Extern or forward variable declaration drivers/net/wireless/b43/phy_common.h, line 391 [usage...] include/linux/blkdev.h, line 999 [usage...] include/linux/workqueue.h, line 16 [usage...] include/xen/xenbus.h, line 181 [usage...] Structure include/linux/workqueue.h, line 25 [usage...] Local variable arch/arm/plat-omap/mailbox.c, line 292 [usage...] drivers/net/wimax/i2400m/driver.c, line 128 [usage...] drivers/net/wimax/i2400m/driver.c, line 162 [usage...] Macro (un)definition drivers/staging/otus/wwrap.c, line 1004 [usage...]