Documentation / ABI / testing / sysfs-kernel-mm-mempolicy

Based on kernel version 7.3. Page generated on 2026-10-19 13:17 EDT.

What:		/sys/kernel/mm/mempolicy/
Date:		January 2024
Contact:	Linux memory management mailing list <linux-mm@kvack.org>
Description:	Interface for Mempolicy

• << [ ABI ]
• amdpmf-interface
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• sysfs-bus-event_source-devices-format
• sysfs-bus-event_source-devices-hisi_ptt
• sysfs-bus-event_source-devices-hv_24x7
• sysfs-bus-event_source-devices-hv_gpci
• sysfs-bus-event_source-devices-iommu
• sysfs-bus-event_source-devices-rdpmc
• sysfs-bus-event_source-devices-uncore
• sysfs-bus-event_source-devices-vpa-dtl
• sysfs-bus-event_source-devices-vpa-pmu
• sysfs-bus-fcoe
• sysfs-bus-fsi
• sysfs-bus-fsi-devices-sbefifo
• sysfs-bus-fsl-mc
• sysfs-bus-hsi
• sysfs-bus-i2c-devices-bq32k
• sysfs-bus-i2c-devices-fsa9480
• sysfs-bus-i2c-devices-hm6352
• sysfs-bus-i2c-devices-lm3533
• sysfs-bus-i2c-devices-m24lr
• sysfs-bus-i2c-devices-pca954x
• sysfs-bus-i2c-devices-turris-omnia-mcu
• sysfs-bus-i3c
• sysfs-bus-iio
• sysfs-bus-iio-accel-adxl372
• sysfs-bus-iio-accel-bmc150
• sysfs-bus-iio-ad9739a
• sysfs-bus-iio-adc-ad-sigma-delta
• sysfs-bus-iio-adc-ad4130
• sysfs-bus-iio-adc-ad7192
• sysfs-bus-iio-adc-ad7280a
• sysfs-bus-iio-adc-envelope-detector
• sysfs-bus-iio-adc-hi8435
• sysfs-bus-iio-adc-max11410
• sysfs-bus-iio-adc-mcp3564
• sysfs-bus-iio-adc-mt6360
• sysfs-bus-iio-adc-pac1934
• sysfs-bus-iio-adc-stm32
• sysfs-bus-iio-bno055
• sysfs-bus-iio-cdc-ad7746
• sysfs-bus-iio-chemical-sgp40
• sysfs-bus-iio-chemical-sunrise-co2
• sysfs-bus-iio-chemical-vz89x
• sysfs-bus-iio-cros-ec
• sysfs-bus-iio-dac
• sysfs-bus-iio-dac-ad5766
• sysfs-bus-iio-dac-dpot-dac
• sysfs-bus-iio-dac-ltc2688
• sysfs-bus-iio-dfsdm-adc-stm32
• sysfs-bus-iio-distance-srf08
• sysfs-bus-iio-dma-buffer
• sysfs-bus-iio-filter-admv8818
• sysfs-bus-iio-flow
• sysfs-bus-iio-frequency
• sysfs-bus-iio-frequency-ad9523
• sysfs-bus-iio-frequency-adf4350
• sysfs-bus-iio-frequency-adf4371
• sysfs-bus-iio-frequency-admv1013
• sysfs-bus-iio-frequency-admv1014
• sysfs-bus-iio-gyro-bmg160
• sysfs-bus-iio-health-afe440x
• sysfs-bus-iio-humidity
• sysfs-bus-iio-impedance-analyzer-ad5933
• sysfs-bus-iio-ina2xx-adc
• sysfs-bus-iio-inv_icm42600
• sysfs-bus-iio-isl29501
• sysfs-bus-iio-light-isl29018
• sysfs-bus-iio-light-lm3533-als
• sysfs-bus-iio-light-si1133
• sysfs-bus-iio-light-tsl2583
• sysfs-bus-iio-light-tsl2772
• sysfs-bus-iio-magnetometer-hmc5843
• sysfs-bus-iio-meas-spec
• sysfs-bus-iio-mpu6050
• sysfs-bus-iio-potentiometer-mcp4531
• sysfs-bus-iio-proximity
