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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.
*/
#include <linux/config.h>
/*
* Entries defined so far:
* - boot param structure itself
* - memory map
* - initrd (optional)
* - command line string
* - kernel code & data
*
* More could be added if necessary
*/
#define IA64_MAX_RSVD_REGIONS 5
struct rsvd_region {
unsigned long start; /* virtual address of beginning of element */
unsigned long 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 (unsigned long start, unsigned long end, void *arg);
/*
* 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))
#define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
#ifdef CONFIG_DISCONTIGMEM
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... */
#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);
#endif
#endif /* meminit_h */
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