portid to unicast in addition to broadcasting
2014-02-07 15:40:17 -08:00
console
TTY:console: update document console.txt
2013-05-21 10:21:57 -07:00
cpu-freq
cpufreq: Add stop CPU callback to cpufreq_driver interface
2014-03-20 03:50:12 +01:00
cpuidle
cpuidle: remove cpuidle_unregister_governor()
2013-10-30 01:21:24 +01:00
cris
CRIS: Update documentation
2012-04-03 13:09:18 +02:00
crypto
drivers/dma: remove unused support for MEMSET operations
2013-07-03 16:07:42 -07:00
development-process
Documentation: development-process: Update -mm and -next URLs
2013-07-25 12:37:24 +02:00
device-mapper
dm thin: fix Documentation for held metadata root feature
2014-03-06 14:23:35 -05:00
devicetree
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2014-04-02 20:53:45 -07:00
DocBook
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2014-04-02 20:53:45 -07:00
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
[media] update Michael Krufky's email address
2014-02-04 06:34:21 -02:00
early-userspace
Documentation: remove reference to 2.7 kernel in early-userspace
2013-08-20 12:47:28 +02:00
EDID
drm: Add 1600x1200 (UXGA) screen resolution to the built-in EDIDs
2013-04-12 14:06:16 +10:00
extcon
extcon: fix switch class porting guide (Documentation)
2014-01-07 11:54:28 +09:00
fault-injection
doc: fix quite a few typos within Documentation
2012-11-19 14:28:24 +01:00
fb
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
filesystems
doc: fix double words
2014-03-21 13:16:58 +01:00
firmware_class
firmware loader: document firmware cache mechanism
2012-11-14 15:07:18 -08:00
fmc
FMC: make eeprom attribute writable
2014-02-28 15:12:08 -08:00
frv
…
gpio
gpiolib: return -ENOENT if no GPIO mapping exists
2013-12-12 19:33:59 +01:00
hid
HID: uhid: Add UHID_CREATE2 + UHID_INPUT2
2014-04-01 18:27:33 +02:00
hwmon
hwmon: (pmbus/ltc2978) Add support for LTM4676
2014-03-19 18:59:40 -07:00
i2c
Documentation: i2c: mention ACPI method for instantiating devices
2014-02-15 19:46:34 +01:00
i2o
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
ia64
Fix example error_injection_tool
2013-04-02 09:39:55 -07:00
ide
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
infiniband
IB/ipoib: Add rtnl_link_ops support
2012-09-20 16:49:17 -04:00
input
doc: fix double words
2014-03-21 13:16:58 +01:00
ioctl
s390/hypfs: add interface for diagnose 0x304
2014-01-24 09:40:59 +01:00
isdn
Documentation: remove references to /etc/modprobe.conf
2012-03-30 16:03:15 -07:00
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
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-07-04 11:40:58 -07:00
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/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
leds
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
m68k
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
make
…
memory-devices
memory: emif: add basic infrastructure for EMIF driver
2012-05-02 00:10:49 -07:00
metag
doc: fix misspellings with 'codespell' tool
2013-05-28 12:02:12 +02:00
mic
misc: mic: Fix endianness issues.
2013-11-27 11:03:38 -08:00
mips
…
misc-devices
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
2014-01-29 18:56:27 -08:00
mmc
mmc: core: Add in support to expose PRV for v4 MMCs
2013-03-22 12:10:42 -04:00
mn10300
…
mtd
mtd: nand: pxa3xx: Add documentation about the controller
2014-01-03 11:22:09 -08:00
namespaces
userns: Recommend use of memory control groups.
