ia64/linux-2.6.18-xen.hg

view include/asm-m68knommu/pgtable.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 #ifndef _M68KNOMMU_PGTABLE_H
2 #define _M68KNOMMU_PGTABLE_H
4 #include <asm-generic/4level-fixup.h>
6 /*
7 * (C) Copyright 2000-2002, Greg Ungerer <gerg@snapgear.com>
8 */
10 #include <linux/slab.h>
11 #include <asm/processor.h>
12 #include <asm/page.h>
13 #include <asm/io.h>
15 /*
16 * Trivial page table functions.
17 */
18 #define pgd_present(pgd) (1)
19 #define pgd_none(pgd) (0)
20 #define pgd_bad(pgd) (0)
21 #define pgd_clear(pgdp)
22 #define kern_addr_valid(addr) (1)
23 #define pmd_offset(a, b) ((void *)0)
25 #define PAGE_NONE __pgprot(0)
26 #define PAGE_SHARED __pgprot(0)
27 #define PAGE_COPY __pgprot(0)
28 #define PAGE_READONLY __pgprot(0)
29 #define PAGE_KERNEL __pgprot(0)
31 extern void paging_init(void);
32 #define swapper_pg_dir ((pgd_t *) 0)
34 #define __swp_type(x) (0)
35 #define __swp_offset(x) (0)
36 #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
37 #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
38 #define __swp_entry_to_pte(x) ((pte_t) { (x).val })
40 static inline int pte_file(pte_t pte) { return 0; }
42 /*
43 * ZERO_PAGE is a global shared page that is always zero: used
44 * for zero-mapped memory areas etc..
45 */
46 #define ZERO_PAGE(vaddr) (virt_to_page(0))
48 /*
49 * These would be in other places but having them here reduces the diffs.
50 */
51 extern unsigned int kobjsize(const void *objp);
52 extern int is_in_rom(unsigned long);
54 /*
55 * No page table caches to initialise.
56 */
57 #define pgtable_cache_init() do { } while (0)
59 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
60 remap_pfn_range(vma, vaddr, pfn, size, prot)
62 #define MK_IOSPACE_PFN(space, pfn) (pfn)
63 #define GET_IOSPACE(pfn) 0
64 #define GET_PFN(pfn) (pfn)
66 /*
67 * All 32bit addresses are effectively valid for vmalloc...
68 * Sort of meaningless for non-VM targets.
69 */
70 #define VMALLOC_START 0
71 #define VMALLOC_END 0xffffffff
73 #endif /* _M68KNOMMU_PGTABLE_H */