8261334: NMT: tuning statistic shows incorrect hash distribution

Backport-of: 20d7713c57d312e7f196f6887666c195f00da99c
openjdk · Feb 25, 2021 · 9fa0e03 · 9fa0e03 · openjdk-notifier · Feb 25, 2021
1 parent 262c989
commit 9fa0e03
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/hotspot/share/services/memTracker.cpp b/src/hotspot/share/services/memTracker.cpp
@@ -260,7 +260,7 @@ class StatisticsWalker : public MallocSiteWalker {
     _stack_depth_distribution[frames - 1] ++;
 
     // hash distribution
-    int hash_bucket = e->hash() % MallocSiteTable::hash_buckets();
+    int hash_bucket = ((unsigned)e->hash()) % MallocSiteTable::hash_buckets();
     if (_current_hash_bucket == -1) {
       _current_hash_bucket = hash_bucket;
       _current_bucket_length = 1;