Contributors: 18
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
JoonSoo Kim |
136 |
44.16% |
5 |
18.52% |
Marek Szyprowski |
43 |
13.96% |
5 |
18.52% |
Laura Abbott |
39 |
12.66% |
2 |
7.41% |
Aslan Bakirov |
28 |
9.09% |
1 |
3.70% |
Hari Bathini |
10 |
3.25% |
1 |
3.70% |
Sasha Levin |
8 |
2.60% |
1 |
3.70% |
David Hildenbrand |
7 |
2.27% |
1 |
3.70% |
Weijie Yang |
6 |
1.95% |
1 |
3.70% |
Thierry Reding |
6 |
1.95% |
1 |
3.70% |
Pintu Kumar |
5 |
1.62% |
1 |
3.70% |
Barry Song |
4 |
1.30% |
1 |
3.70% |
MinChan Kim |
4 |
1.30% |
1 |
3.70% |
Mike Travis |
4 |
1.30% |
1 |
3.70% |
Mike Kravetz |
3 |
0.97% |
1 |
3.70% |
Zi Yan |
2 |
0.65% |
1 |
3.70% |
Motohiro Kosaki |
1 |
0.32% |
1 |
3.70% |
Greg Kroah-Hartman |
1 |
0.32% |
1 |
3.70% |
Lucas Stach |
1 |
0.32% |
1 |
3.70% |
Total |
308 |
|
27 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __CMA_H__
#define __CMA_H__
#include <linux/init.h>
#include <linux/types.h>
#include <linux/numa.h>
/*
* There is always at least global CMA area and a few optional
* areas configured in kernel .config.
*/
#ifdef CONFIG_CMA_AREAS
#define MAX_CMA_AREAS (1 + 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 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 void cma_reserve_pages_on_error(struct cma *cma);
#endif