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+This ABI is moved to /sys/firmware/opal/mpipl/release_core.
+
+What: /sys/kernel/fadump_release_opalcore
+Date: Sep 2019
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: write only
+ The sysfs file is available when the system is booted to
+ collect the dump on OPAL based machine. It used to release
+ the memory used to collect the opalcore.