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Alexey Romanov 641608f362 zram: don't retry compress incompressible page 
It doesn't make sense for us to retry to compress an uncompressible page
(comp_len == PAGE_SIZE) in zsmalloc slowpath, because we will be storing
it uncompressed anyway.  We can avoid wasting time on another compression
attempt.  It is enough to take lock (zcomp_stream_get) and execute the
code below.

Link: https://lkml.kernel.org/r/20220824113117.78849-1-avromanov@sberdevices.ru
Signed-off-by: Alexey Romanov <avromanov@sberdevices.ru>
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Dmitry Rokosov <DDRokosov@sberdevices.ru>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-11 20:26:02 -07:00
..
accessibility
TTY / Serial driver changes for 6.0-rc1
2022-08-08 11:31:40 -07:00
acpi
Merge branch 'acpi-processor' into acpi
2022-08-27 14:43:18 +02:00
amba
ARM: 9220/1: amba: Remove deferred device addition
2022-07-28 15:09:23 +01:00
android
binder_alloc: add missing mmap_lock calls when using the VMA
2022-08-28 14:02:44 -07:00
ata
ata: libata-eh: Add missing command name
2022-08-16 05:42:51 +09:00
atm
atm: idt77252: fix use-after-free bugs caused by tst_timer
2022-08-08 20:51:59 -07:00
auxdisplay
…
base
Driver core / kernfs changes for 6.0-rc1
2022-08-04 11:31:20 -07:00
bcma
…
block
zram: don't retry compress incompressible page
2022-09-11 20:26:02 -07:00
bluetooth
SPDX changes for 6.0-rc1
2022-08-04 12:12:54 -07:00
bus
SPDX changes for 6.0-rc1
2022-08-04 12:12:54 -07:00
cdrom
…
char
s390 updates for 5.20 merge window
2022-08-06 17:05:21 -07:00
clk
The clk core gains a new set of APIs that allow drivers to both acquire clks
2022-08-04 18:40:08 -07:00
clocksource
RISC-V: Add Sstc extension support
2022-08-11 14:41:52 -07:00
comedi
pci-v5.20-changes
2022-08-04 19:30:35 -07:00
connector
…
counter
…
cpufreq
cpufreq: check only freq_table in __resolve_freq()
2022-08-23 20:00:52 +02:00
cpuidle
More power management updates for 5.20-rc1
2022-08-08 14:29:00 -07:00
crypto
This update includes the following changes:
2022-08-02 17:45:14 -07:00
cxl
cxl/hdm: Fix skip allocations vs multiple pmem allocations
2022-08-05 16:11:38 -07:00
dax
…
dca
…
devfreq
More power management updates for 5.20-rc1
2022-08-08 14:29:00 -07:00
dio
…
dma
pci-v5.20-changes
2022-08-04 19:30:35 -07:00
dma-buf
drm for 5.20/6.0
2022-08-03 19:52:08 -07:00
edac
powerpc updates for 6.0
2022-08-06 16:38:17 -07:00
eisa
…
extcon
…
firewire
firewire: net: Make use of get_unaligned_be48(), put_unaligned_be48()
2022-07-28 22:21:54 -07:00
firmware
Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
2022-08-24 10:19:20 -07:00
fpga
…
fsi
…
gnss
…
gpio
gpio: updates for v6.0-rc1
2022-08-04 18:34:05 -07:00
gpu
Merge tag 'amd-drm-fixes-6.0-2022-08-25' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
2022-08-26 09:56:53 +10:00
greybus
…
hid
platform-drivers-x86 for v6.0-1
2022-08-04 18:19:14 -07:00
hsi
…
hte
…
hv
…
hwmon
hwmon: (nct6775) Fix platform driver suspend regression
2022-08-10 06:37:01 -07:00
hwspinlock
…
hwtracing
asm-generic: updates for 6.0
2022-08-05 10:07:23 -07:00
i2c
i2c: imx: Make sure to unregister adapter on remove()
2022-08-21 10:27:33 +02:00
i3c
…
idle
Power management updates for 5.20-rc1
2022-08-02 11:17:00 -07:00
iio
iio: light: isl29028: Fix the warning in isl29028_remove()
2022-07-19 09:42:11 +01:00
infiniband
RDMA: Handle the return code from dma_resv_wait_timeout() properly
2022-08-16 17:13:23 +03:00
input
Input updates for 5.20 (6.0) merge window:
2022-08-11 09:23:08 -07:00
interconnect
…
iommu
irqchip fixes for 6.0, take #1
2022-08-18 17:37:22 +02:00
ipack
…
irqchip
irqchip fixes for 6.0, take #1
2022-08-18 17:37:22 +02:00
isdn
…
leds
LED updates for 5.20: new driver for bcm63138, is31fl319x updates,
2022-08-08 11:36:21 -07:00
macintosh
macintosh/adb: fix oob read in do_adb_query() function
2022-07-20 22:06:30 +10:00
mailbox
- mtk: use rx_callback instead of cmdq_task_cb.
