On Mon, 27 Mar 2017, Mason wrote: > On 24/03/2017 19:22, Marc Zyngier wrote: > > > You cannot directly use a pointer to a u32 in any of the bitmap > > operations. You need to copy the value to an unsigned long, and > > apply the bitmap op on that. > > On my platform, find_first_zero_bit() resolves to > > int _find_first_zero_bit_le(const void * p, unsigned size); > > If the underlying implementation actually expects an unsigned long > pointer, should the function prototype be changed? Errm? Why are you worrying about the underlying implementations? find_first_zero_bit() is what you are supposed to use in your code. And that explicitely takes a unsigned long pointer. Thanks, tglx
