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-rw-r--r--include/drm/drmP.h35
1 files changed, 2 insertions, 33 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 4a3c4e441027..2f3b3a00b7a3 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -55,6 +55,7 @@
55#include <linux/mm.h> 55#include <linux/mm.h>
56#include <linux/cdev.h> 56#include <linux/cdev.h>
57#include <linux/mutex.h> 57#include <linux/mutex.h>
58#include <linux/slab.h>
58#if defined(__alpha__) || defined(__powerpc__) 59#if defined(__alpha__) || defined(__powerpc__)
59#include <asm/pgtable.h> /* For pte_wrprotect */ 60#include <asm/pgtable.h> /* For pte_wrprotect */
60#endif 61#endif
@@ -1545,39 +1546,7 @@ static __inline__ void drm_core_dropmap(struct drm_local_map *map)
1545{ 1546{
1546} 1547}
1547 1548
1548 1549#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/*@}*/ 1550/*@}*/
1582 1551
1583#endif /* __KERNEL__ */ 1552#endif /* __KERNEL__ */