diff -r 92390f57e8b1 -r 78b1c3670525 hotspot/src/share/vm/code/nmethod.cpp
--- a/hotspot/src/share/vm/code/nmethod.cpp	Tue Apr 16 10:04:01 2013 -0700
+++ b/hotspot/src/share/vm/code/nmethod.cpp	Thu Apr 11 13:57:44 2013 +0200
@@ -501,18 +501,17 @@
   {
     MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
     int native_nmethod_size = allocation_size(code_buffer, sizeof(nmethod));
-    if (CodeCache::has_space(native_nmethod_size)) {
-      CodeOffsets offsets;
-      offsets.set_value(CodeOffsets::Verified_Entry, vep_offset);
-      offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
-      nm = new (native_nmethod_size) nmethod(method(), native_nmethod_size,
-                                             compile_id, &offsets,
-                                             code_buffer, frame_size,
-                                             basic_lock_owner_sp_offset,
-                                             basic_lock_sp_offset, oop_maps);
-      NOT_PRODUCT(if (nm != NULL)  nmethod_stats.note_native_nmethod(nm));
-      if (PrintAssembly && nm != NULL)
-        Disassembler::decode(nm);
+    CodeOffsets offsets;
+    offsets.set_value(CodeOffsets::Verified_Entry, vep_offset);
+    offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
+    nm = new (native_nmethod_size) nmethod(method(), native_nmethod_size,
+                                            compile_id, &offsets,
+                                            code_buffer, frame_size,
+                                            basic_lock_owner_sp_offset,
+                                            basic_lock_sp_offset, oop_maps);
+    NOT_PRODUCT(if (nm != NULL)  nmethod_stats.note_native_nmethod(nm));
+    if (PrintAssembly && nm != NULL) {
+      Disassembler::decode(nm);
     }
   }
   // verify nmethod
@@ -538,18 +537,17 @@
   {
     MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
     int nmethod_size = allocation_size(code_buffer, sizeof(nmethod));
-    if (CodeCache::has_space(nmethod_size)) {
-      CodeOffsets offsets;
-      offsets.set_value(CodeOffsets::Verified_Entry, vep_offset);
-      offsets.set_value(CodeOffsets::Dtrace_trap, trap_offset);
-      offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
+    CodeOffsets offsets;
+    offsets.set_value(CodeOffsets::Verified_Entry, vep_offset);
+    offsets.set_value(CodeOffsets::Dtrace_trap, trap_offset);
+    offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
 
-      nm = new (nmethod_size) nmethod(method(), nmethod_size,
-                                      &offsets, code_buffer, frame_size);
+    nm = new (nmethod_size) nmethod(method(), nmethod_size,
+                                    &offsets, code_buffer, frame_size);
 
-      NOT_PRODUCT(if (nm != NULL)  nmethod_stats.note_nmethod(nm));
-      if (PrintAssembly && nm != NULL)
-        Disassembler::decode(nm);
+    NOT_PRODUCT(if (nm != NULL)  nmethod_stats.note_nmethod(nm));
+    if (PrintAssembly && nm != NULL) {
+      Disassembler::decode(nm);
     }
   }
   // verify nmethod
@@ -591,16 +589,16 @@
       + round_to(handler_table->size_in_bytes(), oopSize)
       + round_to(nul_chk_table->size_in_bytes(), oopSize)
       + round_to(debug_info->data_size()       , oopSize);
-    if (CodeCache::has_space(nmethod_size)) {
-      nm = new (nmethod_size)
-      nmethod(method(), nmethod_size, compile_id, entry_bci, offsets,
-              orig_pc_offset, debug_info, dependencies, code_buffer, frame_size,
-              oop_maps,
-              handler_table,
-              nul_chk_table,
-              compiler,
-              comp_level);
-    }
+
+    nm = new (nmethod_size)
+    nmethod(method(), nmethod_size, compile_id, entry_bci, offsets,
+            orig_pc_offset, debug_info, dependencies, code_buffer, frame_size,
+            oop_maps,
+            handler_table,
+            nul_chk_table,
+            compiler,
+            comp_level);
+
     if (nm != NULL) {
       // To make dependency checking during class loading fast, record
       // the nmethod dependencies in the classes it is dependent on.
@@ -612,15 +610,18 @@
       // classes the slow way is too slow.
       for (Dependencies::DepStream deps(nm); deps.next(); ) {
         Klass* klass = deps.context_type();
-        if (klass == NULL)  continue;  // ignore things like evol_method
+        if (klass == NULL) {
+          continue;  // ignore things like evol_method
+        }
 
         // record this nmethod as dependent on this klass
         InstanceKlass::cast(klass)->add_dependent_nmethod(nm);
       }
     }
     NOT_PRODUCT(if (nm != NULL)  nmethod_stats.note_nmethod(nm));
-    if (PrintAssembly && nm != NULL)
+    if (PrintAssembly && nm != NULL) {
       Disassembler::decode(nm);
+    }
   }
 
   // verify nmethod
@@ -798,13 +799,11 @@
 }
 #endif // def HAVE_DTRACE_H
 
-void* nmethod::operator new(size_t size, int nmethod_size) {
-  void*  alloc = CodeCache::allocate(nmethod_size);
-  guarantee(alloc != NULL, "CodeCache should have enough space");
-  return alloc;
+void* nmethod::operator new(size_t size, int nmethod_size) throw () {
+  // Not critical, may return null if there is too little continuous memory
+  return CodeCache::allocate(nmethod_size);
 }
 
-
 nmethod::nmethod(
   Method* method,
   int nmethod_size,