} else
#elif defined HAVE_MALLINFO
/* don't use mallinfo() if over 2GB used, since it returns "int" */
- if ((char *)sbrk(0) - (char *)track->brk_start < 2LL << 30) {
+ if ((unsigned long)((char *)sbrk(0) - (char *)track->brk_start) <
+ 2UL << 30) {
struct mallinfo malloc_info = mallinfo();
printf("Memory used: %lluk/%lluk (%lluk/%lluk), ",