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6838842: NUMA allocator: Segfault during startup on Linux

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Restored os::free_memory() semantics

Reviewed-by: apetrusenko
This commit is contained in:
Igor Veresov 2009-05-08 15:20:10 -07:00
parent 955a453996
commit dacaa6b65d
1 changed files with 2 additions and 1 deletions
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3
hotspot/src/os/linux/vm/os_linux.cpp
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@ -2314,7 +2314,8 @@ bool os::commit_memory(char* addr, size_t size, size_t alignment_hint,
void os::realign_memory(char *addr, size_t bytes, size_t alignment_hint) { }
void os::free_memory(char *addr, size_t bytes) {
uncommit_memory(addr, bytes);
::mmap(addr, bytes, PROT_READ | PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0);
}
void os::numa_make_global(char *addr, size_t bytes) {