Contributors: 23
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| JoonSoo Kim |
147 |
35.25% |
5 |
14.71% |
| Marek Szyprowski |
56 |
13.43% |
5 |
14.71% |
| Laura Abbott |
46 |
11.03% |
2 |
5.88% |
| Aslan Bakirov |
31 |
7.43% |
1 |
2.94% |
| van der Linden, Frank |
29 |
6.95% |
3 |
8.82% |
| Yu Zhao |
15 |
3.60% |
1 |
2.94% |
| Oreoluwa Babatunde |
14 |
3.36% |
1 |
2.94% |
| Hari Bathini |
12 |
2.88% |
1 |
2.94% |
| Kefeng Wang |
11 |
2.64% |
1 |
2.94% |
| MinChan Kim |
8 |
1.92% |
1 |
2.94% |
| Sasha Levin |
8 |
1.92% |
1 |
2.94% |
| David Hildenbrand |
7 |
1.68% |
1 |
2.94% |
| Thierry Reding |
6 |
1.44% |
1 |
2.94% |
| Weijie Yang |
6 |
1.44% |
1 |
2.94% |
| Pintu Kumar |
5 |
1.20% |
1 |
2.94% |
| Barry Song |
4 |
0.96% |
1 |
2.94% |
| Mike Travis |
4 |
0.96% |
1 |
2.94% |
| Mike Kravetz |
2 |
0.48% |
1 |
2.94% |
| Zi Yan |
2 |
0.48% |
1 |
2.94% |
| Motohiro Kosaki |
1 |
0.24% |
1 |
2.94% |
| Greg Kroah-Hartman |
1 |
0.24% |
1 |
2.94% |
| Lucas Stach |
1 |
0.24% |
1 |
2.94% |
| Anshuman Khandual |
1 |
0.24% |
1 |
2.94% |
| Total |
417 |
|
34 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __CMA_H__
#define __CMA_H__
#include <linux/init.h>
#include <linux/types.h>
#include <linux/numa.h>
#ifdef CONFIG_CMA_AREAS
#define MAX_CMA_AREAS CONFIG_CMA_AREAS
#endif
#define CMA_MAX_NAME 64
/*
* the buddy -- especially pageblock merging and alloc_contig_range()
* -- can deal with only some pageblocks of a higher-order page being
* MIGRATE_CMA, we can use pageblock_nr_pages.
*/
#define CMA_MIN_ALIGNMENT_PAGES pageblock_nr_pages
#define CMA_MIN_ALIGNMENT_BYTES (PAGE_SIZE * CMA_MIN_ALIGNMENT_PAGES)
struct cma;
extern unsigned long totalcma_pages;
extern phys_addr_t cma_get_base(const struct cma *cma);
extern unsigned long cma_get_size(const struct cma *cma);
extern const char *cma_get_name(const struct cma *cma);
extern int __init cma_declare_contiguous_nid(phys_addr_t base,
phys_addr_t size, phys_addr_t limit,
phys_addr_t alignment, unsigned int order_per_bit,
bool fixed, const char *name, struct cma **res_cma,
int nid);
static inline int __init cma_declare_contiguous(phys_addr_t base,
phys_addr_t size, phys_addr_t limit,
phys_addr_t alignment, unsigned int order_per_bit,
bool fixed, const char *name, struct cma **res_cma)
{
return cma_declare_contiguous_nid(base, size, limit, alignment,
order_per_bit, fixed, name, res_cma, NUMA_NO_NODE);
}
extern int __init cma_declare_contiguous_multi(phys_addr_t size,
phys_addr_t align, unsigned int order_per_bit,
const char *name, struct cma **res_cma, int nid);
extern int cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
unsigned int order_per_bit,
const char *name,
struct cma **res_cma);
extern struct page *cma_alloc(struct cma *cma, unsigned long count, unsigned int align,
bool no_warn);
extern bool cma_release(struct cma *cma, const struct page *pages, unsigned long count);
struct page *cma_alloc_frozen(struct cma *cma, unsigned long count,
unsigned int align, bool no_warn);
struct page *cma_alloc_frozen_compound(struct cma *cma, unsigned int order);
bool cma_release_frozen(struct cma *cma, const struct page *pages,
unsigned long count);
extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data);
extern bool cma_intersects(struct cma *cma, unsigned long start, unsigned long end);
extern void cma_reserve_pages_on_error(struct cma *cma);
#ifdef CONFIG_DMA_CMA
extern bool cma_skip_dt_default_reserved_mem(void);
#else
static inline bool cma_skip_dt_default_reserved_mem(void)
{
return false;
}
#endif
#endif