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 * - Kernel memory map built from EFI memory map
21 * More could be added if necessary
24 #define IA64_MAX_RSVD_REGIONS 6
26 #define IA64_MAX_RSVD_REGIONS 7
30 unsigned long start; /* virtual address of beginning of element */
31 unsigned long end; /* virtual address of end of element + 1 */
34 extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
35 extern int num_rsvd_regions;
37 extern void find_memory (void);
38 extern void reserve_memory (void);
39 extern void find_initrd (void);
40 extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
41 extern void efi_memmap_init(unsigned long *, unsigned long *);
44 * For rounding an address to the next IA64_GRANULE_SIZE or order
46 #define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
47 #define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
48 #define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
51 extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
53 # define call_pernode_memory(start, len, func) (*func)(start, len, 0)
56 #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
58 #ifdef CONFIG_VIRTUAL_MEM_MAP
59 # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */
60 extern unsigned long vmalloc_end;
61 extern struct page *vmem_map;
62 extern int find_largest_hole (u64 start, u64 end, void *arg);
63 extern int create_mem_map_page_table (u64 start, u64 end, void *arg);
64 extern int vmemmap_find_next_valid_pfn(int, int);
66 static inline int vmemmap_find_next_valid_pfn(int node, int i)
71 #endif /* meminit_h */