Hi Pekka, Pekka J Enberg <[EMAIL PROTECTED]> wrote: > Hi Dmitry, > > Mark Gross writes: > > > > + > > > > +/* 0 = Dynamic allocation of the major device number */ > > > > +#define TLCLK_MAJOR 252 > > Pekka J Enberg <[EMAIL PROTECTED]> wrote: > > > Enums, please. > > > > > Dmitry Torokhov writes: > > But not here - it is a single constant, not a value of a distinct type. > > Fair enough, "static const int" would work here too. Defines should be > avoided because they allow you to override a value without ever noticing it. >
Would not this cause compiler to allocate memory for the constant? I suppose if GCC is really good it could eliminate allocation since nothing takes its address, but I am not sure. With #define you can be sure that it is just a constant expression. -- Dmitry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
