RFR(XS) JDK-8176571:

[Milan Mimica]

Hello


Here is my attempt to fix https://bugs.openjdk.java.net/browse/JDK-8176571. The same applies to jdk9 and 10.

It changes the NMT category of CHeapBitMap which is used only in G1 code. Given that the class is defined in "share" scope, and it may be used elsewhere in the future, perhaps it should be made made a template? That will add more boilerplate code to g1 sources.


--- old/src/share/vm/utilities/bitMap.cpp    2017-05-21 13:09:15.350905240 +0200
+++ new/src/share/vm/utilities/bitMap.cpp    2017-05-21 13:09:15.286905238 +0200
@@ -48,10 +48,10 @@
 class CHeapBitMapAllocator : StackObj {
  public:
   bm_word_t* allocate(size_t size_in_words) const {
-    return ArrayAllocator<bm_word_t, mtInternal>::allocate(size_in_words);
+    return ArrayAllocator<bm_word_t, mtGC>::allocate(size_in_words);
   }
   void free(bm_word_t* map, idx_t size_in_words) const {
-    ArrayAllocator<bm_word_t, mtInternal>::free(map, size_in_words);
+    ArrayAllocator<bm_word_t, mtGC>::free(map, size_in_words);
   }
 };

Milan Mimica, Senior Software Engineer / Division Lead

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