• sysfs-bus-iio-proximity-as3935
• sysfs-bus-iio-resolver-ad2s1210
• sysfs-bus-iio-sps30
• sysfs-bus-iio-sx9310
• sysfs-bus-iio-sx9324
• sysfs-bus-iio-thermocouple
• sysfs-bus-iio-timer-stm32
• sysfs-bus-iio-trigger-sysfs
• sysfs-bus-iio-vf610
• sysfs-bus-intel_th-devices-gth
• sysfs-bus-intel_th-devices-msc
• sysfs-bus-intel_th-devices-pti
• sysfs-bus-intel_th-output-devices
• sysfs-bus-mcb
• sysfs-bus-mdio
• sysfs-bus-media
• sysfs-bus-mei
• sysfs-bus-mmc
• sysfs-bus-most
• sysfs-bus-moxtet-devices
• sysfs-bus-nfit
• sysfs-bus-nvdimm
• sysfs-bus-optee-devices
• sysfs-bus-papr-pmem
• sysfs-bus-pci
• sysfs-bus-pci-devices-aer
• sysfs-bus-pci-devices-avs
• sysfs-bus-pci-devices-catpt
• sysfs-bus-pci-devices-cciss
• sysfs-bus-pci-devices-pvpanic
• sysfs-bus-pci-drivers-btintel_pcie
• sysfs-bus-pci-drivers-ehci_hcd
• sysfs-bus-pci-drivers-janz-cmodio
• sysfs-bus-pci-drivers-xhci_hcd
• sysfs-bus-peci
• sysfs-bus-platform
• sysfs-bus-platform-devices-ampere-smpro
• sysfs-bus-platform-devices-occ-hwmon
• sysfs-bus-platform-drivers-amd_x3d_vcache
• sysfs-bus-platform-onboard-usb-dev
• sysfs-bus-rapidio
• sysfs-bus-rbd
• sysfs-bus-rpmsg
• sysfs-bus-siox
• sysfs-bus-soundwire-master
• sysfs-bus-soundwire-slave
• sysfs-bus-spi-devices-spi-nor
• sysfs-bus-surface_aggregator-tabletsw
• sysfs-bus-thunderbolt
• sysfs-bus-typec
• sysfs-bus-usb
• sysfs-bus-usb-devices-usbsevseg
• sysfs-bus-usb-lvstest
• sysfs-bus-vdpa
• sysfs-bus-vfio-mdev
• sysfs-bus-vmbus
• sysfs-bus-wmi
• sysfs-c2port
• sysfs-cfq-target-latency
• sysfs-class
• sysfs-class-backlight
• sysfs-class-backlight-driver-lm3533
• sysfs-class-backlight-lm3639
• sysfs-class-bdi
• sysfs-class-bsr
• sysfs-class-chromeos
• sysfs-class-chromeos-driver-cros-ec-lightbar
• sysfs-class-chromeos-driver-cros-ec-vbc
• sysfs-class-devfreq
• sysfs-class-devfreq-event
• sysfs-class-devlink
• sysfs-class-drm
• sysfs-class-extcon
• sysfs-class-fc
• sysfs-class-fc_host
• sysfs-class-fc_remote_ports
• sysfs-class-firmware
• sysfs-class-firmware-attributes
• sysfs-class-fpga-bridge
• sysfs-class-fpga-manager
• sysfs-class-fpga-region
• sysfs-class-gnss
• sysfs-class-hwmon
• sysfs-class-ieee80211-rtw89
• sysfs-class-intel_pmt
• sysfs-class-intel_pmt-features
• sysfs-class-iommu
• sysfs-class-iommu-amd-iommu
• sysfs-class-iommu-intel-iommu
• sysfs-class-issei
• sysfs-class-lcd
• sysfs-class-led
• sysfs-class-led-driver-aw200xx
• sysfs-class-led-driver-lm3533
• sysfs-class-led-driver-turris-omnia
• sysfs-class-led-flash
• sysfs-class-led-multicolor
• sysfs-class-led-trigger-netdev
• sysfs-class-led-trigger-oneshot
• sysfs-class-led-trigger-pattern
• sysfs-class-led-trigger-tty
