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CONFIG_CRASH_HOTPLUG: Update the crash elfcorehdr on system configuration changes

General informations

The Linux kernel configuration item CONFIG_CRASH_HOTPLUG:

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Enable direct update to the crash elfcorehdr (which contains the list of CPUs and memory regions to be dumped upon a crash) in response to hot plug/unplug or online/offline of CPUs or memory. This is a much more advanced approach than userspace attempting that.

If unsure, say Y.



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