old_top          3643 oshmem/mca/memheap/ptmalloc/malloc.c   char* old_top = (char*)m->top;
old_top          3644 oshmem/mca/memheap/ptmalloc/malloc.c   msegmentptr oldsp = segment_holding(m, old_top);
old_top          3650 oshmem/mca/memheap/ptmalloc/malloc.c   char* csp = (asp < (old_top + MIN_CHUNK_SIZE))? old_top : asp;
old_top          3682 oshmem/mca/memheap/ptmalloc/malloc.c   if (csp != old_top) {
old_top          3683 oshmem/mca/memheap/ptmalloc/malloc.c     mchunkptr q = (mchunkptr)old_top;
old_top          3684 oshmem/mca/memheap/ptmalloc/malloc.c     size_t psize = csp - old_top;