2013-01-26 22:20:06 -08:00
netlabel
…
networking
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2014-04-02 20:53:45 -07:00
nfc
NFC: Update pn544 documentation
2013-01-10 01:27:46 +01:00
parisc
parisc: document the shadow registers
2013-07-09 22:09:19 +02:00
PCI
Merge branch 'pci/dead-code' into next
2014-02-20 14:32:34 -07:00
pcmcia
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phy
phy: Add new Exynos USB 2.0 PHY driver
2014-03-08 12:39:44 +05:30
power
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-04-02 16:23:38 -07:00
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
seccomp: Make syscall skipping and nr changes more consistent
2012-10-02 21:14:29 +10:00
pti
…
ptp
ptp: Fix compiler warnings in the testptp utility
2014-03-27 14:51:47 -04:00
rapidio
doc: Fix typo in doucmentations
2013-07-25 12:34:15 +02:00
RCU
documentation: Fix some inconsistencies in RTFP.txt
2014-02-17 14:56:10 -08:00
s390
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
scheduler
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
scsi
[SCSI] megaraid_sas: Version and Changelog update
2014-03-15 10:19:21 -07:00
security
doc: fix double words
2014-03-21 13:16:58 +01:00
serial
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
sh
…
sound
x86, platforms: Remove SGI Visual Workstation
2014-02-27 08:07:39 -08:00
spi
Merge remote-tracking branches 'spi/topic/s3c64xx', 'spi/topic/sc18is602', 'spi/topic/sh-hspi', 'spi/topic/sh-msiof', 'spi/topic/sh-sci', 'spi/topic/sirf' and 'spi/topic/spidev' into spi-next
2014-03-30 00:51:34 +00:00
sysctl
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-03-31 11:21:19 -07:00
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
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
tpm
drivers/tpm: add xen tpmfront interface
2013-08-09 10:57:06 -04:00
trace
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-04-02 16:23:38 -07:00
usb
doc: fix double words
2014-03-21 13:16:58 +01:00
vDSO
…
video4linux
[media] sn9c102: prepare for removal by moving it to staging
2013-12-20 13:41:36 -02:00
virtual
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-04-02 16:23:38 -07:00
vm
doc: fix double words
2014-03-21 13:16:58 +01:00
w1
Merge 3.14-rc3 into char-misc-next
2014-02-18 08:09:40 -08:00
watchdog
watchdog: it87_wdt: Work around non-working CIR interrupts
2014-03-31 13:33:55 +02:00
wimax
…
x86
x86, boot: Correct max ramdisk size name
2014-03-13 15:32:42 -07:00
xtensa
xtensa: remap io area defined in device tree
2014-01-15 00:25:14 +04:00
zh_CN
Documentation:Update Documentation/zh_CN/arm64/memory.txt
2014-02-07 15:24:31 -08:00
.gitignore
…
00-INDEX
Merge branch 'x86-nuke-platforms-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-04-02 13:15:58 -07:00
applying-patches.txt
…
assoc_array.txt
KEYS: Fix multiple key add into associative array
2013-12-02 11:24:18 +00:00
atomic_ops.txt
Documentation: Memory barrier semantics of atomic_xchg()
2013-01-08 14:14:55 -08:00
bad_memory.txt
…
basic_profiling.txt
…
bcache.txt
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-07-04 11:40:58 -07:00
binfmt_misc.txt
…
braille-console.txt
…
bt8xxgpio.txt
…
btmrvl.txt
…
BUG-HUNTING
…
bus-virt-phys-mapping.txt
…
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
Coccinelle: Update information about the minimal version required
2013-07-03 22:58:20 +02:00
CodingStyle
Documentation/CodingStyle: allow multiple return statements per function
2013-07-03 16:08:01 -07:00
cpu-hotplug.txt
Documentation/cpu-hotplug.txt: fix a typo in example code
2014-01-23 16:37:01 -08:00
cpu-load.txt
…
cputopology.txt
doc: Documentation/cputopology.txt fix typo
2013-09-04 12:59:47 +02:00
crc32.txt
crc32: move long comment about crc32 fundamentals to Documentation/
2012-03-23 16:58:37 -07:00
dcdbas.txt
…
debugging-modules.txt
…
debugging-via-ohci1394.txt
firewire: Enable remote DMA above 4 GB
2014-01-20 01:11:13 +01:00
dell_rbu.txt
…
devices.txt
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2014-04-02 20:53:45 -07:00
digsig.txt
crypto: digital signature verification support
2011-11-09 12:10:37 +02:00
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
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
dmatest.txt
dmatest: add a 'wait' parameter
2013-11-14 11:04:40 -08:00
dontdiff
x86: remove offsets.h from .gitignore and dontdiff
2012-11-19 14:10:53 +01:00
dynamic-debug-howto.txt
dynamic-debug-howto.txt: update since new wildcard support
2014-01-23 16:36:55 -08:00
edac.txt
Merge branch 'devel'
2012-07-29 21:11:05 -03:00
efi-stub.txt
doc: Fix trivial spelling mistake in efi-stub.txt
2013-12-19 15:09:14 +01:00
eisa.txt
MCA: delete all remaining traces of microchannel bus support.
