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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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2
hotspot/src/share/vm/runtime/os.hpp
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@ -255,6 +255,8 @@ class os: AllStatic {
static int vm_allocation_granularity();
static char* reserve_memory(size_t bytes, char* addr = 0,
size_t alignment_hint = 0);
static char* reserve_memory(size_t bytes, char* addr,
size_t alignment_hint, MEMFLAGS flags);
static char* reserve_memory_aligned(size_t size, size_t alignment);
static char* attempt_reserve_memory_at(size_t bytes, char* addr);
static void split_reserved_memory(char *base, size_t size,