253                                const size_t size = 0) PRODUCT_RETURN;

   253                                const size_t size = 0) PRODUCT_RETURN;

   254 

   254 

   255   static int    vm_allocation_granularity();

   255   static int    vm_allocation_granularity();

   256   static char*  reserve_memory(size_t bytes, char* addr = 0,

   256   static char*  reserve_memory(size_t bytes, char* addr = 0,

   257                                size_t alignment_hint = 0);

   257                                size_t alignment_hint = 0);

   258   static char*  attempt_reserve_memory_at(size_t bytes, char* addr);

   259   static char*  attempt_reserve_memory_at(size_t bytes, char* addr);

   259   static void   split_reserved_memory(char *base, size_t size,

   260   static void   split_reserved_memory(char *base, size_t size,

   260                                       size_t split, bool realloc);

   261                                       size_t split, bool realloc);

   261   static bool   commit_memory(char* addr, size_t bytes, bool executable = false);

   262   static bool   commit_memory(char* addr, size_t bytes, bool executable = false);

   262   static bool   commit_memory(char* addr, size_t size, size_t alignment_hint,

   263   static bool   commit_memory(char* addr, size_t size, size_t alignment_hint,