- Cache system static information, such as PAGE_SIZE at kernel32 startup, so we can reference it in our code without always quertying the system for it.

svn path=/trunk/; revision=22521

reactos/dll/win32/kernel32/misc/dllmain.c

@@ -56,6 +56,8 @@ DuplicateConsoleHandle(HANDLE hConsole,
 #define WIN_OBJ_DIR L"\\Windows"
 #define SESSION_DIR L"\\Sessions"
 
+SYSTEM_BASIC_INFORMATION BaseCachedSysInfo;
+
 /* FUNCTIONS *****************************************************************/
 
 NTSTATUS
@@ -382,6 +384,17 @@ DllMain(HANDLE hDll,
             return FALSE;
         }
 
+        /* Cache static system information */
+        Status = ZwQuerySystemInformation(SystemBasicInformation,
+                                          &BaseCachedSysInfo,
+                                          sizeof(BaseCachedSysInfo),
+                                          NULL);
+        if (!NT_SUCCESS(Status))
+        {
+            DPRINT1("Failure to get system information\n");
+            return FALSE;
+        }
+
         /* Insert more dll attach stuff here! */
         DllInitialized = TRUE;
         DPRINT("Initialization complete\n");