include/asm-generic/pgtable_uffd.h

   1 #ifndef _ASM_GENERIC_PGTABLE_UFFD_H
   2 #define _ASM_GENERIC_PGTABLE_UFFD_H
   3
   4 #ifndef CONFIG_HAVE_ARCH_USERFAULTFD_WP
   5 static __always_inline int pte_uffd_wp(pte_t pte)
   6 {
   7         return 0;
   8 }
   9
  10 static __always_inline int pmd_uffd_wp(pmd_t pmd)
  11 {
  12         return 0;
  13 }
  14
  15 static __always_inline pte_t pte_mkuffd_wp(pte_t pte)
  16 {
  17         return pte;
  18 }
  19
  20 static __always_inline pmd_t pmd_mkuffd_wp(pmd_t pmd)
  21 {
  22         return pmd;
  23 }
  24
  25 static __always_inline pte_t pte_clear_uffd_wp(pte_t pte)
  26 {
  27         return pte;
  28 }
  29
  30 static __always_inline pmd_t pmd_clear_uffd_wp(pmd_t pmd)
  31 {
  32         return pmd;
  33 }
  34
  35 static __always_inline pte_t pte_swp_mkuffd_wp(pte_t pte)
  36 {
  37         return pte;
  38 }
  39
  40 static __always_inline int pte_swp_uffd_wp(pte_t pte)
  41 {
  42         return 0;
  43 }
  44
  45 static __always_inline pte_t pte_swp_clear_uffd_wp(pte_t pte)
  46 {
  47         return pte;
  48 }
  49
  50 static inline pmd_t pmd_swp_mkuffd_wp(pmd_t pmd)
  51 {
  52         return pmd;
  53 }
  54
  55 static inline int pmd_swp_uffd_wp(pmd_t pmd)
  56 {
  57         return 0;
  58 }
  59
  60 static inline pmd_t pmd_swp_clear_uffd_wp(pmd_t pmd)
  61 {
  62         return pmd;
  63 }
  64 #endif /* CONFIG_HAVE_ARCH_USERFAULTFD_WP */
  65
  66 #endif /* _ASM_GENERIC_PGTABLE_UFFD_H */