On Sat, Jul 7, 2012 at 12:46 PM, loody <miloody@xxxxxxxxx> wrote: > Dear all > "struct ktermios" is the struct used for terminal. > Why the header file is put at arch/mips/include/asm/termbits.h > Doesn't it should located at kernel/include? That is the architecture-specific definition. The generic definition can be found at include/asm-generic/termbits.h Greetings, Philipp