--- a/hotspot/src/share/vm/gc_implementation/g1/collectionSetChooser.cpp Wed Apr 11 16:18:45 2012 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/collectionSetChooser.cpp Wed Apr 18 07:21:15 2012 -0400
@@ -273,7 +273,7 @@
assert(verify(), "CSet chooser verification");
}
-size_t CollectionSetChooser::calcMinOldCSetLength() {
+uint CollectionSetChooser::calcMinOldCSetLength() {
// The min old CSet region bound is based on the maximum desired
// number of mixed GCs after a cycle. I.e., even if some old regions
// look expensive, we should add them to the CSet anyway to make
@@ -291,10 +291,10 @@
if (result * gc_num < region_num) {
result += 1;
}
- return result;
+ return (uint) result;
}
-size_t CollectionSetChooser::calcMaxOldCSetLength() {
+uint CollectionSetChooser::calcMaxOldCSetLength() {
// The max old CSet region bound is based on the threshold expressed
// as a percentage of the heap size. I.e., it should bound the
// number of old regions added to the CSet irrespective of how many
@@ -308,7 +308,7 @@
if (100 * result < region_num * perc) {
result += 1;
}
- return result;
+ return (uint) result;
}
void CollectionSetChooser::addMarkedHeapRegion(HeapRegion* hr) {
@@ -321,10 +321,10 @@
hr->calc_gc_efficiency();
}
-void CollectionSetChooser::prepareForAddMarkedHeapRegionsPar(size_t n_regions,
- size_t chunkSize) {
+void CollectionSetChooser::prepareForAddMarkedHeapRegionsPar(uint n_regions,
+ uint chunkSize) {
_first_par_unreserved_idx = 0;
- int n_threads = ParallelGCThreads;
+ uint n_threads = (uint) ParallelGCThreads;
if (UseDynamicNumberOfGCThreads) {
assert(G1CollectedHeap::heap()->workers()->active_workers() > 0,
"Should have been set earlier");
@@ -335,12 +335,11 @@
n_threads = MAX2(G1CollectedHeap::heap()->workers()->active_workers(),
1U);
}
- size_t max_waste = n_threads * chunkSize;
+ uint max_waste = n_threads * chunkSize;
// it should be aligned with respect to chunkSize
- size_t aligned_n_regions =
- (n_regions + (chunkSize - 1)) / chunkSize * chunkSize;
- assert( aligned_n_regions % chunkSize == 0, "should be aligned" );
- _markedRegions.at_put_grow((int)(aligned_n_regions + max_waste - 1), NULL);
+ uint aligned_n_regions = (n_regions + chunkSize - 1) / chunkSize * chunkSize;
+ assert(aligned_n_regions % chunkSize == 0, "should be aligned");
+ _markedRegions.at_put_grow((int) (aligned_n_regions + max_waste - 1), NULL);
}
jint CollectionSetChooser::getParMarkedHeapRegionChunk(jint n_regions) {