2012-05-17 19:06:13 -04:00
email-clients.txt
doc: fix some typos
2013-12-02 14:48:28 +01:00
flexible-arrays.txt
…
futex-requeue-pi.txt
doc: fix double words
2014-03-21 13:16:58 +01:00
gcov.txt
gcov: compile specific gcov implementation based on gcc version
2013-11-13 12:09:34 +09:00
highuid.txt
…
HOWTO
Documentation: HOWTO: Update broken links to tpp
2013-12-10 23:09:08 -08:00
hw_random.txt
hwrng: Fix a wrong comment in Documentation/hw_random.txt
2013-03-10 18:16:36 +08:00
hwspinlock.txt
doc: documentation/hwspinlock.txt fix typo
2013-08-27 10:46:02 +02:00
init.txt
…
initrd.txt
Documentation/initrd.txt: Change the location of util-linux
2012-05-25 16:18:34 +02:00
intel_txt.txt
Documentation: remove depends on CONFIG_EXPERIMENTAL
2013-01-11 11:38:03 -08:00
Intel-IOMMU.txt
…
io_ordering.txt
…
io-mapping.txt
doc: fix some typos
2013-12-02 14:48:28 +01:00
iostats.txt
iostats.txt: add easy-to-find description for field 6
2013-04-29 15:18:50 +02:00
IPMI.txt
ipmi: add options to disable openfirmware and PCI scanning
2013-02-27 19:10:21 -08:00
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
…
irqflags-tracing.txt
…
isapnp.txt
…
java.txt
…
kernel-doc-nano-HOWTO.txt
kernel-doc: Update references to SGML to refs to XML instead.
2013-05-28 12:02:11 +02:00
kernel-docs.txt
…
kernel-parameters.txt
More ACPI and power management updates for 3.15-rc1
2014-04-02 14:10:21 -07:00
kernel-per-CPU-kthreads.txt
Documentation/kernel-per-CPU-kthreads.txt: Workqueue affinity
2014-02-17 14:56:08 -08:00
kmemcheck.txt
doc: fix double words
2014-03-21 13:16:58 +01:00
kmemleak.txt
kmemleak: allow freeing internal objects after kmemleak was disabled
2014-04-03 16:20:50 -07:00
kobject.txt
kobject: remove kset from sysfs immediately in kset_unregister()
2013-12-07 21:20:11 -08:00
kprobes.txt
…
kref.txt
kref: Add kref_get_unless_zero documentation
2012-11-28 18:36:06 +10:00
ldm.txt
…
local_ops.txt
…
lockdep-design.txt
lockdep: Update documentation for lock-class leak detection
2011-12-11 10:31:23 -08:00
lockstat.txt
lockstat: Report avg wait and hold times
2013-10-09 08:19:08 +02:00
lockup-watchdogs.txt
watchdog: Update documentation
2012-02-11 15:11:28 +01:00
logo.gif
…
logo.txt
…
magic-number.txt
wanrouter: completely decouple obsolete code from kernel.
