kernel32: Limit dwTotalPageFile in GlobalMemoryStatus to 4Gb minus 512kb for…

kernel32: Limit dwTotalPageFile in GlobalMemoryStatus to 4Gb minus 512kb for apps that do not expect so much memory.

kernel32: Limit dwTotalPageFile in GlobalMemoryStatus to 4Gb minus 512kb for…
d8822cf3 · Christian Costa · Alexandre Julliard · 43d208d2 · d8822cf3
Commit d8822cf3 authored Apr 10, 2012 by Christian Costa Committed by Alexandre Julliard Apr 11, 2012
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Showing with 4 additions and 3 deletions

heap.c dlls/kernel32/heap.c +4 -3

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--- a/dlls/kernel32/heap.c
+++ b/dlls/kernel32/heap.c
@@ -1305,7 +1305,7 @@ BOOL WINAPI GlobalMemoryStatusEx( LPMEMORYSTATUSEX lpmemex )
 * roughly how much they are able to allocate
 *
 * RETURNS
- *	None
+ *      None
 */
 VOID WINAPI GlobalMemoryStatus( LPMEMORYSTATUS lpBuffer )
 {
@@ -1333,13 +1333,14 @@ VOID WINAPI GlobalMemoryStatus( LPMEMORYSTATUS lpBuffer )
    {
        lpBuffer->dwTotalPhys = min( memstatus.ullTotalPhys, MAXDWORD );
        lpBuffer->dwAvailPhys = min( memstatus.ullAvailPhys, MAXDWORD );
-        lpBuffer->dwTotalPageFile = min( memstatus.ullTotalPageFile, MAXDWORD );
+        /* Limit value for apps that do not expect so much memory. Remove last 512 kb to make Sacrifice demo happy. */
+        lpBuffer->dwTotalPageFile = min( memstatus.ullTotalPageFile, 0xfff7ffff );
        lpBuffer->dwAvailPageFile = min( memstatus.ullAvailPageFile, MAXDWORD );
        lpBuffer->dwTotalVirtual = min( memstatus.ullTotalVirtual, MAXDWORD );
        lpBuffer->dwAvailVirtual = min( memstatus.ullAvailVirtual, MAXDWORD );

    }
-    else	/* duplicate NT bug */
+    else /* duplicate NT bug */
    {
        lpBuffer->dwTotalPhys = memstatus.ullTotalPhys;
        lpBuffer->dwAvailPhys = memstatus.ullAvailPhys;