1*8c749ce9SBamvor Jian ZhangCONFIG_MEMORY_HOTPLUG=y 2*8c749ce9SBamvor Jian ZhangCONFIG_MEMORY_HOTPLUG_SPARSE=y 3*8c749ce9SBamvor Jian ZhangCONFIG_NOTIFIER_ERROR_INJECTION=y 4*8c749ce9SBamvor Jian ZhangCONFIG_MEMORY_NOTIFIER_ERROR_INJECT=m 5