aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/bootmem.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/bootmem.h')
-rw-r--r--include/linux/bootmem.h104
1 files changed, 60 insertions, 44 deletions
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 22866fa2d960..31e9abb6d977 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -4,11 +4,8 @@
4#ifndef _LINUX_BOOTMEM_H 4#ifndef _LINUX_BOOTMEM_H
5#define _LINUX_BOOTMEM_H 5#define _LINUX_BOOTMEM_H
6 6
7#include <asm/pgtable.h>
8#include <asm/dma.h>
9#include <linux/cache.h>
10#include <linux/init.h>
11#include <linux/mmzone.h> 7#include <linux/mmzone.h>
8#include <asm/dma.h>
12 9
13/* 10/*
14 * simple boot-time physical memory area allocator. 11 * simple boot-time physical memory area allocator.
@@ -41,45 +38,64 @@ typedef struct bootmem_data {
41 struct list_head list; 38 struct list_head list;
42} bootmem_data_t; 39} bootmem_data_t;
43 40
44extern unsigned long __init bootmem_bootmap_pages (unsigned long); 41extern unsigned long bootmem_bootmap_pages(unsigned long);
45extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend); 42extern unsigned long init_bootmem(unsigned long addr, unsigned long memend);
46extern void __init free_bootmem (unsigned long addr, unsigned long size); 43extern void free_bootmem(unsigned long addr, unsigned long size);
47extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal); 44extern void *__alloc_bootmem(unsigned long size,
48extern void * __init __alloc_bootmem_nopanic (unsigned long size, unsigned long align, unsigned long goal); 45 unsigned long align,
49extern void * __init __alloc_bootmem_low(unsigned long size, 46 unsigned long goal);
50 unsigned long align, 47extern void *__alloc_bootmem_nopanic(unsigned long size,
51 unsigned long goal); 48 unsigned long align,
52extern void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, 49 unsigned long goal);
53 unsigned long size, 50extern void *__alloc_bootmem_low(unsigned long size,
54 unsigned long align, 51 unsigned long align,
55 unsigned long goal); 52 unsigned long goal);
56extern void * __init __alloc_bootmem_core(struct bootmem_data *bdata, 53extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
57 unsigned long size, unsigned long align, unsigned long goal, 54 unsigned long size,
58 unsigned long limit); 55 unsigned long align,
56 unsigned long goal);
57extern void *__alloc_bootmem_core(struct bootmem_data *bdata,
58 unsigned long size,
59 unsigned long align,
60 unsigned long goal,
61 unsigned long limit);
62
59#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE 63#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
60extern void __init reserve_bootmem (unsigned long addr, unsigned long size); 64extern void reserve_bootmem(unsigned long addr, unsigned long size);
61#define alloc_bootmem(x) \ 65#define alloc_bootmem(x) \
62 __alloc_bootmem((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) 66 __alloc_bootmem(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
63#define alloc_bootmem_low(x) \ 67#define alloc_bootmem_low(x) \
64 __alloc_bootmem_low((x), SMP_CACHE_BYTES, 0) 68 __alloc_bootmem_low(x, SMP_CACHE_BYTES, 0)
65#define alloc_bootmem_pages(x) \ 69#define alloc_bootmem_pages(x) \
66 __alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) 70 __alloc_bootmem(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
67#define alloc_bootmem_low_pages(x) \ 71#define alloc_bootmem_low_pages(x) \
68 __alloc_bootmem_low((x), PAGE_SIZE, 0) 72 __alloc_bootmem_low(x, PAGE_SIZE, 0)
69#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ 73#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
70extern unsigned long __init free_all_bootmem (void); 74
71extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal); 75extern unsigned long free_all_bootmem(void);
72extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long freepfn, unsigned long startpfn, unsigned long endpfn); 76extern unsigned long free_all_bootmem_node(pg_data_t *pgdat);
73extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size); 77extern void *__alloc_bootmem_node(pg_data_t *pgdat,
74extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size); 78 unsigned long size,
75extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat); 79 unsigned long align,
80 unsigned long goal);
81extern unsigned long init_bootmem_node(pg_data_t *pgdat,
82 unsigned long freepfn,
83 unsigned long startpfn,
84 unsigned long endpfn);
85extern void reserve_bootmem_node(pg_data_t *pgdat,
86 unsigned long physaddr,
87 unsigned long size);
88extern void free_bootmem_node(pg_data_t *pgdat,
89 unsigned long addr,
90 unsigned long size);
91
76#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE 92#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
77#define alloc_bootmem_node(pgdat, x) \ 93#define alloc_bootmem_node(pgdat, x) \
78 __alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) 94 __alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
79#define alloc_bootmem_pages_node(pgdat, x) \ 95#define alloc_bootmem_pages_node(pgdat, x) \
80 __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) 96 __alloc_bootmem_node(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
81#define alloc_bootmem_low_pages_node(pgdat, x) \ 97#define alloc_bootmem_low_pages_node(pgdat, x) \
82 __alloc_bootmem_low_node((pgdat), (x), PAGE_SIZE, 0) 98 __alloc_bootmem_low_node(pgdat, x, PAGE_SIZE, 0)
83#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ 99#endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
84 100
85#ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP 101#ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
@@ -89,19 +105,19 @@ static inline void *alloc_remap(int nid, unsigned long size)
89{ 105{
90 return NULL; 106 return NULL;
91} 107}
92#endif 108#endif /* CONFIG_HAVE_ARCH_ALLOC_REMAP */
93 109
94extern unsigned long nr_kernel_pages; 110extern unsigned long __meminitdata nr_kernel_pages;
95extern unsigned long nr_all_pages; 111extern unsigned long nr_all_pages;
96 112
97extern void *__init alloc_large_system_hash(const char *tablename, 113extern void *alloc_large_system_hash(const char *tablename,
98 unsigned long bucketsize, 114 unsigned long bucketsize,
99 unsigned long numentries, 115 unsigned long numentries,
100 int scale, 116 int scale,
101 int flags, 117 int flags,
102 unsigned int *_hash_shift, 118 unsigned int *_hash_shift,
103 unsigned int *_hash_mask, 119 unsigned int *_hash_mask,
104 unsigned long limit); 120 unsigned long limit);
105 121
106#define HASH_HIGHMEM 0x00000001 /* Consider highmem? */ 122#define HASH_HIGHMEM 0x00000001 /* Consider highmem? */
107#define HASH_EARLY 0x00000002 /* Allocating during early boot? */ 123#define HASH_EARLY 0x00000002 /* Allocating during early boot? */
@@ -114,7 +130,7 @@ extern void *__init alloc_large_system_hash(const char *tablename,
114#else 130#else
115#define HASHDIST_DEFAULT 0 131#define HASHDIST_DEFAULT 0
116#endif 132#endif
117extern int __initdata hashdist; /* Distribute hashes across NUMA nodes? */ 133extern int hashdist; /* Distribute hashes across NUMA nodes? */
118 134
119 135
120#endif /* _LINUX_BOOTMEM_H */ 136#endif /* _LINUX_BOOTMEM_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-09 19:11:56 -0500