bitcount64
#define hweight64(x) (__builtin_constant_p(x) ? HWEIGHT64(x) : bitcount64(x))
#define ice_hweight64(x) bitcount64(x)
num_iqueues = bitcount64(resp->cfg_info.iqmask);
num_oqueues = bitcount64(resp->cfg_info.oqmask);
nblks = bitcount64(scan->bm_bitmap & mask);
bitcount64(*(uint64_t *)FREEMASK_CHUNK((pg), (faddr)))
bitcount64(*FREEMASK_CHUNK((pg), (faddr)))
count = 64 - bitcount64(freemask);