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Sergey Senozhatsky 623e47fc64 zram: introduce per-device debug_stat sysfs node 
debug_stat sysfs is read-only and represents various debugging data that
zram developers may need.  This file is not meant to be used by anyone
else: its content is not documented and will change any time w/o any
notice.  Therefore, the output of debug_stat file contains a version
string.  To avoid any confusion, we will increase the version number
every time we modify the output.

At the moment this file exports only one value -- the number of
re-compressions, IOW, the number of times compression fast path has
failed.  This stat is temporary any will be useful in case if any
per-cpu compression streams regressions will be reported.

Link: http://lkml.kernel.org/r/20160513230834.GB26763@bbox
Link: http://lkml.kernel.org/r/20160511134553.12655-1-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-20 17:58:30 -07:00
..
accessibility printk: move braille console support into separate braille.[ch] files 2013-07-31 14:41:03 -07:00
acpi Merge branches 'acpi-pci', 'acpi-misc' and 'acpi-tools' 2016-05-16 16:45:48 +02:00
amba ARM: 8566/1: drivers: amba: properly handle devices with power domains 2016-05-05 19:00:40 +01:00
android Merge 4.5-rc6 into staging-next 2016-03-01 16:10:45 -08:00
ata dmaengine updates for 4.7 2016-05-19 11:47:18 -07:00
atm
auxdisplay
base Generic device properties framework update for v4.7-rc1 2016-05-16 19:51:04 -07:00
bcma
block zram: introduce per-device debug_stat sysfs node 2016-05-20 17:58:30 -07:00
bluetooth Bluetooth: Add USB ID 13D3:3487 to ath3k 2016-05-13 16:54:59 +02:00
bus Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
cdrom
char Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-05-17 16:26:30 -07:00
clk Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
clocksource Small release overall. 2016-05-19 11:27:09 -07:00
connector
cpufreq powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
cpuidle Merge back new cpuidle material for v4.7. 2016-05-06 22:08:46 +02:00
crypto crypto: qat - change the adf_ctl_stop_devices to void 2016-05-13 17:30:18 +08:00
dca dmaengine: ioatdma: constify dca_ops structures 2015-11-16 09:27:32 +05:30
devfreq PM / devfreq: style/typo fixes 2016-05-03 11:22:10 +09:00
dio
dma dmaengine updates for 4.7 2016-05-19 11:47:18 -07:00
dma-buf
edac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-05-17 17:05:30 -07:00
eisa Revert "EISA: Initialize device before its resources" 2014-01-17 14:57:29 -07:00
extcon extcon: palmas: Drop stray IRQF_EARLY_RESUME flag 2016-04-04 08:32:45 +09:00
firewire treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
firmware Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
fmc
fpga fpga manager: Fix firmware resource leak on error 2015-11-24 15:25:46 -08:00
gpio This is the bulk of GPIO changes for kernel cycle v4.7: 2016-05-17 17:39:42 -07:00
gpu ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
hid Merge branch 'for-4.7/wacom' into for-linus 2016-05-17 12:42:27 +02:00
hsi HSI: omap-ssi: move omap_ssi_port_update_fclk 2016-05-09 22:45:18 +02:00
hv
hwmon
hwspinlock
hwtracing mm: rename _count, field of the struct page, to _refcount 2016-05-19 19:12:14 -07:00
i2c Merge branch 'i2c/for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-05-19 17:48:12 -07:00
ide ide-disk: update to using blk_queue_write_cache() 2016-04-12 16:00:39 -06:00
idle intel_idle: add BXT support 2016-04-09 02:17:43 +02:00
iio Merge branch 'i2c/for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-05-19 17:48:12 -07:00
infiniband powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-05-18 17:12:23 -07:00
iommu IOMMU Updates for Linux v4.7 2016-05-19 17:07:04 -07:00
ipack ipoctal: clear break interrupt as soon as it occurs 2014-09-23 23:26:42 -07:00
irqchip irqchip: nps: add 64BIT dependency 2016-05-20 10:20:47 -07:00
isdn ISDN: eicon: replace custom hex_asc_lo() / hex_pack_byte() 2016-05-08 23:52:13 -04:00
