[ros-diffs] [fireball] 31982: - Don't store memory allocation descriptors inside the bootloader, since this memory is unmapped in kernelmode. Fixes a pagefault after switching to paged mode.

Author: fireball
Date: Fri Jan 25 14:14:44 2008
New Revision: 31982

URL: http://svn.reactos.org/svn/reactos?rev=31982&view=rev
Log:
- Don't store memory allocation descriptors inside the bootloader, since this memory
is unmapped in kernelmode. Fixes a pagefault after switching to paged mode.

Modified:
    branches/winldr/windows/wlmemory.c

Modified: branches/winldr/windows/wlmemory.c
URL:
http://svn.reactos.org/svn/reactos/branches/winldr/windows/wlmemory.c?rev=3…
==============================================================================
--- branches/winldr/windows/wlmemory.c (original)
+++ branches/winldr/windows/wlmemory.c Fri Jan 25 14:14:44 2008
@@ -107,7 +107,7 @@
 ULONG PhysicalPageTables;
 ULONG KernelPageTables;
 
-MEMORY_ALLOCATION_DESCRIPTOR Mad[1024];
+MEMORY_ALLOCATION_DESCRIPTOR *Mad;
 ULONG MadCount = 0;
 
 
@@ -428,6 +428,9 @@
 	if (MempAllocatePageTables() == FALSE)
 		return FALSE;
 
+	// Allocate memory for memory allocation descriptors
+	Mad = MmHeapAlloc(sizeof(MEMORY_ALLOCATION_DESCRIPTOR) * 1024);
+
 	// Setup an entry for each descriptor
 	MemoryMap = MmGetMemoryMap(&NoEntries);
 	if (MemoryMap == NULL)