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-rw-r--r--include/private/gc_hdrs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/private/gc_hdrs.h b/include/private/gc_hdrs.h
index 1e5845da..86b5fbcd 100644
--- a/include/private/gc_hdrs.h
+++ b/include/private/gc_hdrs.h
@@ -57,7 +57,7 @@ typedef struct hblkhdr hdr;
/* #define COUNT_HDR_CACHE_HITS */
# ifdef COUNT_HDR_CACHE_HITS
- extern word GC_hdr_cache_hits;
+ extern word GC_hdr_cache_hits; /* used for debugging/profiling */
extern word GC_hdr_cache_misses;
# define HC_HIT() ++GC_hdr_cache_hits
# define HC_MISS() ++GC_hdr_cache_misses