• sysfs-class-led-trigger-usbport
• sysfs-class-leds-gt683r
• sysfs-class-mei
• sysfs-class-mic
• sysfs-class-mtd
• sysfs-class-mux
• sysfs-class-net
• sysfs-class-net-cdc_ncm
• sysfs-class-net-dsa
• sysfs-class-net-grcan
• sysfs-class-net-janz-ican3
• sysfs-class-net-peak_usb
• sysfs-class-net-phydev
• sysfs-class-net-qmi
• sysfs-class-net-queues
• sysfs-class-net-statistics
• sysfs-class-ocxl
• sysfs-class-platform-profile
• sysfs-class-power
• sysfs-class-power-bd71828
• sysfs-class-power-gaokun
• sysfs-class-power-ltc4162l
• sysfs-class-power-max1720x
• sysfs-class-power-mp2629
• sysfs-class-power-rt9467
• sysfs-class-power-rt9471
• sysfs-class-power-rt9756
• sysfs-class-power-surface
• sysfs-class-power-twl4030
• sysfs-class-power-wilco
• sysfs-class-powercap
• sysfs-class-pwm
• sysfs-class-rapidio
• sysfs-class-rc
• sysfs-class-rc-nuvoton
• sysfs-class-reboot-mode-reboot_modes
• sysfs-class-regulator
• sysfs-class-remoteproc
• sysfs-class-rnbd-client
• sysfs-class-rnbd-server
• sysfs-class-rtc
• sysfs-class-rtc-rtc0-device-rtc_calibration
• sysfs-class-rtrs-client
• sysfs-class-rtrs-server
• sysfs-class-scsi_host
• sysfs-class-scsi_tape
• sysfs-class-spi-eeprom
• sysfs-class-spi-master
• sysfs-class-stm
• sysfs-class-stm_source
• sysfs-class-switchtec
• sysfs-class-tee
• sysfs-class-thermal
• sysfs-class-tsm
• sysfs-class-typec
• sysfs-class-usb_power_delivery
• sysfs-class-usb_role
• sysfs-class-vduse
• sysfs-class-wakeup
• sysfs-class-watchdog
• sysfs-class-zram
• sysfs-dev
• sysfs-devices
• sysfs-devices-consumer
• sysfs-devices-coredump
• sysfs-devices-edac
• sysfs-devices-faux-tdx-host
• sysfs-devices-firmware_node
• sysfs-devices-lpss_ltr
• sysfs-devices-mapping
• sysfs-devices-memory
• sysfs-devices-mmc
• sysfs-devices-online
• sysfs-devices-pci-host-bridge
• sysfs-devices-physical_location
• sysfs-devices-platform-_UDC_-gadget
• sysfs-devices-platform-ACPI-TAD
• sysfs-devices-platform-docg3
• sysfs-devices-platform-dock
• sysfs-devices-platform-ipmi
• sysfs-devices-platform-kunpeng_hccs
• sysfs-devices-platform-sh_mobile_lcdc_fb
• sysfs-devices-platform-soc-ipa
• sysfs-devices-platform-stratix10-rsu
• sysfs-devices-platform-trackpoint
• sysfs-devices-power
• sysfs-devices-power_resources_D0
• sysfs-devices-power_resources_D1
• sysfs-devices-power_resources_D2
• sysfs-devices-power_resources_D3hot
• sysfs-devices-power_resources_wakeup
• sysfs-devices-power_state
• sysfs-devices-real_power_state
• sysfs-devices-removable
• sysfs-devices-resource_in_use
• sysfs-devices-soc
• sysfs-devices-software_node
• sysfs-devices-state_synced
• sysfs-devices-sun
• sysfs-devices-supplier
