[sir_richard] 47622: [NTOS]: Don't use MmAllocPage for the first paged pool PDE, instead, use MiRemoveZeroPage. [NTOS]: Use MiInitializePfnForOtherProcess to setup the first paged pool PDE.

Author: sir_richard
Date: Sun Jun  6 16:13:35 2010
New Revision: 47622

URL: http://svn.reactos.org/svn/reactos?rev=47622&view=rev
Log:
[NTOS]: Don't use MmAllocPage for the first paged pool PDE, instead, use MiRemoveZeroPage.
[NTOS]: Use MiInitializePfnForOtherProcess to setup the first paged pool PDE.

Modified:
    trunk/reactos/ntoskrnl/mm/ARM3/miarm.h
    trunk/reactos/ntoskrnl/mm/ARM3/mminit.c

Modified: trunk/reactos/ntoskrnl/mm/ARM3/miarm.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/miarm.h?re...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/ARM3/miarm.h [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/ARM3/miarm.h [iso-8859-1] Sun Jun  6 16:13:35 2010
@@ -743,6 +743,12 @@
     IN ULONG Color
 );

+PFN_NUMBER
+NTAPI
+MiRemoveZeroPage(
+    IN ULONG Color
+);
+
 VOID
 NTAPI
 MiInsertPageInFreeList(

Modified: trunk/reactos/ntoskrnl/mm/ARM3/mminit.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/mminit.c?r...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/ARM3/mminit.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/ARM3/mminit.c [iso-8859-1] Sun Jun  6 16:13:35 2010
@@ -1586,14 +1586,17 @@
     //
     OldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);

-    //
-    // Allocate a page and map the first paged pool PDE
-    //
-    PageFrameIndex = MmAllocPage(MC_NPPOOL);
+    /* Allocate a page and map the first paged pool PDE */
+    PageFrameIndex = MiRemoveZeroPage(0);
     TempPte.u.Hard.PageFrameNumber = PageFrameIndex;
     ASSERT(PointerPde->u.Hard.Valid == 0);
     ASSERT(TempPte.u.Hard.Valid == 1);
     *PointerPde = TempPte;
+
+    /* Initialize the PFN entry for it */
+    MiInitializePfnForOtherProcess(PageFrameIndex,
+                                   PointerPde,
+                                   MmSystemPageDirectory[(PointerPde - (PMMPTE)PDE_BASE) / PDE_COUNT]);

//
     // Release the PFN database lock