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8139545: JVMCI : guarantee(heap_end < allocation_end) failed on some sparcv9 hosts

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Reviewed-by: iveresov, kvn
This commit is contained in:
Christian Thalinger 2015-10-14 09:22:21 -10:00
parent f1c801e561
commit fcbdffb48f
1 changed files with 2 additions and 0 deletions
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hotspot/src/share/vm/jvmci/jvmciRuntime.cpp
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@ -778,9 +778,11 @@ JVM_ENTRY(void, JVM_RegisterJVMCINatives(JNIEnv *env, jclass c2vmClass))
}
#ifdef _LP64
#ifndef TARGET_ARCH_sparc
uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end();
uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024;
guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)");
#endif // TARGET_ARCH_sparc
#else
fatal("check TLAB allocation code for address space conflicts");
#endif