--- a/hotspot/src/share/vm/gc/g1/g1SATBCardTableModRefBS.cpp Fri Aug 28 23:57:26 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1SATBCardTableModRefBS.cpp Mon Aug 31 13:06:01 2015 -0400
@@ -27,6 +27,7 @@
#include "gc/g1/g1SATBCardTableModRefBS.hpp"
#include "gc/g1/heapRegion.hpp"
#include "gc/g1/satbQueue.hpp"
+#include "gc/shared/memset_with_concurrent_readers.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/atomic.inline.hpp"
#include "runtime/mutexLocker.hpp"
@@ -108,15 +109,7 @@
jbyte *const first = byte_for(mr.start());
jbyte *const last = byte_after(mr.last());
- // Below we may use an explicit loop instead of memset() because on
- // certain platforms memset() can give concurrent readers phantom zeros.
- if (UseMemSetInBOT) {
- memset(first, g1_young_gen, last - first);
- } else {
- for (jbyte* i = first; i < last; i++) {
- *i = g1_young_gen;
- }
- }
+ memset_with_concurrent_readers(first, g1_young_gen, last - first);
}
#ifndef PRODUCT