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authorDave Airlie <airlied@redhat.com>2010-03-09 01:33:26 -0500
committerDave Airlie <airlied@redhat.com>2010-03-14 20:31:43 -0400
commit72e942dd846f98e2d35aad5436d77a878ef05c5e (patch)
treebed31b516da9fd80058800caa6161b6e0f880595 /include
parentd424b925f7092b9d95e0a8556872349abe79d9b6 (diff)
drm/ttm: use drm calloc large and free large
Now that the drm core can do this, lets just use it, split the code out so TTM doesn't have to drag all of drmP.h in. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/drm/drmP.h34
-rw-r--r--include/drm/drm_mem_util.h65
-rw-r--r--include/drm/ttm/ttm_bo_driver.h1
3 files changed, 66 insertions, 34 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 4a3c4e441027..de2f82efb15f 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1545,39 +1545,7 @@ static __inline__ void drm_core_dropmap(struct drm_local_map *map)
1545{ 1545{
1546} 1546}
1547 1547
1548 1548#include "drm_mem_util.h"
1549static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
1550{
1551 if (size != 0 && nmemb > ULONG_MAX / size)
1552 return NULL;
1553
1554 if (size * nmemb <= PAGE_SIZE)
1555 return kcalloc(nmemb, size, GFP_KERNEL);
1556
1557 return __vmalloc(size * nmemb,
1558 GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
1559}
1560
1561/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
1562static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
1563{
1564 if (size != 0 && nmemb > ULONG_MAX / size)
1565 return NULL;
1566
1567 if (size * nmemb <= PAGE_SIZE)
1568 return kmalloc(nmemb * size, GFP_KERNEL);
1569
1570 return __vmalloc(size * nmemb,
1571 GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
1572}
1573
1574static __inline void drm_free_large(void *ptr)
1575{
1576 if (!is_vmalloc_addr(ptr))
1577 return kfree(ptr);
1578
1579 vfree(ptr);
1580}
1581/*@}*/ 1549/*@}*/
1582 1550
1583#endif /* __KERNEL__ */ 1551#endif /* __KERNEL__ */
diff --git a/include/drm/drm_mem_util.h b/include/drm/drm_mem_util.h
new file mode 100644
index 000000000000..6bd325fedc87
--- /dev/null
+++ b/include/drm/drm_mem_util.h
@@ -0,0 +1,65 @@
1/*
2 * Copyright © 2008 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Jesse Barnes <jbarnes@virtuousgeek.org>
25 *
26 */
27#ifndef _DRM_MEM_UTIL_H_
28#define _DRM_MEM_UTIL_H_
29
30#include <linux/vmalloc.h>
31
32static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
33{
34 if (size != 0 && nmemb > ULONG_MAX / size)
35 return NULL;
36
37 if (size * nmemb <= PAGE_SIZE)
38 return kcalloc(nmemb, size, GFP_KERNEL);
39
40 return __vmalloc(size * nmemb,
41 GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
42}
43
44/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
45static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
46{
47 if (size != 0 && nmemb > ULONG_MAX / size)
48 return NULL;
49
50 if (size * nmemb <= PAGE_SIZE)
51 return kmalloc(nmemb * size, GFP_KERNEL);
52
53 return __vmalloc(size * nmemb,
54 GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
55}
56
57static __inline void drm_free_large(void *ptr)
58{
59 if (!is_vmalloc_addr(ptr))
60 return kfree(ptr);
61
62 vfree(ptr);
63}
64
65#endif
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index e3f1b4a4b601..e929c27ede22 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -115,7 +115,6 @@ struct ttm_backend {
115 struct ttm_backend_func *func; 115 struct ttm_backend_func *func;
116}; 116};
117 117
118#define TTM_PAGE_FLAG_VMALLOC (1 << 0)
119#define TTM_PAGE_FLAG_USER (1 << 1) 118#define TTM_PAGE_FLAG_USER (1 << 1)
120#define TTM_PAGE_FLAG_USER_DIRTY (1 << 2) 119#define TTM_PAGE_FLAG_USER_DIRTY (1 << 2)
121#define TTM_PAGE_FLAG_WRITE (1 << 3) 120#define TTM_PAGE_FLAG_WRITE (1 << 3)