a13408c20526 ("char/agp: introduce asm-generic/agp.h") 0e4f2c456795 ("char/agp: consolidate {alloc,free}_gatt_pages()") 3e17314c22ea ("agp: define proper stubs for empty helpers") 5ecae8f6aafe ("alpha: agp: make empty macros use do-while-0 style")