[dgorbachev] 40014: Trying to fix boot breakage.

Author: dgorbachev
Date: Sat Mar 14 21:13:32 2009
New Revision: 40014

URL: http://svn.reactos.org/svn/reactos?rev=40014&view=rev
Log:
Trying to fix boot breakage.

Modified:
    trunk/reactos/ntoskrnl/mm/freelist.c
    trunk/reactos/ntoskrnl/mm/kmap.c

Modified: trunk/reactos/ntoskrnl/mm/freelist.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/freelist.c?rev=...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/freelist.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/freelist.c [iso-8859-1] Sat Mar 14 21:13:32 2009
@@ -942,6 +942,21 @@
    return NumberOfPagesFound;
 }

+static
+NTSTATUS
+MiZeroPageInternal(PFN_TYPE Page)
+{
+   PVOID TempAddress;
+
+   TempAddress = MiMapPageToZeroInHyperSpace(Page);
+   if (TempAddress == NULL)
+   {
+      return(STATUS_NO_MEMORY);
+   }
+   memset(TempAddress, 0, PAGE_SIZE);
+   return(STATUS_SUCCESS);
+}
+
 NTSTATUS
 NTAPI
 MmZeroPageThreadMain(PVOID Ignored)
@@ -989,7 +1004,7 @@
          PageDescriptor->Flags.Type = MM_PHYSICAL_PAGE_USED;
          KeReleaseQueuedSpinLock(LockQueuePfnLock, oldIrql);
          Pfn = PageDescriptor - MmPageArray;
-         Status = MiZeroPage(Pfn);
+         Status = MiZeroPageInternal(Pfn);

oldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
          if (PageDescriptor->MapCount != 0)

Modified: trunk/reactos/ntoskrnl/mm/kmap.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/kmap.c?rev=4001...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/kmap.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/kmap.c [iso-8859-1] Sat Mar 14 21:13:32 2009
@@ -16,18 +16,23 @@
 /* GLOBALS *****************************************************************/

/* FUNCTIONS ***************************************************************/
+
 NTSTATUS
 NTAPI
 MiZeroPage(PFN_TYPE Page)
 {
+   PEPROCESS Process;
+   KIRQL Irql;
    PVOID TempAddress;

-   TempAddress = MiMapPageToZeroInHyperSpace(Page);
+   Process = (PEPROCESS)KeGetCurrentThread()->ApcState.Process;
+   TempAddress = MiMapPageInHyperSpace(Process, Page, &Irql);
    if (TempAddress == NULL)
    {
       return(STATUS_NO_MEMORY);
    }
    memset(TempAddress, 0, PAGE_SIZE);
+   MiUnmapPageInHyperSpace(Process, TempAddress, Irql);
    return(STATUS_SUCCESS);
 }