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
12 * Entries defined so far:
13 * - boot param structure itself
16 * - command line string
17 * - kernel code & data
18 * - crash dumping code reserved region
19 * - Kernel memory map built from EFI memory map
22 * More could be added if necessary
24 #define IA64_MAX_RSVD_REGIONS 8
27 unsigned long start; /* virtual address of beginning of element */
28 unsigned long end; /* virtual address of end of element + 1 */
31 extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
32 extern int num_rsvd_regions;
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 void efi_memmap_init(unsigned long *, unsigned long *);
39 extern int find_max_min_low_pfn (unsigned long , unsigned long, void *);
41 extern unsigned long vmcore_find_descriptor_size(unsigned long address);
42 extern int reserve_elfcorehdr(unsigned long *start, unsigned long *end);
45 * For rounding an address to the next IA64_GRANULE_SIZE or order
47 #define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
48 #define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
49 #define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
52 extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
54 # define call_pernode_memory(start, len, func) (*func)(start, len, 0)
57 #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
59 extern int register_active_ranges(u64 start, u64 end, void *arg);
61 #ifdef CONFIG_VIRTUAL_MEM_MAP
62 # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */
63 extern unsigned long vmalloc_end;
64 extern struct page *vmem_map;
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);
67 extern int vmemmap_find_next_valid_pfn(int, int);
69 static inline int vmemmap_find_next_valid_pfn(int node, int i)
74 #endif /* meminit_h */