proc: clear_refs: do not clear reserved pages
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / drm / drm_memory.h
blob15af9b32ae42d36fdb42217265448abb7020885d
1 /**
2 * \file drm_memory.h
3 * Memory management wrappers for DRM
5 * \author Rickard E. (Rik) Faith <faith@valinux.com>
6 * \author Gareth Hughes <gareth@valinux.com>
7 */
9 /*
10 * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com
12 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
13 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
14 * All Rights Reserved.
16 * Permission is hereby granted, free of charge, to any person obtaining a
17 * copy of this software and associated documentation files (the "Software"),
18 * to deal in the Software without restriction, including without limitation
19 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
20 * and/or sell copies of the Software, and to permit persons to whom the
21 * Software is furnished to do so, subject to the following conditions:
23 * The above copyright notice and this permission notice (including the next
24 * paragraph) shall be included in all copies or substantial portions of the
25 * Software.
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
28 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
29 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
30 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
31 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
32 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
33 * OTHER DEALINGS IN THE SOFTWARE.
36 #include <linux/highmem.h>
37 #include <linux/vmalloc.h>
38 #include "drmP.h"
40 /**
41 * Cut down version of drm_memory_debug.h, which used to be called
42 * drm_memory.h.
45 #if __OS_HAS_AGP
47 #ifdef HAVE_PAGE_AGP
48 #include <asm/agp.h>
49 #else
50 # ifdef __powerpc__
51 # define PAGE_AGP __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE)
52 # else
53 # define PAGE_AGP PAGE_KERNEL
54 # endif
55 #endif
57 #else /* __OS_HAS_AGP */
59 #endif