Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Deepak Saxena |
112 |
32.75% |
1 |
8.33% |
| Linus Torvalds |
63 |
18.42% |
1 |
8.33% |
| Geert Uytterhoeven |
50 |
14.62% |
1 |
8.33% |
| Hollis Blanchard |
28 |
8.19% |
1 |
8.33% |
| Sean O. Stalley |
27 |
7.89% |
1 |
8.33% |
| Keith Busch |
24 |
7.02% |
1 |
8.33% |
| Tejun Heo |
22 |
6.43% |
1 |
8.33% |
| Linus Torvalds (pre-git) |
8 |
2.34% |
2 |
16.67% |
| Mark Brown |
3 |
0.88% |
1 |
8.33% |
| Al Viro |
3 |
0.88% |
1 |
8.33% |
| Christoph Hellwig |
2 |
0.58% |
1 |
8.33% |
| Total |
342 |
|
12 |
|
/*
* include/linux/dmapool.h
*
* Allocation pools for DMAable (coherent) memory.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef LINUX_DMAPOOL_H
#define LINUX_DMAPOOL_H
#include <linux/nodemask_types.h>
#include <linux/scatterlist.h>
#include <asm/io.h>
struct device;
#ifdef CONFIG_HAS_DMA
struct dma_pool *dma_pool_create_node(const char *name, struct device *dev,
size_t size, size_t align, size_t boundary, int node);
void dma_pool_destroy(struct dma_pool *pool);
void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
dma_addr_t *handle);
void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);
/*
* Managed DMA pool
*/
struct dma_pool *dmam_pool_create(const char *name, struct device *dev,
size_t size, size_t align, size_t allocation);
void dmam_pool_destroy(struct dma_pool *pool);
#else /* !CONFIG_HAS_DMA */
static inline struct dma_pool *dma_pool_create_node(const char *name,
struct device *dev, size_t size, size_t align, size_t boundary,
int node)
{
return NULL;
}
static inline void dma_pool_destroy(struct dma_pool *pool) { }
static inline void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
dma_addr_t *handle) { return NULL; }
static inline void dma_pool_free(struct dma_pool *pool, void *vaddr,
dma_addr_t addr) { }
static inline struct dma_pool *dmam_pool_create(const char *name,
struct device *dev, size_t size, size_t align, size_t allocation)
{ return NULL; }
static inline void dmam_pool_destroy(struct dma_pool *pool) { }
#endif /* !CONFIG_HAS_DMA */
static inline struct dma_pool *dma_pool_create(const char *name,
struct device *dev, size_t size, size_t align, size_t boundary)
{
return dma_pool_create_node(name, dev, size, align, boundary,
NUMA_NO_NODE);
}
static inline void *dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags,
dma_addr_t *handle)
{
return dma_pool_alloc(pool, mem_flags | __GFP_ZERO, handle);
}
#endif