3221       size_t psize = mmsize - offset - MMAP_FOOT_PAD;  in mmap_alloc()  local
3224       (p)->head = (psize|CINUSE_BIT);  in mmap_alloc()
3225       mark_inuse_foot(m, p, psize);  in mmap_alloc()
3226       chunk_plus_offset(p, psize)->head = FENCEPOST_HEAD;  in mmap_alloc()
3227       chunk_plus_offset(p, psize+SIZE_T_SIZE)->head = 0;  in mmap_alloc()
3259       size_t psize = newmmsize - offset - MMAP_FOOT_PAD;  in mmap_resize()  local
3260       newp->head = (psize|CINUSE_BIT);  in mmap_resize()
3261       mark_inuse_foot(m, newp, psize);  in mmap_resize()
3262       chunk_plus_offset(newp, psize)->head = FENCEPOST_HEAD;  in mmap_resize()
3263       chunk_plus_offset(newp, psize+SIZE_T_SIZE)->head = 0;  in mmap_resize()
3279 static void init_top(mstate m, mchunkptr p, size_t psize) {  in init_top()  argument
3283   psize -= offset;  in init_top()
3286   m->topsize = psize;  in init_top()
3287   p->head = psize | PINUSE_BIT;  in init_top()
3289   chunk_plus_offset(p, psize)->head = TOP_FOOT_SIZE;  in init_top()
3327   size_t psize = (char*)oldfirst - (char*)p;  in prepend_alloc()  local
3329   size_t qsize = psize - nb;  in prepend_alloc()
3409     size_t psize = csp - old_top;  in add_segment()  local
3410     mchunkptr tn = chunk_plus_offset(q, psize);  in add_segment()
3411     set_free_with_pinuse(q, psize, tn);  in add_segment()
3412     insert_chunk(m, q, psize);  in add_segment()
3625       size_t psize = chunksize(p);  in release_unused_segments()  local
3627       if (!cinuse(p) && (char*)p + psize >= base + size - TOP_FOOT_SIZE) {  in release_unused_segments()
3645           insert_large_chunk(m, tp, psize);  in release_unused_segments()
4276         size_t psize = chunksize(p);  in dlfree()  local
4277         mchunkptr next = chunk_plus_offset(p, psize);  in dlfree()
4282             psize += prevsize + MMAP_FOOT_PAD;  in dlfree()
4283             if (CALL_MUNMAP((char*)p - prevsize, psize) == 0)  in dlfree()
4284               fm->footprint -= psize;  in dlfree()
4289             psize += prevsize;  in dlfree()
4296                 fm->dvsize = psize;  in dlfree()
4297                 set_free_with_pinuse(p, psize, next);  in dlfree()
4309               size_t tsize = fm->topsize += psize;  in dlfree()
4321               size_t dsize = fm->dvsize += psize;  in dlfree()
4328               psize += nsize;  in dlfree()
4330               set_size_and_pinuse_of_free_chunk(p, psize);  in dlfree()
4332                 fm->dvsize = psize;  in dlfree()
4338             set_free_with_pinuse(p, psize, next);  in dlfree()
4339           insert_chunk(fm, p, psize);  in dlfree()
4677         size_t psize = chunksize(p);  in mspace_free()  local
4678         mchunkptr next = chunk_plus_offset(p, psize);  in mspace_free()
4683             psize += prevsize + MMAP_FOOT_PAD;  in mspace_free()
4684             if (CALL_MUNMAP((char*)p - prevsize, psize) == 0)  in mspace_free()
4685               fm->footprint -= psize;  in mspace_free()
4690             psize += prevsize;  in mspace_free()
4697                 fm->dvsize = psize;  in mspace_free()
4698                 set_free_with_pinuse(p, psize, next);  in mspace_free()
4710               size_t tsize = fm->topsize += psize;  in mspace_free()
4722               size_t dsize = fm->dvsize += psize;  in mspace_free()
4729               psize += nsize;  in mspace_free()
4731               set_size_and_pinuse_of_free_chunk(p, psize);  in mspace_free()
4733                 fm->dvsize = psize;  in mspace_free()
4739             set_free_with_pinuse(p, psize, next);  in mspace_free()
4740           insert_chunk(fm, p, psize);  in mspace_free()