Remove highruns statistics.

include/jemalloc/internal/arena.h

@@ -639,6 +639,10 @@ arena_malloc(size_t size, bool zero)
 		else
 			return (arena_malloc_small(choose_arena(), size, zero));
 	} else {
+		/*
+		 * Initialize tcache after checking size in order to avoid
+		 * infinite recursion during tcache initialization.
+		 */
 		if (size <= tcache_maxclass && (tcache = tcache_get()) != NULL)
 			return (tcache_alloc_large(tcache, size, zero));
 		else

include/jemalloc/internal/stats.h

@@ -59,9 +59,6 @@ struct malloc_bin_stats_s {
 	 */
 	uint64_t	reruns;
 
-	/* High-water mark for this bin. */
-	size_t		highruns;
-
 	/* Current number of runs in this bin. */
 	size_t		curruns;
 };
@@ -83,9 +80,6 @@ struct malloc_large_stats_s {
 	 */
 	uint64_t	nrequests;
 
-	/* High-water mark for this size class. */
-	size_t		highruns;
-
 	/* Current number of runs of this size class. */
 	size_t		curruns;
 };