[tfaber] 68611: [NTOS:MM] - Allow (and then ignore) PAGE_NOCACHE in the protection flags for MmMapViewOfSection CORE-9808

Author: tfaber
Date: Fri Aug  7 15:52:04 2015
New Revision: 68611

URL: http://svn.reactos.org/svn/reactos?rev=68611&view=rev
Log:
[NTOS:MM]
- Allow (and then ignore) PAGE_NOCACHE in the protection flags for MmMapViewOfSection
CORE-9808

Modified:
    trunk/reactos/ntoskrnl/include/internal/mm.h
    trunk/reactos/ntoskrnl/mm/section.c

Modified: trunk/reactos/ntoskrnl/include/internal/mm.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/…
==============================================================================
--- trunk/reactos/ntoskrnl/include/internal/mm.h	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/include/internal/mm.h	[iso-8859-1] Fri Aug  7 15:52:04 2015
@@ -115,7 +115,8 @@
      PAGE_EXECUTE_READ | \
      PAGE_EXECUTE_READWRITE | \
      PAGE_EXECUTE_WRITECOPY | \
-     PAGE_NOACCESS)
+     PAGE_NOACCESS | \
+     PAGE_NOCACHE)
 
 #define PAGE_IS_READABLE                    \
     (PAGE_READONLY | \

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] Fri Aug  7 15:52:04 2015
@@ -4484,6 +4484,8 @@
         return STATUS_INVALID_PAGE_PROTECTION;
     }
 
+    /* FIXME: We should keep this, but it would break code checking equality */
+    Protect &= PAGE_NOCACHE;
 
     Section = (PROS_SECTION_OBJECT)SectionObject;
     AddressSpace = &Process->Vm;