--- a/hotspot/src/share/vm/runtime/os.hpp Wed Sep 11 12:03:41 2013 +0200
+++ b/hotspot/src/share/vm/runtime/os.hpp Wed Sep 11 16:25:02 2013 +0200
@@ -139,7 +139,10 @@
public:
static void init(void); // Called before command line parsing
+ static void init_before_ergo(void); // Called after command line parsing
+ // before VM ergonomics processing.
static jint init_2(void); // Called after command line parsing
+ // and VM ergonomics processing
static void init_globals(void) { // Called from init_globals() in init.cpp
init_globals_ext();
}
@@ -254,6 +257,11 @@
static size_t page_size_for_region(size_t region_min_size,
size_t region_max_size,
uint min_pages);
+ // Return the largest page size that can be used
+ static size_t max_page_size() {
+ // The _page_sizes array is sorted in descending order.
+ return _page_sizes[0];
+ }
// Methods for tracing page sizes returned by the above method; enabled by
// TracePageSizes. The region_{min,max}_size parameters should be the values