On Aug 26 2007 15:28, Denys Vlasenko wrote: >> > >> > What exactely would using kcalloc() over kzalloc() here buy us? >> >> technically, nothing. > >The idea of calloc is that it can check for underflow in parameter.
Actually, overflow. calloc(0xFFFF0000, 0x1000) => will return NULL malloc(0xFFFF0000 * 0x1000) => silent 32 bit multiplication/truncation, will allocate less than requested. >calloc(-1, 10000000) => easy to detect >malloc(-1 * 10000000) => malloc(-10000000) => not so trivial Jan -- - 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/