Index: expool.c
===================================================================
--- ntoskrnl/mm/ARM3/expool.c	(revision 71347)
+++ ntoskrnl/mm/ARM3/expool.c	(working copy)
@@ -1341,8 +1341,8 @@
             InterlockedIncrementUL(&ExpPoolBigEntriesInUse);
             if ((i >= 16) && (ExpPoolBigEntriesInUse > (TableSize / 4)))
             {
-                DPRINT("Should attempt expansion since we now have %lu entries\n",
-                        ExpPoolBigEntriesInUse);
+                DPRINT1("Should attempt expansion since we now have %lu entries. Allocating %lu pages of %sPaged pool, tag %.4s\n",
+                        ExpPoolBigEntriesInUse, NumberOfPages, ((PoolType & BASE_POOL_TYPE_MASK) == NonPagedPool) ? "Non" : "", (const char *)&Key);
             }
 
             //
@@ -1366,7 +1366,8 @@
     // This means there's no free hash buckets whatsoever, so we would now have
     // to attempt expanding the table
     //
-    DPRINT1("Big pool expansion needed, not implemented!\n");
+    DPRINT1("Big pool expansion needed, not implemented! Allocating %lu pages of %sPaged pool, tag %.4s\n",
+            NumberOfPages, ((PoolType & BASE_POOL_TYPE_MASK) == NonPagedPool) ? "Non" : "", (const char *)&Key);
     KeReleaseSpinLock(&ExpLargePoolTableLock, OldIrql);
     return FALSE;
 }