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7199092: NMT: NMT needs to deal overlapped virtual memory ranges

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Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.

Reviewed-by: acorn, coleenp
This commit is contained in:
Zhengyu Gu 2012-10-19 21:40:07 -04:00
parent 240b5c9329
commit 3e481cdd81
29 changed files with 800 additions and 364 deletions
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hotspot/src/share/vm/memory/filemap.hpp
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@ -125,7 +125,6 @@ public:
size_t capacity, bool read_only, bool allow_exec);
void write_bytes(const void* buffer, int count);
void write_bytes_aligned(const void* buffer, int count);
char* map_region(int i, ReservedSpace rs);
char* map_region(int i);
void unmap_region(int i);
void close();