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
10 #include <linux/config.h>
13 * Entries defined so far:
14 * - boot param structure itself
17 * - command line string
18 * - kernel code & data
19 * - Kernel memory map built from EFI memory map
21 * More could be added if necessary
23 #define IA64_MAX_RSVD_REGIONS 6
26 unsigned long start; /* virtual address of beginning of element */
27 unsigned long end; /* virtual address of end of element + 1 */
30 extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
31 extern int num_rsvd_regions;
33 extern void find_memory (void);
34 extern void reserve_memory (void);
35 extern void find_initrd (void);
36 extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
37 extern void efi_memmap_init(unsigned long *, unsigned long *);
40 * For rounding an address to the next IA64_GRANULE_SIZE or order
42 #define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
43 #define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
44 #define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
47 extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
49 # define call_pernode_memory(start, len, func) (*func)(start, len, 0)
52 #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
54 #ifdef CONFIG_VIRTUAL_MEM_MAP
55 # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */
56 extern unsigned long vmalloc_end;
57 extern struct page *vmem_map;
58 extern int find_largest_hole (u64 start, u64 end, void *arg);
59 extern int create_mem_map_page_table (u64 start, u64 end, void *arg);
62 #endif /* meminit_h */