2013-01-31 19:20:33 -05:00
Makefile
mei: move doc files Documentation/misc-devices/mei
2012-05-09 13:59:09 -07:00
ManagementStyle
Documentation: ManagementStyle: fixed typo
2012-06-28 12:03:15 +02:00
md.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
media-framework.txt
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2013-07-13 12:09:57 -07:00
memory-barriers.txt
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-04-02 16:23:38 -07:00
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
doc: Insert MODULE_ in module-signing macros
2014-02-20 14:55:04 +01:00
mono.txt
Documentation: remove references to /etc/modprobe.conf
2012-03-30 16:03:15 -07:00
mutex-design.txt
locking/doc: Update references to kernel/mutex.c
2013-11-11 12:41:33 +01:00
nommu-mmap.txt
…
numastat.txt
Doc: Update numastat.txt
2012-02-28 16:05:06 +01:00
oops-tracing.txt
module,bug: Add TAINT_OOT_MODULE flag for modules not built in-tree
2011-11-07 07:54:42 +10:30
padata.txt
…
parport-lowlevel.txt
…
parport.txt
Documentation: remove references to /etc/modprobe.conf
2012-03-30 16:03:15 -07:00
percpu-rw-semaphore.txt
percpu-rw-semaphore: fix documentation typos
2012-09-26 19:56:15 +02:00
phy.txt
drivers: phy: Add support for optional phys
2014-02-05 05:48:43 +00:00
pi-futex.txt
…
pinctrl.txt
pinctrl: Fix some typos and grammar issues in the documentation
2014-01-15 13:59:50 +01:00
pnp.txt
…
preempt-locking.txt
…
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
pstore/ftrace: Convert to its own enable/disable debugfs knob
2012-09-06 22:16:58 -07:00
rbtree.txt
rbtree: move augmented rbtree functionality to rbtree_augmented.h
2012-10-09 16:22:40 +09:00
remoteproc.txt
remoteproc: add rproc_report_crash function to notify rproc crashes
2012-09-18 12:53:22 +03:00
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
…
rpmsg.txt
Documentation: remove __dev* attributes.
2013-01-03 15:57:16 -08:00
rt-mutex-design.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
rt-mutex.txt
…
rtc.txt
rtc: add ability to push out an existing wakealarm using sysfs
2013-07-03 16:07:54 -07:00
SAK.txt
…
SecurityBugs
…
serial-console.txt
…
sgi-ioc4.txt
…
SM501.txt
…
smsc_ece1099.txt
mfd: smsc: Add support for smsc gpio io/keypad driver
2012-10-01 15:27:48 +02:00
sparse.txt
Documentation/sparse.txt: document context annotations for lock checking
2012-12-17 17:15:23 -08:00
spinlocks.txt
sched: Rename sched.c as sched/core.c in comments and Documentation
2013-06-19 12:58:42 +02:00
stable_api_nonsense.txt
…
stable_kernel_rules.txt
stable: Allow merging of backports for serious user-visible performance issues
2012-06-25 12:11:58 -07:00
static-keys.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
SubmitChecklist
Finally eradicate CONFIG_HOTPLUG
2013-06-03 14:20:18 -07:00
SubmittingDrivers
…
SubmittingPatches
Documentation/SubmittingPatches: Request summaries for commit references
2013-08-20 12:58:15 +02:00
svga.txt
…
sysfs-rules.txt
doc: Fix typo in doucmentations
2013-07-25 12:34:15 +02:00
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
percpu: add documentation on this_cpu operations
2013-04-04 10:24:53 -07:00
unaligned-memory-access.txt
ether_addr_equal: Optimize implementation, remove unused compare_ether_addr
2013-12-06 16:37:43 -05:00
unicode.txt
…
unshare.txt
…
vfio.txt
vfio: fix documentation
2013-09-05 16:36:21 -06:00
VGA-softcursor.txt
…
vgaarbiter.txt
misc latin1 to utf8 conversions
2012-01-02 13:04:55 +01:00
video-output.txt
…
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
…
workqueue.txt
workqueue: Correct/Drop references to gcwq in Documentation
2013-08-21 10:32:09 -04:00
ww-mutex-design.txt
mutex: Add support for wound/wait style locks
2013-06-26 12:10:56 +02:00
xz.txt
…
zorro.txt
zorro/UAPI: Disintegrate include/linux/zorro*.h
2013-11-26 11:09:08 +01:00