projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
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 | |
| a7956113 | 18 | * - crash dumping code reserved region |
| d8c97d5f | 19 | * - Kernel memory map built from EFI memory map |
| cee87af2 | 20 | * - ELF core header |
| 1da177e4 LT |
21 | * |
| 22 | * More could be added if necessary | |
| 23 | */ | |
| 627308c9 | 24 | #define IA64_MAX_RSVD_REGIONS 9 |
| 1da177e4 LT |
25 | |
| 26 | struct rsvd_region { | |
| e088a4ad MW |
27 | u64 start; /* virtual address of beginning of element */ |
| 28 | u64 end; /* virtual address of end of element + 1 */ | |
| 1da177e4 LT |
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); | |
| e088a4ad MW |
37 | extern int filter_rsvd_memory (u64 start, u64 end, void *arg); |
| 38 | extern int filter_memory (u64 start, u64 end, void *arg); | |
| 39 | extern unsigned long efi_memmap_init(u64 *s, u64 *e); | |
| 40 | extern int find_max_min_low_pfn (u64, u64, void *); | |
| 1da177e4 | 41 | |
| cee87af2 | 42 | extern unsigned long vmcore_find_descriptor_size(unsigned long address); |
| e088a4ad | 43 | extern int reserve_elfcorehdr(u64 *start, u64 *end); |
| cee87af2 | 44 | |
| 1da177e4 LT |
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)) | |
| 1da177e4 | 50 | |
| 1be7d993 | 51 | #ifdef CONFIG_NUMA |
| 1da177e4 LT |
52 | extern void call_pernode_memory (unsigned long start, unsigned long len, void *func); |
| 53 | #else | |
| 54 | # define call_pernode_memory(start, len, func) (*func)(start, len, 0) | |
| 55 | #endif | |
| 56 | ||
| 57 | #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */ | |
| 58 | ||
| 98075d24 | 59 | extern int register_active_ranges(u64 start, u64 len, int nid); |
| 139b8304 | 60 | |
| 1da177e4 LT |
61 | #ifdef CONFIG_VIRTUAL_MEM_MAP |
| 62 | # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */ | |
| 126b3fcd | 63 | extern unsigned long VMALLOC_END; |
| 1da177e4 | 64 | extern struct page *vmem_map; |
| e088a4ad MW |
65 | extern int find_largest_hole(u64 start, u64 end, void *arg); |
| 66 | extern int create_mem_map_page_table(u64 start, u64 end, void *arg); | |
| e44e41d0 BP |
67 | extern int vmemmap_find_next_valid_pfn(int, int); |
| 68 | #else | |
| 69 | static inline int vmemmap_find_next_valid_pfn(int node, int i) | |
| 70 | { | |
| 71 | return i + 1; | |
| 72 | } | |
| 1da177e4 | 73 | #endif |
| 1da177e4 | 74 | #endif /* meminit_h */ |