diff --git a/malloc/malloc.c b/malloc/malloc.c
index 0abd653be2..eaefd3bd7c 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -4194,6 +4194,9 @@ _int_free (mstate av, mchunkptr p, int have_lock)
 
 #if USE_TCACHE
   {
+    /* Check if chunk is from our own arena.  */
+    if (av == thread_arena)
+      {
     size_t tc_idx = csize2tidx (size);
     if (tcache != NULL && tc_idx < mp_.tcache_bins)
       {
@@ -4223,6 +4226,7 @@ _int_free (mstate av, mchunkptr p, int have_lock)
 	    return;
 	  }
       }
+      }
   }
 #endif
 
@@ -4997,6 +5001,7 @@ __malloc_stats (void)
       memset (&mi, 0, sizeof (mi));
       __libc_lock_lock (ar_ptr->mutex);
       int_mallinfo (ar_ptr, &mi);
+      fprintf (stderr, "false sharing path by muhq\n");
       fprintf (stderr, "Arena %d:\n", i);
       fprintf (stderr, "system bytes     = %10u\n", (unsigned int) mi.arena);
       fprintf (stderr, "in use bytes     = %10u\n", (unsigned int) mi.uordblks);