1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _ASM_GENERIC_PGTABLE_H
13#define _ASM_GENERIC_PGTABLE_H
14
15#ifndef __HAVE_ARCH_PTEP_ESTABLISH
16
17#ifndef __HAVE_ARCH_SET_PTE_ATOMIC
18#define ptep_establish(__vma, __address, __ptep, __entry)  do {   set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry);   flush_tlb_page(__vma, __address);  } while (0)
19#else
20#define ptep_establish(__vma, __address, __ptep, __entry)  do {   set_pte_atomic(__ptep, __entry);   flush_tlb_page(__vma, __address);  } while (0)
21#endif
22#endif
23
24#ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
25
26#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty)  do {   set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry);   flush_tlb_page(__vma, __address);  } while (0)
27#endif
28
29#ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
30#define ptep_test_and_clear_young(__vma, __address, __ptep)  ({   pte_t __pte = *(__ptep);   int r = 1;   if (!pte_young(__pte))   r = 0;   else   set_pte_at((__vma)->vm_mm, (__address),   (__ptep), pte_mkold(__pte));   r;  })
31#endif
32
33#ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
34#define ptep_clear_flush_young(__vma, __address, __ptep)  ({   int __young;   __young = ptep_test_and_clear_young(__vma, __address, __ptep);   if (__young)   flush_tlb_page(__vma, __address);   __young;  })
35#endif
36
37#ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
38#define ptep_test_and_clear_dirty(__vma, __address, __ptep)  ({   pte_t __pte = *__ptep;   int r = 1;   if (!pte_dirty(__pte))   r = 0;   else   set_pte_at((__vma)->vm_mm, (__address), (__ptep),   pte_mkclean(__pte));   r;  })
39#endif
40
41#ifndef __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH
42#define ptep_clear_flush_dirty(__vma, __address, __ptep)  ({   int __dirty;   __dirty = ptep_test_and_clear_dirty(__vma, __address, __ptep);   if (__dirty)   flush_tlb_page(__vma, __address);   __dirty;  })
43#endif
44
45#ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR
46#define ptep_get_and_clear(__mm, __address, __ptep)  ({   pte_t __pte = *(__ptep);   pte_clear((__mm), (__address), (__ptep));   __pte;  })
47#endif
48
49#ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL
50#define ptep_get_and_clear_full(__mm, __address, __ptep, __full)  ({   pte_t __pte;   __pte = ptep_get_and_clear((__mm), (__address), (__ptep));   __pte;  })
51#endif
52
53#ifndef __HAVE_ARCH_PTE_CLEAR_FULL
54#define pte_clear_full(__mm, __address, __ptep, __full)  do {   pte_clear((__mm), (__address), (__ptep));  } while (0)
55#endif
56
57#ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH
58#define ptep_clear_flush(__vma, __address, __ptep)  ({   pte_t __pte;   __pte = ptep_get_and_clear((__vma)->vm_mm, __address, __ptep);   flush_tlb_page(__vma, __address);   __pte;  })
59#endif
60
61#ifndef __HAVE_ARCH_PTEP_SET_WRPROTECT
62struct mm_struct;
63#endif
64#ifndef __HAVE_ARCH_PTE_SAME
65#define pte_same(A,B) (pte_val(A) == pte_val(B))
66#endif
67#ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY
68#define page_test_and_clear_dirty(page) (0)
69#define pte_maybe_dirty(pte) pte_dirty(pte)
70#else
71#define pte_maybe_dirty(pte) (1)
72#endif
73#ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG
74#define page_test_and_clear_young(page) (0)
75#endif
76#ifndef __HAVE_ARCH_PGD_OFFSET_GATE
77#define pgd_offset_gate(mm, addr) pgd_offset(mm, addr)
78#endif
79#ifndef __HAVE_ARCH_LAZY_MMU_PROT_UPDATE
80#define lazy_mmu_prot_update(pte) do { } while (0)
81#endif
82#ifndef __HAVE_ARCH_MOVE_PTE
83#define move_pte(pte, prot, old_addr, new_addr) (pte)
84#endif
85#define pgd_addr_end(addr, end)  ({ unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK;   (__boundary - 1 < (end) - 1)? __boundary: (end);  })
86#ifndef pud_addr_end
87#define pud_addr_end(addr, end)  ({ unsigned long __boundary = ((addr) + PUD_SIZE) & PUD_MASK;   (__boundary - 1 < (end) - 1)? __boundary: (end);  })
88#endif
89#ifndef pmd_addr_end
90#define pmd_addr_end(addr, end)  ({ unsigned long __boundary = ((addr) + PMD_SIZE) & PMD_MASK;   (__boundary - 1 < (end) - 1)? __boundary: (end);  })
91#endif
92#ifndef __ASSEMBLY__
93
94#endif
95#endif
96