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diff src/share/vm/runtime/os.hpp @ 642:660978a2a31a

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6791178: Specialize for zero as the compressed oop vm heap base Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb. Reviewed-by: never, twisti, jcoomes, coleenp
author kvn
date Thu, 12 Mar 2009 10:37:46 -0700
parents 773234c55e8c
children bd441136a5ce
line wrap: on
line diff
--- a/src/share/vm/runtime/os.hpp	Wed Mar 11 14:16:13 2009 -0700
+++ b/src/share/vm/runtime/os.hpp	Thu Mar 12 10:37:46 2009 -0700
@@ -243,7 +243,7 @@
 
   static char*  non_memory_address_word();
   // reserve, commit and pin the entire memory region
-  static char*  reserve_memory_special(size_t size);
+  static char*  reserve_memory_special(size_t size, char* addr = NULL);
   static bool   release_memory_special(char* addr, size_t bytes);
   static bool   large_page_init();
   static size_t large_page_size();