4 static const cell free_list_count = 32;
5 static const cell allocation_page_size = 1024;
13 return (header & 1) == 1;
18 cell size = header & ~7;
25 void make_free(cell size)
34 struct block_size_compare {
35 bool operator()(free_heap_block *a, free_heap_block *b) const
37 return a->size() < b->size();
41 typedef std::multiset<free_heap_block *, block_size_compare> large_block_set;
44 std::vector<free_heap_block *> small_blocks[free_list_count];
45 large_block_set large_blocks;
46 cell free_block_count;
49 void clear_free_list();
50 void initial_free_list(cell start, cell end, cell occupied);
51 void add_to_free_list(free_heap_block *block);
52 free_heap_block *find_free_block(cell size);
53 free_heap_block *split_free_block(free_heap_block *block, cell size);
54 bool can_allot_p(cell size);
55 cell largest_free_block();