ia64/xen-unstable

view linux-2.6-xen-sparse/include/asm-ia64/meminit.h @ 9296:f85bb99187bf

Update interface documentation to include sched_op_new hypercall
and clean up the style a bit. Also clean up the sched_op_new
description in the sched.h public header.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Wed Mar 15 19:19:22 2006 +0100 (2006-03-15)
parents 17adc9c5984a
children 3adf00179a63
line source
1 #ifndef meminit_h
2 #define meminit_h
4 /*
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
7 * for more details.
8 */
10 #include <linux/config.h>
12 /*
13 * Entries defined so far:
14 * - boot param structure itself
15 * - memory map
16 * - initrd (optional)
17 * - command line string
18 * - kernel code & data
19 * - Kernel memory map built from EFI memory map
20 * - xen start info
21 *
22 * More could be added if necessary
23 */
24 #ifndef CONFIG_XEN
25 #define IA64_MAX_RSVD_REGIONS 6
26 #else
27 #define IA64_MAX_RSVD_REGIONS 7
28 #endif
30 struct rsvd_region {
31 unsigned long start; /* virtual address of beginning of element */
32 unsigned long end; /* virtual address of end of element + 1 */
33 };
35 extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
36 extern int num_rsvd_regions;
38 extern void find_memory (void);
39 extern void reserve_memory (void);
40 extern void find_initrd (void);
41 extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
42 extern void efi_memmap_init(unsigned long *, unsigned long *);
44 /*
45 * For rounding an address to the next IA64_GRANULE_SIZE or order
46 */
47 #define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
48 #define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
49 #define ORDERROUNDDOWN(n) ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
51 #ifdef CONFIG_NUMA
52 extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
53 #else
54 # define call_pernode_memory(start, len, func) (*func)(start, len, 0)
55 #endif
57 #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
59 #ifdef CONFIG_VIRTUAL_MEM_MAP
60 # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */
61 extern unsigned long vmalloc_end;
62 extern struct page *vmem_map;
63 extern int find_largest_hole (u64 start, u64 end, void *arg);
64 extern int create_mem_map_page_table (u64 start, u64 end, void *arg);
65 #endif
67 #endif /* meminit_h */