3 * Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * PROJECT: ReactOS kernel
22 * FILE: ntoskrnl/mm/wset.c
23 * PURPOSE: Manages working sets
24 * PROGRAMMER: David Welch (welch@cwcom.net)
29 /* INCLUDES *****************************************************************/
31 #include <ddk/ntddk.h>
32 #include <internal/mm.h>
33 #include <internal/ps.h>
34 #include <ntos/minmax.h>
37 #include <internal/debug.h>
39 /* FUNCTIONS *****************************************************************/
42 MmTrimUserMemory(ULONG Target, ULONG Priority, PULONG NrFreedPages)
44 PHYSICAL_ADDRESS CurrentPhysicalAddress;
45 PHYSICAL_ADDRESS NextPhysicalAddress;
50 CurrentPhysicalAddress = MmGetLRUFirstUserPage();
51 while (CurrentPhysicalAddress.QuadPart != 0 && Target > 0)
53 NextPhysicalAddress = MmGetLRUNextUserPage(CurrentPhysicalAddress);
55 Status = MmPageOutPhysicalAddress(CurrentPhysicalAddress);
56 if (NT_SUCCESS(Status))
58 DPRINT("Succeeded\n");
63 CurrentPhysicalAddress = NextPhysicalAddress;
65 return(STATUS_SUCCESS);