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38 #include "memory/metaspace/metaspaceCommon.hpp" |
38 #include "memory/metaspace/metaspaceCommon.hpp" |
39 #include "memory/metaspace/rootChunkArea.hpp" |
39 #include "memory/metaspace/rootChunkArea.hpp" |
40 #include "memory/metaspace/runningCounters.hpp" |
40 #include "memory/metaspace/runningCounters.hpp" |
41 #include "memory/metaspace/virtualSpaceNode.hpp" |
41 #include "memory/metaspace/virtualSpaceNode.hpp" |
42 |
42 |
|
43 #include "runtime/globals.hpp" |
43 #include "runtime/mutexLocker.hpp" |
44 #include "runtime/mutexLocker.hpp" |
44 #include "runtime/os.hpp" |
45 #include "runtime/os.hpp" |
45 |
46 |
46 #include "utilities/align.hpp" |
47 #include "utilities/align.hpp" |
47 #include "utilities/debug.hpp" |
48 #include "utilities/debug.hpp" |
59 void check_word_size_is_aligned_to_commit_granule(size_t word_size) { |
60 void check_word_size_is_aligned_to_commit_granule(size_t word_size) { |
60 assert(is_aligned(word_size, Settings::commit_granule_words()), |
61 assert(is_aligned(word_size, Settings::commit_granule_words()), |
61 "Not aligned to commit granule size: " SIZE_FORMAT ".", word_size); |
62 "Not aligned to commit granule size: " SIZE_FORMAT ".", word_size); |
62 } |
63 } |
63 #endif |
64 #endif |
|
65 |
64 |
66 |
65 // Given an address range, ensure it is committed. |
67 // Given an address range, ensure it is committed. |
66 // |
68 // |
67 // The range has to be aligned to granule size. |
69 // The range has to be aligned to granule size. |
68 // |
70 // |
104 } |
106 } |
105 |
107 |
106 // Commit... |
108 // Commit... |
107 if (os::commit_memory((char*)p, word_size * BytesPerWord, false) == false) { |
109 if (os::commit_memory((char*)p, word_size * BytesPerWord, false) == false) { |
108 vm_exit_out_of_memory(word_size * BytesPerWord, OOM_MMAP_ERROR, "Failed to commit metaspace."); |
110 vm_exit_out_of_memory(word_size * BytesPerWord, OOM_MMAP_ERROR, "Failed to commit metaspace."); |
|
111 } |
|
112 |
|
113 if (AlwaysPreTouch) { |
|
114 os::pretouch_memory(p, p + word_size); |
109 } |
115 } |
110 |
116 |
111 log_debug(gc, metaspace)("Increased metaspace by " SIZE_FORMAT " bytes.", |
117 log_debug(gc, metaspace)("Increased metaspace by " SIZE_FORMAT " bytes.", |
112 commit_increase_words * BytesPerWord); |
118 commit_increase_words * BytesPerWord); |
113 |
119 |