• sysfs-devices-system-cpu
• sysfs-devices-system-ibm-rtl
• sysfs-devices-system-xen_cpu
• sysfs-devices-vfio-dev
• sysfs-devices-virtual-misc-tdx_guest
• sysfs-devices-waiting_for_supplier
• sysfs-devices-xenbus
• sysfs-driver-altera-cvp
• sysfs-driver-amd-sfh
• sysfs-driver-aspeed-uart-routing
• sysfs-driver-bd9571mwv-regulator
• sysfs-driver-ccp
• sysfs-driver-chromeos-acpi
• sysfs-driver-dell-dw5826e-reset
• sysfs-driver-eud
• sysfs-driver-framer-pef2256
• sysfs-driver-fsi-master-gpio
• sysfs-driver-ge-achc
• sysfs-driver-genwqe
• sysfs-driver-habanalabs
• sysfs-driver-hid
• sysfs-driver-hid-appletb-kbd
• sysfs-driver-hid-corsair
• sysfs-driver-hid-corsair-void
• sysfs-driver-hid-lenovo
• sysfs-driver-hid-lenovo-go
• sysfs-driver-hid-lenovo-go-s
• sysfs-driver-hid-logitech-hidpp
• sysfs-driver-hid-logitech-lg4ff
• sysfs-driver-hid-multitouch
• sysfs-driver-hid-ntrig
• sysfs-driver-hid-picolcd
• sysfs-driver-hid-prodikeys
• sysfs-driver-hid-roccat-kone
• sysfs-driver-hid-srws1
• sysfs-driver-hid-wiimote
• sysfs-driver-input-axp-pek
• sysfs-driver-input-cros-ec-keyb
• sysfs-driver-input-exc3000
• sysfs-driver-intc_sar
• sysfs-driver-intel-i915-hwmon
• sysfs-driver-intel-m10-bmc
• sysfs-driver-intel-m10-bmc-sec-update
• sysfs-driver-intel-rapid-start
• sysfs-driver-intel-xe-hwmon
• sysfs-driver-intel-xe-ras
• sysfs-driver-intel-xe-sriov
• sysfs-driver-intel_sdsi
• sysfs-driver-ivpu
• sysfs-driver-jz4780-efuse
• sysfs-driver-lenovo-yb9-kbdock
• sysfs-driver-panfrost-profiling
• sysfs-driver-panthor-profiling
• sysfs-driver-pciback
• sysfs-driver-ppi
• sysfs-driver-qaic
• sysfs-driver-qat
• sysfs-driver-qat_kpt
• sysfs-driver-qat_ras
• sysfs-driver-qat_rl
• sysfs-driver-qat_svn
• sysfs-driver-samsung-laptop
• sysfs-driver-spi-intel
• sysfs-driver-st
• sysfs-driver-tegra-fuse
• sysfs-driver-toshiba_acpi
• sysfs-driver-toshiba_haps
• sysfs-driver-typec-displayport
• sysfs-driver-uacce
• sysfs-driver-ucsi-ccg
• sysfs-driver-ufs
• sysfs-driver-uio_pci_sva-pasid
• sysfs-driver-uniwill-laptop
• sysfs-driver-w1_ds28e17
• sysfs-driver-w1_therm
• sysfs-driver-wacom
• sysfs-driver-xdata
• sysfs-driver-xen-blkback
• sysfs-driver-xen-blkfront
• sysfs-driver-xilinx-tmr-manager
• sysfs-driver-zynqmp-fpga
• sysfs-edac-ecs
• sysfs-edac-memory-repair
• sysfs-edac-scrub
• sysfs-firmware-acpi
• sysfs-firmware-dmi-entries
• sysfs-firmware-dmi-tables
• sysfs-firmware-efi
• sysfs-firmware-efi-esrt
• sysfs-firmware-efi-runtime-map
• sysfs-firmware-gsmi
• sysfs-firmware-initrd
• sysfs-firmware-lefi-boardinfo
• sysfs-firmware-log
• sysfs-firmware-memmap
• sysfs-firmware-ofw
• sysfs-firmware-opal-powercap
• sysfs-firmware-opal-psr
