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Diffstat (limited to 'arch/ia64/include/asm/meminit.h')
| -rw-r--r-- | arch/ia64/include/asm/meminit.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/meminit.h b/arch/ia64/include/asm/meminit.h new file mode 100644 index 0000000000..f1d5bf2ba8 --- /dev/null +++ b/arch/ia64/include/asm/meminit.h @@ -0,0 +1,59 @@ +#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 + * + * 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 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); + +/* + * 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); + +#endif /* meminit_h */ |