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8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint

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Detect mmap() commit failures in Linux and Solaris os::commit_memory() impls and call vm_exit_out_of_memory(). Add os::commit_memory_or_exit(). Also tidy up some NMT accounting and some mmap() return value checking.

Reviewed-by: zgu, stefank, dholmes, dsamersoff
This commit is contained in:
Daniel D. Daugherty 2013-06-13 11:16:38 -07:00
parent 718f3252f6
commit 72a51a0c44
18 changed files with 357 additions and 80 deletions
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5
hotspot/src/share/vm/memory/allocation.inline.hpp
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@ -146,10 +146,7 @@ E* ArrayAllocator<E, F>::allocate(size_t length) {
vm_exit_out_of_memory(_size, OOM_MMAP_ERROR, "Allocator (reserve)");
}
bool success = os::commit_memory(_addr, _size, false /* executable */);
if (!success) {
vm_exit_out_of_memory(_size, OOM_MMAP_ERROR, "Allocator (commit)");
}
os::commit_memory_or_exit(_addr, _size, !ExecMem, "Allocator (commit)");
return (E*)_addr;
}