pool = cap->sparks;
+ // Take this opportunity to reset top/bottom modulo the size of
+ // the array, to avoid overflow. This is only possible because no
+ // stealing is happening during GC.
+ pool->bottom -= pool->top & ~pool->moduloSize;
+ pool->top &= pool->moduloSize;
+ pool->topBound = pool->top;
+
debugTrace(DEBUG_sched,
"markSparkQueue: current spark queue len=%d; (hd=%ld; tl=%ld)",
sparkPoolSize(pool), pool->bottom, pool->top);