leds leds: gpio: Support the "panic-indicator" firmware property 2016-05-06 10:26:07 +02:00
lguest
lightnvm lightnvm: reserved space calculation incorrect 2016-05-06 12:51:10 -06:00
macintosh powerpc/mm: Abstraction for switch_mmu_context() 2016-05-01 18:33:04 +10:00
mailbox
mcb
md Merge tag 'md/4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2016-05-19 17:25:13 -07:00
media Merge branch 'akpm' (patches from Andrew) 2016-05-19 20:00:06 -07:00
memory memory: samsung: exynos-srom: Add support for bank configuration 2016-04-18 14:25:29 +02:00
memstick
message SCSI misc on 20160517 2016-05-18 16:38:59 -07:00
mfd - New Drivers 2016-05-20 11:10:24 -07:00
misc powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
mmc Merge branch 'for-4.7/drivers' of git://git.kernel.dk/linux-block 2016-05-17 16:03:32 -07:00
mtd Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2016-05-20 10:01:38 -07:00
net mm: rename _count, field of the struct page, to _refcount 2016-05-19 19:12:14 -07:00
nfc NFC: pn533: handle interrupted commands in pn533_recv_frame 2016-05-10 00:01:47 +02:00
ntb
nubus
nvdimm libnvdimm, pfn: fix ARCH=alpha allmodconfig build failure 2016-05-06 10:20:10 -07:00
nvme Merge branch 'for-4.7/drivers' of git://git.kernel.dk/linux-block 2016-05-17 16:03:32 -07:00
nvmem
of powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
oprofile
parisc
parport
pci powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
pcmcia
perf perf/arm: Special-case hetereogeneous CPUs 2016-05-05 10:13:59 +02:00
phy ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
pinctrl Pin control bulk changes for the v4.7 kernel cycle: 2016-05-19 12:50:56 -07:00
platform Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
pnp
power PM / AVS: rockchip-io: make io-domains a child of the GRF 2016-04-26 19:12:28 +02:00
powercap Power management material for v4.7-rc1 2016-05-16 19:17:22 -07:00
pps ntp/pps: use y2038 safe types in pps_event_time 2015-10-01 09:59:16 -07:00
ps3 drivers/ps3: Fix ps3-vuart null dereference 2015-09-29 23:00:58 +10:00
ptp
pwm Merge remote-tracking branches 'regulator/topic/pwm', 'regulator/topic/qcom-spmi', 'regulator/topic/rk808' and 'regulator/topic/s2mps11' into regulator-next 2016-05-13 14:23:46 +01:00
rapidio rapidio/mport_cdev: fix uapi type definitions 2016-05-05 17:38:53 -07:00
ras
regulator Merge remote-tracking branches 'regulator/topic/tps6524x' and 'regulator/topic/twl' into regulator-next 2016-05-13 14:23:49 +01:00
remoteproc remoteproc: Add additional crash reasons 2016-05-12 15:50:19 -07:00
reset reset: Add Oxford Semiconductor Reset Controller driver 2016-04-01 16:31:09 +02:00
rpmsg rpmsg: add THIS_MODULE to rpmsg_driver in rpmsg core 2016-05-06 11:08:58 -07:00
rtc rtc: ds1307: Use irq when available for wakeup-source device 2016-04-21 23:21:00 +02:00
s390 Small release overall. 2016-05-19 11:27:09 -07:00
sbus
scsi scripts/spelling.txt: add "fimware" misspelling 2016-05-19 19:12:14 -07:00
sfi SFI: fix compiler warnings 2014-12-03 18:49:20 -05:00
sh Linux 4.5-rc6 2016-03-04 12:12:08 +01:00
sn
soc ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
spi dmaengine updates for 4.7 2016-05-19 11:47:18 -07:00
spmi
ssb
staging scripts/spelling.txt: add "fimware" misspelling 2016-05-19 19:12:14 -07:00
target Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-05-17 17:05:30 -07:00
tc
thermal Thermal / ACPI / video: add INT3406 thermal driver 2016-05-11 02:15:31 +02:00
thunderbolt
tty dmaengine updates for 4.7 2016-05-19 11:47:18 -07:00
uio
usb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
uwb
vfio powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
vhost
video fbdev changes for 4.7 2016-05-20 11:01:02 -07:00
virt mm/gup: Switch all callers of get_user_pages() to not pass tsk/mm 2016-02-16 10:11:12 +01:00
virtio
vlynq
vme
w1
watchdog Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
xen Merge branch 'linus' into efi/core, to pick up fixes 2016-05-07 07:00:07 +02:00
zorro
Kconfig char/misc drivers for 4.4-rc1 2015-11-04 22:15:15 -08:00
Makefile