Don't traverse the entire list of threads on every GC (phase 1)

[ghc-hetmet.git] / rts / sm / Compact.c

diff --git a/rts/sm/Compact.c b/rts/sm/Compact.c
index fa6efa9..c5f0c37 100644 (file)
--- a/rts/sm/Compact.c
+++ b/rts/sm/Compact.c
@@ -986,7 +986,9 @@ compact(StgClosure *static_objects)
     }
 
     // the global thread list
-    thread((void *)&all_threads);
+    for (s = 0; s < total_steps; s++) {
+        thread((void *)&all_steps[s].threads);
+    }
 
     // any threads resurrected during this GC
     thread((void *)&resurrected_threads);