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#ifndef meminit_h
#define meminit_h
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
/*
* Entries defined so far:
* - boot param structure itself
* - memory map
* - initrd (optional)
* - command line string
* - kernel code & data
* - crash dumping code reserved region
* - Kernel memory map built from EFI memory map
* - ELF core header
* - xen start info if CONFIG_XEN
*
* More could be added if necessary
*/
#define IA64_MAX_RSVD_REGIONS 9
struct rsvd_region {
u64 start; /* virtual address of beginning of element */
u64 end; /* virtual address of end of element + 1 */
};
extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
extern int num_rsvd_regions;
extern void find_memory (void);
extern void reserve_memory (void);
extern void find_initrd (void);
extern int filter_rsvd_memory (u64 start, u64 end, void *arg);
extern int filter_memory (u64 start, u64 end, void *arg);
extern unsigned long efi_memmap_init(u64 *s, u64 *e);
extern int find_max_min_low_pfn (u64, u64, void *);
extern unsigned long vmcore_find_descriptor_size(unsigned long address);
extern int reserve_elfcorehdr(u64 *start, u64 *end);
/*
* For rounding an address to the next IA64_GRANULE_SIZE or order
*/
#define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
#define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
#ifdef CONFIG_NUMA
extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
#else
# define call_pernode_memory(start, len, func) (*func)(start, len, 0)
#endif
#define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
extern int register_active_ranges(u64 start, u64 len, int nid);
#ifdef CONFIG_VIRTUAL_MEM_MAP
# define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */
extern unsigned long VMALLOC_END;
extern struct page *vmem_map;
extern int find_largest_hole(u64 start, u64 end, void *arg);
extern int create_mem_map_page_table(u64 start, u64 end, void *arg);
extern int vmemmap_find_next_valid_pfn(int, int);
#else
static inline int vmemmap_find_next_valid_pfn(int node, int i)
{
return i + 1;
}
#endif
#endif /* meminit_h */