提交 bae7bf0b 编写于 作者: J jwilhelm

6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.

Summary: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
Reviewed-by: johnc, jmasa, ysr
上级 f734707b
......@@ -411,7 +411,7 @@ oop PSPromotionManager::copy_to_survivor_space(oop o) {
template <class T> void PSPromotionManager::process_array_chunk_work(
oop obj,
int start, int end) {
assert(start < end, "invariant");
assert(start <= end, "invariant");
T* const base = (T*)objArrayOop(obj)->base();
T* p = base + start;
T* const chunk_end = base + end;
......
......@@ -1668,13 +1668,13 @@ bool Arguments::verify_interval(uintx val, uintx min,
}
bool Arguments::verify_min_value(intx val, intx min, const char* name) {
// Returns true if given value is greater than specified min threshold
// Returns true if given value is at least specified min threshold
// false, otherwise.
if (val >= min ) {
return true;
}
jio_fprintf(defaultStream::error_stream(),
"%s of " INTX_FORMAT " is invalid; must be greater than " INTX_FORMAT "\n",
"%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n",
name, val, min);
return false;
}
......@@ -1901,6 +1901,8 @@ bool Arguments::check_vm_args_consistency() {
status = false;
}
status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk");
#ifndef SERIALGC
if (UseG1GC) {
status = status && verify_percentage(InitiatingHeapOccupancyPercent,
......
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