• sysfs-firmware-opal-sensor-groups
• sysfs-firmware-papr-energy-scale-info
• sysfs-firmware-plpks
• sysfs-firmware-qemu_fw_cfg
• sysfs-firmware-sev-vulnerabilities
• sysfs-firmware-sgi_uv
• sysfs-firmware-turris-mox-rwtm
• sysfs-fs-erofs
• sysfs-fs-ext4
• sysfs-fs-f2fs
• sysfs-fs-nilfs2
• sysfs-fs-ubifs
• sysfs-fs-virtiofs
• sysfs-fs-xfs
• sysfs-hypervisor-xen
• sysfs-ibft
• sysfs-kernel-address_bits
• sysfs-kernel-boot_params
• sysfs-kernel-btf
• sysfs-kernel-cpu_byteorder
• sysfs-kernel-fadump
• sysfs-kernel-fscaps
• sysfs-kernel-hardlockup_count
• sysfs-kernel-iommu_groups
• sysfs-kernel-irq
• sysfs-kernel-kexec-kdump
• sysfs-kernel-livepatch
• sysfs-kernel-mm
• sysfs-kernel-mm-cma
• sysfs-kernel-mm-damon
• sysfs-kernel-mm-hugepages
• sysfs-kernel-mm-ksm
• sysfs-kernel-mm-memory-tiers
• sysfs-kernel-mm-mempolicy
• sysfs-kernel-mm-mempolicy-weighted-interleave
• sysfs-kernel-mm-numa
• sysfs-kernel-mm-swap
• sysfs-kernel-mm-transparent-hugepage
• sysfs-kernel-oops_count
• sysfs-kernel-rcu_stall_count
• sysfs-kernel-reboot
• sysfs-kernel-slab
• sysfs-kernel-softlockup_count
• sysfs-kernel-vmcoreinfo
• sysfs-kernel-warn_count
• sysfs-mce
• sysfs-memory-page-offline
• sysfs-module
• sysfs-nvmem-cells
• sysfs-ocfs2
• sysfs-platform-alienware-wmi
• sysfs-platform-asus-laptop
• sysfs-platform-asus-wmi
• sysfs-platform-at91
• sysfs-platform-ayaneo-ec
• sysfs-platform-brcmstb-gisb-arb
• sysfs-platform-brcmstb-memc
• sysfs-platform-chipidea-usb-otg
• sysfs-platform-chipidea-usb2
• sysfs-platform-dell-laptop
• sysfs-platform-dell-privacy-wmi
• sysfs-platform-dell-smbios
• sysfs-platform-dell-wmi-ddv
• sysfs-platform-dfl-fme
• sysfs-platform-dfl-port
• sysfs-platform-dptf
• sysfs-platform-eeepc-laptop
• sysfs-platform-hidma
• sysfs-platform-hidma-mgmt
• sysfs-platform-i2c-demux-pinctrl
• sysfs-platform-ideapad-laptop
• sysfs-platform-intel-ifs
• sysfs-platform-intel-pmc
• sysfs-platform-intel-wmi-sbl-fw-update
• sysfs-platform-intel-wmi-thunderbolt
• sysfs-platform-kim
• sysfs-platform-lg-laptop
• sysfs-platform-mellanox-bootctl
• sysfs-platform-mellanox-pmc
• sysfs-platform-msi-laptop
• sysfs-platform-oxp
• sysfs-platform-phy-rcar-gen3-usb2
• sysfs-platform-power-on-reason
• sysfs-platform-renesas_usb3
• sysfs-platform-silicom
• sysfs-platform-sst-atom
• sysfs-platform-tahvo-usb
• sysfs-platform-ts5500
• sysfs-platform-twl4030-usb
• sysfs-platform-usbip-vudc
• sysfs-platform-wilco-ec
• sysfs-platform_profile
• sysfs-power
• sysfs-pps
• sysfs-pps-gen
• sysfs-pps-gen-tio
• sysfs-profiling
• sysfs-ptp
• sysfs-secvar
• sysfs-timecard
• sysfs-tty
• sysfs-uevent
• usb-charger-uevent
• usb-uevent
•