46 bool executable);
47 protected:
48 void initialize(size_t size, size_t alignment, bool large,
49 char* requested_address,
50 bool executable);
51
52 public:
53 // Constructor
54 ReservedSpace();
55 // Initialize the reserved space with the given size. If preferred_page_size
56 // is set, use this as minimum page size/alignment. This may waste some space
57 // if the given size is not aligned to that value, as the reservation will be
58 // aligned up to the final alignment in this case.
59 ReservedSpace(size_t size, size_t preferred_page_size = 0);
60 ReservedSpace(size_t size, size_t alignment, bool large,
61 char* requested_address = NULL);
62 ReservedSpace(size_t size, size_t alignment, bool large, bool executable);
63
64 // Accessors
65 char* base() const { return _base; }
66 size_t size() const { return _size; }
67 char* end() const { return _base + _size; }
68 size_t alignment() const { return _alignment; }
69 bool special() const { return _special; }
70 bool executable() const { return _executable; }
71 size_t noaccess_prefix() const { return _noaccess_prefix; }
72 bool is_reserved() const { return _base != NULL; }
73 void release();
74
75 // Splitting
76 ReservedSpace first_part(size_t partition_size, size_t alignment,
77 bool split = false, bool realloc = true);
78 ReservedSpace last_part (size_t partition_size, size_t alignment);
79
80 // These simply call the above using the default alignment.
81 inline ReservedSpace first_part(size_t partition_size,
82 bool split = false, bool realloc = true);
83 inline ReservedSpace last_part (size_t partition_size);
84
85 // Alignment
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46 bool executable);
47 protected:
48 void initialize(size_t size, size_t alignment, bool large,
49 char* requested_address,
50 bool executable);
51
52 public:
53 // Constructor
54 ReservedSpace();
55 // Initialize the reserved space with the given size. If preferred_page_size
56 // is set, use this as minimum page size/alignment. This may waste some space
57 // if the given size is not aligned to that value, as the reservation will be
58 // aligned up to the final alignment in this case.
59 ReservedSpace(size_t size, size_t preferred_page_size = 0);
60 ReservedSpace(size_t size, size_t alignment, bool large,
61 char* requested_address = NULL);
62 ReservedSpace(size_t size, size_t alignment, bool large, bool executable);
63
64 // Accessors
65 char* base() const { return _base; }
66 int nvdimm_fd() const { return _fd_for_heap; }
67 void setup_fd(int fd) {_fd_for_heap = fd; }
68 size_t size() const { return _size; }
69 char* end() const { return _base + _size; }
70 size_t alignment() const { return _alignment; }
71 bool special() const { return _special; }
72 bool executable() const { return _executable; }
73 size_t noaccess_prefix() const { return _noaccess_prefix; }
74 bool is_reserved() const { return _base != NULL; }
75 void release();
76
77 // Splitting
78 ReservedSpace first_part(size_t partition_size, size_t alignment,
79 bool split = false, bool realloc = true);
80 ReservedSpace last_part (size_t partition_size, size_t alignment);
81
82 // These simply call the above using the default alignment.
83 inline ReservedSpace first_part(size_t partition_size,
84 bool split = false, bool realloc = true);
85 inline ReservedSpace last_part (size_t partition_size);
86
87 // Alignment
|