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8013120: NMT: Kitchensink crashes with assert(next_region == NULL || !next_region->is_committed_region()) failed: Sanity check

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Fixed NMT to deal with releasing virtual memory region when there are still committed regions within it

Reviewed-by: acorn, coleenp
This commit is contained in:
Zhengyu Gu 2013-05-06 11:15:13 -04:00
parent 79f4c78a72
commit c2330eb6b1
5 changed files with 85 additions and 6 deletions
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12
hotspot/src/share/vm/runtime/os.cpp
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@ -1457,6 +1457,18 @@ char* os::reserve_memory(size_t bytes, char* addr, size_t alignment_hint) {
return result;
}
char* os::reserve_memory(size_t bytes, char* addr, size_t alignment_hint,
MEMFLAGS flags) {
char* result = pd_reserve_memory(bytes, addr, alignment_hint);
if (result != NULL) {
MemTracker::record_virtual_memory_reserve((address)result, bytes, CALLER_PC);
MemTracker::record_virtual_memory_type((address)result, flags);
}
return result;
}
char* os::attempt_reserve_memory_at(size_t bytes, char* addr) {
char* result = pd_attempt_reserve_memory_at(bytes, addr);
if (result != NULL) {