equal
deleted
inserted
replaced
3154 |
3154 |
3155 bool os::can_execute_large_page_memory() { |
3155 bool os::can_execute_large_page_memory() { |
3156 return true; |
3156 return true; |
3157 } |
3157 } |
3158 |
3158 |
3159 char* os::reserve_memory_special(size_t bytes, char* addr, bool exec) { |
3159 char* os::reserve_memory_special(size_t bytes, size_t alignment, char* addr, bool exec) { |
|
3160 assert(UseLargePages, "only for large pages"); |
|
3161 |
|
3162 if (!is_size_aligned(bytes, os::large_page_size()) || alignment > os::large_page_size()) { |
|
3163 return NULL; // Fallback to small pages. |
|
3164 } |
3160 |
3165 |
3161 const DWORD prot = exec ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE; |
3166 const DWORD prot = exec ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE; |
3162 const DWORD flags = MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES; |
3167 const DWORD flags = MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES; |
3163 |
3168 |
3164 // with large pages, there are two cases where we need to use Individual Allocation |
3169 // with large pages, there are two cases where we need to use Individual Allocation |
5636 _OpenProcessToken != NULL && |
5641 _OpenProcessToken != NULL && |
5637 _LookupPrivilegeValue != NULL; |
5642 _LookupPrivilegeValue != NULL; |
5638 } |
5643 } |
5639 |
5644 |
5640 #endif |
5645 #endif |
|
5646 |
|
5647 #ifndef PRODUCT |
|
5648 void TestReserveMemorySpecial_test() { |
|
5649 // No tests available for this platform |
|
5650 } |
|
5651 #endif |