diff options
Diffstat (limited to 'arch/ia64/include/asm/meminit.h')
-rw-r--r-- | arch/ia64/include/asm/meminit.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/meminit.h b/arch/ia64/include/asm/meminit.h new file mode 100644 index 000000000000..7245a5781594 --- /dev/null +++ b/arch/ia64/include/asm/meminit.h | |||
@@ -0,0 +1,75 @@ | |||
1 | #ifndef meminit_h | ||
2 | #define meminit_h | ||
3 | |||
4 | /* | ||
5 | * This file is subject to the terms and conditions of the GNU General Public | ||
6 | * License. See the file "COPYING" in the main directory of this archive | ||
7 | * for more details. | ||
8 | */ | ||
9 | |||
10 | |||
11 | /* | ||
12 | * Entries defined so far: | ||
13 | * - boot param structure itself | ||
14 | * - memory map | ||
15 | * - initrd (optional) | ||
16 | * - command line string | ||
17 | * - kernel code & data | ||
18 | * - crash dumping code reserved region | ||
19 | * - Kernel memory map built from EFI memory map | ||
20 | * - ELF core header | ||
21 | * | ||
22 | * More could be added if necessary | ||
23 | */ | ||
24 | #define IA64_MAX_RSVD_REGIONS 8 | ||
25 | |||
26 | struct rsvd_region { | ||
27 | unsigned long start; /* virtual address of beginning of element */ | ||
28 | unsigned long end; /* virtual address of end of element + 1 */ | ||
29 | }; | ||
30 | |||
31 | extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1]; | ||
32 | extern int num_rsvd_regions; | ||
33 | |||
34 | extern void find_memory (void); | ||
35 | extern void reserve_memory (void); | ||
36 | extern void find_initrd (void); | ||
37 | extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg); | ||
38 | extern int filter_memory (unsigned long start, unsigned long end, void *arg); | ||
39 | extern unsigned long efi_memmap_init(unsigned long *s, unsigned long *e); | ||
40 | extern int find_max_min_low_pfn (unsigned long , unsigned long, void *); | ||
41 | |||
42 | extern unsigned long vmcore_find_descriptor_size(unsigned long address); | ||
43 | extern int reserve_elfcorehdr(unsigned long *start, unsigned long *end); | ||
44 | |||
45 | /* | ||
46 | * For rounding an address to the next IA64_GRANULE_SIZE or order | ||
47 | */ | ||
48 | #define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1)) | ||
49 | #define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1)) | ||
50 | #define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1)) | ||
51 | |||
52 | #ifdef CONFIG_NUMA | ||
53 | extern void call_pernode_memory (unsigned long start, unsigned long len, void *func); | ||
54 | #else | ||
55 | # define call_pernode_memory(start, len, func) (*func)(start, len, 0) | ||
56 | #endif | ||
57 | |||
58 | #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */ | ||
59 | |||
60 | extern int register_active_ranges(u64 start, u64 len, int nid); | ||
61 | |||
62 | #ifdef CONFIG_VIRTUAL_MEM_MAP | ||
63 | # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */ | ||
64 | extern unsigned long vmalloc_end; | ||
65 | extern struct page *vmem_map; | ||
66 | extern int find_largest_hole (u64 start, u64 end, void *arg); | ||
67 | extern int create_mem_map_page_table (u64 start, u64 end, void *arg); | ||
68 | extern int vmemmap_find_next_valid_pfn(int, int); | ||
69 | #else | ||
70 | static inline int vmemmap_find_next_valid_pfn(int node, int i) | ||
71 | { | ||
72 | return i + 1; | ||
73 | } | ||
74 | #endif | ||
75 | #endif /* meminit_h */ | ||