1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* mm_init.h:
*
* mm/ internal mm_init and memblock declarations
*/
#ifndef __MM_MM_INIT_H
#define __MM_MM_INIT_H
#include <linux/types.h>
#include <linux/init.h>
#include <linux/mmzone.h>
#include <linux/jump_label.h>
#include <linux/printk.h>
struct page;
struct vmem_altmap;
/* perform sanity checks on struct pages being allocated or freed */
DECLARE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled);
void set_zone_contiguous(struct zone *zone);
bool pfn_range_intersects_zones(int nid, unsigned long start_pfn,
unsigned long nr_pages);
static inline void clear_zone_contiguous(struct zone *zone)
{
zone->contiguous = false;
}
void memblock_free_pages(unsigned long pfn, unsigned int order);
void *memmap_alloc(phys_addr_t size, phys_addr_t align, phys_addr_t min_addr,
int nid, bool exact_nid);
void memmap_init_range(unsigned long size, int nid, unsigned long zone,
unsigned long start_pfn, unsigned long zone_end_pfn,
enum meminit_context context,
struct vmem_altmap *altmap, int migratetype,
bool isolate_pageblock);
#if defined CONFIG_COMPACTION || defined CONFIG_CMA
/* Free whole pageblock and set its migration type to MIGRATE_CMA. */
void init_cma_reserved_pageblock(struct page *page);
#endif
#ifdef CONFIG_CMA
void init_cma_pageblock(struct page *page);
#else
static inline void init_cma_pageblock(struct page *page)
{
}
#endif
/* Memory initialisation debug and verification */
#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
DECLARE_STATIC_KEY_TRUE(deferred_pages);
static inline bool deferred_pages_enabled(void)
{
return static_branch_unlikely(&deferred_pages);
}
bool __init deferred_grow_zone(struct zone *zone, unsigned int order);
#else
static inline bool deferred_pages_enabled(void)
{
return false;
}
#endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */
void init_deferred_page(unsigned long pfn, int nid);
enum mminit_level {
MMINIT_WARNING,
MMINIT_VERIFY,
MMINIT_TRACE
};
#ifdef CONFIG_DEBUG_MEMORY_INIT
extern int mminit_loglevel;
#define mminit_dprintk(level, prefix, fmt, arg...) \
do { \
if (level < mminit_loglevel) { \
if (level <= MMINIT_WARNING) \
pr_warn("mminit::" prefix " " fmt, ##arg); \
else \
printk(KERN_DEBUG "mminit::" prefix " " fmt, ##arg); \
} \
} while (0)
void mminit_verify_pageflags_layout(void);
void mminit_verify_zonelist(void);
#else
static inline void mminit_dprintk(enum mminit_level level,
const char *prefix, const char *fmt, ...)
{
}
static inline void mminit_verify_pageflags_layout(void)
{
}
static inline void mminit_verify_zonelist(void)
{
}
#endif /* CONFIG_DEBUG_MEMORY_INIT */
extern bool mirrored_kernelcore;
bool memblock_has_mirror(void);
void memblock_free_all(void);
void __meminit __init_single_page(struct page *page, unsigned long pfn,
unsigned long zone, int nid);
#endif /* __MM_MM_INIT_H */
|
