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diff src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp @ 1391:79e419e5ea3b

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6942253: G1: replace G1ParallelGCAllocBufferSize with YoungPLABSize and OldPLABSize Summary: Replaces the G1-specific parameter with the existing ones that are used by the other GCs (YoungPLABSize and OldPLABSize) Reviewed-by: tonyp, johnc
author apetrusenko
date Fri, 16 Apr 2010 08:48:16 -0700
parents 7666957bc44d
children 1316cec51b4d
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line diff
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Thu Apr 15 18:45:30 2010 -0400
+++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Fri Apr 16 08:48:16 2010 -0700
@@ -209,6 +209,15 @@
   HeapRegion::setup_heap_region_size(Arguments::min_heap_size());
   HeapRegionRemSet::setup_remset_size();
 
+  // Verify PLAB sizes
+  const uint region_size = HeapRegion::GrainWords;
+  if (YoungPLABSize > region_size || OldPLABSize > region_size) {
+    char buffer[128];
+    jio_snprintf(buffer, sizeof(buffer), "%sPLABSize should be at most %u",
+                 OldPLABSize > region_size ? "Old" : "Young", region_size);
+    vm_exit_during_initialization(buffer);
+  }
+
   _recent_prev_end_times_for_all_gcs_sec->add(os::elapsedTime());
   _prev_collection_pause_end_ms = os::elapsedTime() * 1000.0;