BITS_PER_BYTE 50 oshmem/mca/memheap/buddy/memheap_buddy.c return BITS_PER_BYTE * sizeof(unsigned long); BITS_PER_BYTE 37 oshmem/mca/memheap/buddy/memheap_buddy.h #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(unsigned long))