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Johannes Weiner c843966c55 mm: allow swappiness that prefers reclaiming anon over the file workingset 
With the advent of fast random IO devices (SSDs, PMEM) and in-memory swap
devices such as zswap, it's possible for swap to be much faster than
filesystems, and for swapping to be preferable over thrashing filesystem
caches.

Allow setting swappiness - which defines the rough relative IO cost of
cache misses between page cache and swap-backed pages - to reflect such
situations by making the swap-preferred range configurable.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Link: http://lkml.kernel.org/r/20200520232525.798933-4-hannes@cmpxchg.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-03 20:09:48 -07:00
..
ABI ACPI updates for 5.8-rc1 2020-06-02 13:25:52 -07:00
accounting
admin-guide mm: allow swappiness that prefers reclaiming anon over the file workingset 2020-06-03 20:09:48 -07:00
arm
arm64 A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
block for-5.8-tag 2020-06-02 19:59:25 -07:00
bpf bpf: lsm: Add Documentation 2020-03-30 01:35:12 +02:00
cdrom
core-api padata: document multithreaded jobs 2020-06-03 20:09:45 -07:00
cpu-freq docs: cpu-freq: convert cpufreq-stats.txt to ReST 2020-03-06 00:01:02 +01:00
crypto
dev-tools linux-kselftest-kunit-5.7-rc1 2020-04-01 16:11:40 -07:00
devicetree drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
doc-guide docs: fix broken references for ReST files that moved around 2020-04-20 15:45:03 -06:00
driver-api Power management updates for 5.8-rc1 2020-06-02 13:17:23 -07:00
fault-injection
fb efi/gop: Add an option to list out the available GOP modes 2020-05-20 19:09:20 +02:00
features mm: remove CONFIG_HAVE_MEMBLOCK_NODE_MAP option 2020-06-03 20:09:43 -07:00
filesystems New code for 5.8: 2020-06-02 19:45:12 -07:00
firmware_class
firmware-guide Documentation: firmware-guide: ACPI: fix table alignment in namespace.rst 2020-04-08 14:27:48 +02:00
fpga
gpu Merge tag 'drm-intel-next-2020-05-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2020-05-20 13:36:45 +10:00
hid
hwmon hwmon: Add Baikal-T1 PVT sensor driver 2020-05-28 07:59:45 -07:00
i2c docs: i2c: rename i2c.svg to i2c_bus.svg 2020-04-20 15:45:41 -06:00
ia64 docs: add IRQ documentation at the core-api book 2020-05-15 12:00:56 -06:00
ide
iio docs: filesystems: convert configfs.txt to ReST 2020-05-05 09:23:25 -06:00
infiniband
input
isdn
kbuild Documentation: kbuild: fix the section title format 2020-04-23 10:53:19 +09:00
kernel-hacking docs: locking: Drop :c:func: throughout 2020-03-20 17:16:24 -06:00
leds
livepatch
locking A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
m68k
maintainer Documentation: fixes to the maintainer-entry-profile template 2020-06-01 09:36:07 -06:00
media media updates for v5.7-rc1 2020-03-30 13:42:05 -07:00
mhi docs: Add documentation for MHI bus 2020-03-19 07:41:04 +01:00
mips docs: mips: remove no longer needed au1xxx_ide.rst documentation 2020-03-24 15:53:48 +01:00
misc-devices doc: misc-device: add uacce to toctree(index) 2020-05-05 09:41:59 -06:00
netlabel
networking A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
nios2
nvdimm nvdimm: fixes to maintainter-entry-profile 2020-05-25 10:19:19 -06:00
openrisc
parisc
PCI docs: pci: boot-interrupts.rst: improve html output 2020-04-20 15:45:23 -06:00
pcmcia
power Power management updates for 5.8-rc1 2020-06-02 13:17:23 -07:00
powerpc docs: powerpc: cxl.rst: mark two section titles as such 2020-04-20 15:45:25 -06:00
process A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
RCU rcu: Make rcu_read_unlock_special() safe for rq/pi locks 2020-04-27 11:03:50 -07:00
riscv
s390 docs: s390: Fix wrong label Guest2 instead of Guest3 2020-05-05 09:45:28 -06:00
scheduler Documentation: scheduler: fix outdated information on sched groups 2020-04-21 13:38:27 -06:00
scsi SCSI misc on 20200402 2020-04-02 17:03:53 -07:00
security A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
sh
sound ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups 2020-03-31 10:54:06 +02:00
sparc
sphinx docs: update recommended Sphinx version to 2.4.4 2020-04-20 15:35:58 -06:00
sphinx-static
spi
target docs: prevent warnings due to autosectionlabel 2020-03-20 17:01:29 -06:00
timers
trace A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
translations docs: add IRQ documentation at the core-api book 2020-05-15 12:00:56 -06:00
usb A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
userspace-api docs: ioctl-number.rst: add habanalabs driver IOCTL 2020-04-20 17:01:53 -06:00
virt A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
vm docs/vm: update memory-models documentation 2020-06-03 20:09:44 -07:00
w1
watchdog watchdog: update email address in conversion doc 2020-05-05 09:39:53 -06:00
x86 A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
xtensa
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
asm-annotations.rst
atomic_bitops.txt
atomic_t.txt
bus-virt-phys-mapping.txt
Changes
CodingStyle
conf.py docs: LaTeX/PDF: drop list of documents 2020-04-20 15:35:58 -06:00
COPYING-logo
crc32.txt
docutils.conf
dontdiff
index.rst Char/Misc driver patches for 5.7-rc1 2020-04-03 13:22:40 -07:00
Kconfig
kprobes.txt
logo.gif
lzo.txt
mailbox.txt
Makefile docs: Makefile: place final pdf docs on a separate dir 2020-04-20 15:45:41 -06:00
memory-barriers.txt docs: fix broken references to text files 2020-04-20 15:35:59 -06:00
nommu-mmap.txt
remoteproc.txt remoteproc: Add elf64 support in elf loader 2020-03-25 22:29:40 -07:00
rpmsg.txt
speculation.txt
static-keys.txt
SubmittingPatches
tee.txt
this_cpu_ops.txt
xz.txt