2022-08-08 10:19:40 -07:00
mcb
…
md
block-6.0-2022-08-26
2022-08-26 11:05:54 -07:00
media
More power management updates for 5.20-rc1
2022-08-08 14:29:00 -07:00
memory
More power management updates for 5.20-rc1
2022-08-08 14:29:00 -07:00
memstick
MMC core:
2022-08-04 19:41:09 -07:00
message
…
mfd
- Core Frameworks
2022-08-06 10:25:16 -07:00
misc
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
2022-08-05 16:32:45 -07:00
mmc
linux-kselftest-kunit-fixes-6.0-rc3
2022-08-23 13:23:07 -07:00
most
…
mtd
MTD core changes:
2022-08-05 14:13:45 -07:00
mux
…
net
Including fixes from ipsec and netfilter (with one broken Fixes tag).
2022-08-25 14:03:58 -07:00
nfc
nfc: pn533: Fix use-after-free bugs caused by pn532_cmd_timeout
2022-08-22 14:51:30 +01:00
ntb
NTB: epf: Allow more flexibility in the memory BAR map method
2022-08-09 17:54:03 -04:00
nubus
…
nvdimm
virtio: fatures, fixes
2022-08-12 09:50:34 -07:00
nvme
block-6.0-2022-08-12
2022-08-13 13:37:36 -07:00
nvmem
SPDX changes for 6.0-rc1
2022-08-04 12:12:54 -07:00
of
RISC-V Patches for the 5.20 Merge Window, Part 2
2022-08-12 18:39:43 -07:00
opp
OPP updates for 5.20-rc1
2022-08-03 17:49:38 +02:00
parisc
parisc: ccio-dma: Handle kmalloc failure in ccio_init_resources()
2022-08-22 11:09:17 +02:00
parport
…
pci
Fix of heap data and clang warnings, support for a new Intel NTB device,
2022-08-13 14:00:45 -07:00
pcmcia
…
peci
…
perf
perf: riscv legacy: fix kerneldoc comment warning
2022-08-18 14:19:26 -07:00
phy
pci-v5.20-changes
2022-08-04 19:30:35 -07:00
pinctrl
Pin control bulk changes for v6.0:
2022-08-10 11:01:44 -07:00
platform
sound fixes for 6.0-rc2
2022-08-19 09:46:11 -07:00
pnp
PCI: Remove pci_get_legacy_ide_irq() and asm-generic/pci.h
2022-07-22 17:23:45 -05:00
power
power supply and reset changes for the v6.0 series
2022-08-12 09:37:33 -07:00
powercap
Power management updates for 5.20-rc1
2022-08-02 11:17:00 -07:00
pps
…
ps3
…
ptp
SPDX changes for 6.0-rc1
2022-08-04 12:12:54 -07:00
pwm
SPDX changes for 6.0-rc1
2022-08-04 12:12:54 -07:00
rapidio
…
ras
…
regulator
regulator: Fixes for v6.0
2022-08-16 11:36:38 -07:00
remoteproc
virtio: Revert "virtio: find_vqs() add arg sizes"
2022-08-16 01:40:24 -04:00
reset
ARM: SoC: late updates for 6.0
2022-08-05 10:02:33 -07:00
rpmsg
…
rtc
rtc: spear: set range max
2022-08-09 00:56:41 +02:00
s390
s390 updates for 6.0-rc2
2022-08-20 11:29:01 -07:00
sbus
…
scsi
scsi: sd: Revert "Rework asynchronous resume support"
2022-08-22 22:45:25 -04:00
sh
…
siox
…
slimbus
…
soc
More power management updates for 5.20-rc1
2022-08-08 14:29:00 -07:00
soundwire
sound updates for 6.0-rc1
2022-08-06 10:19:51 -07:00
spi
spi: Fixes for v6.0
2022-08-16 11:40:15 -07:00
spmi
…
ssb
…
staging
Staging driver patches for 6.0-rc1
2022-08-04 12:01:42 -07:00
target
SCSI misc on 20220813
2022-08-13 13:41:48 -07:00
tc
…
tee
tee: add overflow check in register_shm_helper()
2022-08-18 09:20:27 -07:00
thermal
Merge branch 'thermal-core'
2022-08-27 15:07:58 +02:00
thunderbolt
USB / Thunderbolt changes for 6.0-rc1
2022-08-04 11:41:28 -07:00
tty
TTY / Serial driver changes for 6.0-rc1
2022-08-08 11:31:40 -07:00
ufs
scsi: ufs: core: Reduce the power mode change timeout
2022-08-19 21:34:36 -04:00
uio
…
usb
TTY / Serial driver changes for 6.0-rc1
2022-08-08 11:31:40 -07:00
vdpa
vdpa/mlx5: Fix possible uninitialized return value
2022-08-11 10:00:36 -04:00
vfio
vfio: Move vfio.c to vfio_main.c
2022-08-08 14:33:41 -06:00
vhost
virtio: fatures, fixes
2022-08-12 09:50:34 -07:00
video
fbdev: fbcon: Properly revert changes when vc_resize() failed
2022-08-26 19:56:18 +02:00
virt
Char / Misc driver changes for 6.0-rc1
2022-08-04 11:05:48 -07:00
virtio
virtio: kerneldocs fixes and enhancements
2022-08-16 01:40:24 -04:00
vlynq
…
w1
…
watchdog
linux-watchdog 5.20-rc1 tag
2022-08-08 15:04:04 -07:00
xen
xen: branch for v6.0-rc3
2022-08-27 15:38:00 -07:00
zorro
…
Kconfig
…
Makefile
Staging driver patches for 6.0-rc1
2022-08-04 12:01:42 -07:00