Extern or forward variable declaration at include/linux/pstore.h, line 21 References: arch/ia64/include/asm/sal.h, line 456 arch/ia64/include/asm/sal.h, line 475 drivers/acpi/osl.c, line 831 drivers/acpi/osl.c, line 866 drivers/acpi/osl.c, line 896 drivers/acpi/osl.c, line 926 drivers/acpi/osl.c, line 956 drivers/acpi/osl.c, line 987 drivers/hv/vmbus_drv.c, line 1339 drivers/scsi/isci/init.c, line 152 drivers/xen/xenbus/xenbus_probe.c, line 298 fs/pstore/platform.c, line 558 include/linux/pstore.h, line 21 include/linux/pstore.h, line 172