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- # SPDX-License-Identifier: GPL-2.0
- config RAS_CEC
- bool "Correctable Errors Collector"
- depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS
- ---help---
- This is a small cache which collects correctable memory errors per 4K
- page PFN and counts their repeated occurrence. Once the counter for a
- PFN overflows, we try to soft-offline that page as we take it to mean
- that it has reached a relatively high error count and would probably
- be best if we don't use it anymore.
- Bear in mind that this is absolutely useless if your platform doesn't
- have ECC DIMMs and doesn't have DRAM ECC checking enabled in the BIOS.
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