[ros-diffs] [sir_richard] 48988: [NTOS]: Nobody actually writes TRUE for WriteCopyView in the MEMORY_AREA data structure, so this field is useless (always false). Remove all instances of its use.

Author: sir_richard
Date: Tue Oct  5 04:57:32 2010
New Revision: 48988

URL: http://svn.reactos.org/svn/reactos?rev=48988&view=rev
Log:
[NTOS]: Nobody actually writes TRUE for WriteCopyView in the MEMORY_AREA data structure,
so this field is useless (always false). Remove all instances of its use.

Modified:
    trunk/reactos/ntoskrnl/mm/section.c

Modified: trunk/reactos/ntoskrnl/mm/section.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/section.c?rev=…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/section.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/section.c [iso-8859-1] Tue Oct  5 04:57:32 2010
@@ -839,7 +839,7 @@
    /*
     * Check if this page needs to be mapped COW
     */
-   if ((Segment->WriteCopy || MemoryArea->Data.SectionData.WriteCopyView)
&&
+   if ((Segment->WriteCopy) &&
        (Region->Protect == PAGE_READWRITE ||
        Region->Protect == PAGE_EXECUTE_READWRITE))
    {
@@ -1331,7 +1331,7 @@
    /*
     * Check if we are doing COW
     */
-   if (!((Segment->WriteCopy || MemoryArea->Data.SectionData.WriteCopyView)
&&
+   if (!((Segment->WriteCopy) &&
          (Region->Protect == PAGE_READWRITE ||
           Region->Protect == PAGE_EXECUTE_READWRITE)))
    {
@@ -2015,7 +2015,7 @@
    MemoryArea = MmLocateMemoryAreaByAddress(AddressSpace, BaseAddress);
    Segment = MemoryArea->Data.SectionData.Segment;
 
-   if ((Segment->WriteCopy || MemoryArea->Data.SectionData.WriteCopyView)
&&
+   if ((Segment->WriteCopy) &&
          (NewProtect == PAGE_READWRITE || NewProtect == PAGE_EXECUTE_READWRITE))
    {
       DoCOW = TRUE;
@@ -3518,7 +3518,6 @@
    MArea->Data.SectionData.Segment = Segment;
    MArea->Data.SectionData.Section = Section;
    MArea->Data.SectionData.ViewOffset = ViewOffset;
-   MArea->Data.SectionData.WriteCopyView = FALSE;
    MmInitializeRegion(&MArea->Data.SectionData.RegionListHead,
                       ViewSize, 0, Protect);