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diff src/os/windows/vm/os_windows.cpp @ 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/os/windows/vm/os_windows.cpp	Wed Mar 11 14:16:13 2009 -0700
+++ b/src/os/windows/vm/os_windows.cpp	Thu Mar 12 10:37:46 2009 -0700
@@ -2595,7 +2595,7 @@
   return true;
 }
 
-char* os::reserve_memory_special(size_t bytes) {
+char* os::reserve_memory_special(size_t bytes, char* addr) {
 
   if (UseLargePagesIndividualAllocation) {
     if (TracePageSizes && Verbose) {
@@ -2615,7 +2615,7 @@
         "use -XX:-UseLargePagesIndividualAllocation to turn off");
       return NULL;
     }
-    p_buf = (char *) VirtualAlloc(NULL,
+    p_buf = (char *) VirtualAlloc(addr,
                                  size_of_reserve,  // size of Reserve
                                  MEM_RESERVE,
                                  PAGE_EXECUTE_READWRITE);