Enable CXL Patrol Scrub Control (Patrol Read)
configname: CONFIG_CXL_EDAC_SCRUB
Linux Kernel Configuration
└─>Device Drivers
└─>CXL (Compute Express Link) Devices Support
└─>Enable CXL Patrol Scrub Control (Patrol Read)
In linux kernel since version 5.4.297 (release Date: 2025-08-28)
The CXL EDAC scrub control is optional and allows host to
control the scrub feature configurations of CXL memory expander
devices.
When enabled 'cxl_mem' and 'cxl_region' EDAC devices are
published with memory scrub control attributes as described by
Documentation/ABI/testing/sysfs-edac-scrub.
Say 'y' if you have an expert need to change default settings
of a memory scrub feature established by the platform/device
(e.g. scrub rates for the patrol scrub feature).
Otherwise say 'n'.
control the scrub feature configurations of CXL memory expander
devices.
When enabled 'cxl_mem' and 'cxl_region' EDAC devices are
published with memory scrub control attributes as described by
Documentation/ABI/testing/sysfs-edac-scrub.
Say 'y' if you have an expert need to change default settings
of a memory scrub feature established by the platform/device
(e.g. scrub rates for the patrol scrub feature).
Otherwise say 'n'.