Contributors: 22
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| JoonSoo Kim |
150 |
30.74% |
5 |
15.15% |
| Yu Zhao |
83 |
17.01% |
1 |
3.03% |
| Marek Szyprowski |
54 |
11.07% |
5 |
15.15% |
| van der Linden, Frank |
45 |
9.22% |
3 |
9.09% |
| Laura Abbott |
44 |
9.02% |
2 |
6.06% |
| Aslan Bakirov |
31 |
6.35% |
1 |
3.03% |
| Oreoluwa Babatunde |
14 |
2.87% |
1 |
3.03% |
| Hari Bathini |
10 |
2.05% |
1 |
3.03% |
| Sasha Levin |
10 |
2.05% |
1 |
3.03% |
| David Hildenbrand |
7 |
1.43% |
1 |
3.03% |
| Weijie Yang |
6 |
1.23% |
1 |
3.03% |
| Thierry Reding |
6 |
1.23% |
1 |
3.03% |
| MinChan Kim |
6 |
1.23% |
1 |
3.03% |
| Pintu Kumar |
5 |
1.02% |
1 |
3.03% |
| Mike Travis |
4 |
0.82% |
1 |
3.03% |
| Barry Song |
4 |
0.82% |
1 |
3.03% |
| Mike Kravetz |
3 |
0.61% |
1 |
3.03% |
| Zi Yan |
2 |
0.41% |
1 |
3.03% |
| Anshuman Khandual |
1 |
0.20% |
1 |
3.03% |
| Greg Kroah-Hartman |
1 |
0.20% |
1 |
3.03% |
| Lucas Stach |
1 |
0.20% |
1 |
3.03% |
| Motohiro Kosaki |
1 |
0.20% |
1 |
3.03% |
| Total |
488 |
|
33 |
|
/* 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_pages_valid(struct cma *cma, const struct page *pages, unsigned long count);
extern bool cma_release(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
#ifdef CONFIG_CMA
struct folio *cma_alloc_folio(struct cma *cma, int order, gfp_t gfp);
bool cma_free_folio(struct cma *cma, const struct folio *folio);
bool cma_validate_zones(struct cma *cma);
#else
static inline struct folio *cma_alloc_folio(struct cma *cma, int order, gfp_t gfp)
{
return NULL;
}
static inline bool cma_free_folio(struct cma *cma, const struct folio *folio)
{
return false;
}
static inline bool cma_validate_zones(struct cma *cma)
{
return false;
}
#endif
#endif