[ros-diffs] [fireball] 38420: - Fix a patching problem, which put MmInitSectionImplementation2() call to a wrong place. - Handle situation when *ViewSize is 0, which equals old behaviour of ViewSize being NULL. - Fix debug macro. - These changes get CC rewrite branch back into working stage.

Author: fireball
Date: Sun Dec 28 07:01:13 2008
New Revision: 38420

URL: http://svn.reactos.org/svn/reactos?rev=38420&view=rev
Log:
- Fix a patching problem, which put MmInitSectionImplementation2() call to a wrong place.
- Handle situation when *ViewSize is 0, which equals old behaviour of ViewSize being
NULL.
- Fix debug macro.
- These changes get CC rewrite branch back into working stage.

Modified:
    branches/cache_manager_rewrite/mm.patch

Modified: branches/cache_manager_rewrite/mm.patch
URL:
http://svn.reactos.org/svn/reactos/branches/cache_manager_rewrite/mm.patch?…
==============================================================================
--- branches/cache_manager_rewrite/mm.patch [iso-8859-1] (original)
+++ branches/cache_manager_rewrite/mm.patch [iso-8859-1] Sun Dec 28 07:01:13 2008
@@ -53,13 +53,15 @@
  /* PRIVATE FUNCTIONS *********************************************************/
  
  VOID
-@@ -509,6 +512,7 @@
+@@ -506,6 +509,9 @@
+         /* Initialize the balance set manager */
+         MmInitBsmThread();
+ 
++        /* Initialize section implementation, phase 2 */
++        MmInitSectionImplementation2();
++
          /* FIXME: Read parameters from memory */
      }
- 
-+        MmInitSectionImplementation2();
-     return TRUE;
- }
  
 Index: mpw.c
 ===================================================================
@@ -2746,7 +2748,7 @@
 -   DPRINT("MmpCloseSection(OB %x, HC %d)\n",
 -          Object, ProcessHandleCount);
 +   DPRINT("MmpCloseSection(OB %x, HC %d) RC %d\n",
-+          Object, ProcessHandleCount, ObGetObjectPointerCount(Object));
++          Object, ProcessHandleCount,
OBJECT_TO_OBJECT_HEADER(Object)->PointerCount);
  }
  
  NTSTATUS
@@ -2960,7 +2962,7 @@
 +       * FIXME: Revise this once a locking order for file size changes is
 +       * decided
 +       */
-+      if (UMaximumSize != NULL)
++      if (UMaximumSize && (UMaximumSize->QuadPart != 0))
        {
 -         /* FIXME: handle this situation */
 -         ObDereferenceObject(Section);
@@ -3672,7 +3674,17 @@
  }
  
  /*
-@@ -4944,9 +6110,12 @@
+@@ -4797,7 +5963,8 @@
+    }
+    else if ((*ViewSize) > Section->MaximumSize.u.LowPart)
+    {
+-      (*ViewSize) = Section->MaximumSize.u.LowPart;
++       DPRINT1("Out of bounds view size passed: 0x%x!\n", *ViewSize);
++       (*ViewSize) = Section->MaximumSize.u.LowPart;
+    }
+ 
+    MmLockSectionSegment(Section->Segment);
+@@ -4944,9 +6111,12 @@
                   IN ULONG   SectionPageProtection,
                   IN ULONG   AllocationAttributes,
                   IN HANDLE   FileHandle   OPTIONAL,
@@ -3686,7 +3698,7 @@
     PROS_SECTION_OBJECT *SectionObject = (PROS_SECTION_OBJECT *)Section;
  
     /*
-@@ -4965,37 +6134,557 @@
+@@ -4965,37 +6135,558 @@
       return STATUS_INVALID_PAGE_PROTECTION;
     }
  
@@ -3962,6 +3974,7 @@
 +
 +   MmInitializeMdl(Mdl, NULL, ((PPAGE_IO_CONTEXT)Context)->PageCount * PAGE_SIZE);
 +   MmBuildMdlFromPages(Mdl, Pfn);
++   Mdl->MdlFlags |= (MDL_PAGES_LOCKED | MDL_WRITE_OPERATION);
 +
 +   FileOffset.u.HighPart = 0;
 +   FileOffset.u.LowPart = ((PPAGE_IO_CONTEXT)Context)->Offset;