1*4882a593Smuzhiyun #ifndef _ASM_GENERIC_PGTABLE_UFFD_H 2*4882a593Smuzhiyun #define _ASM_GENERIC_PGTABLE_UFFD_H 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #ifndef CONFIG_HAVE_ARCH_USERFAULTFD_WP pte_uffd_wp(pte_t pte)5*4882a593Smuzhiyunstatic __always_inline int pte_uffd_wp(pte_t pte) 6*4882a593Smuzhiyun { 7*4882a593Smuzhiyun return 0; 8*4882a593Smuzhiyun } 9*4882a593Smuzhiyun pmd_uffd_wp(pmd_t pmd)10*4882a593Smuzhiyunstatic __always_inline int pmd_uffd_wp(pmd_t pmd) 11*4882a593Smuzhiyun { 12*4882a593Smuzhiyun return 0; 13*4882a593Smuzhiyun } 14*4882a593Smuzhiyun pte_mkuffd_wp(pte_t pte)15*4882a593Smuzhiyunstatic __always_inline pte_t pte_mkuffd_wp(pte_t pte) 16*4882a593Smuzhiyun { 17*4882a593Smuzhiyun return pte; 18*4882a593Smuzhiyun } 19*4882a593Smuzhiyun pmd_mkuffd_wp(pmd_t pmd)20*4882a593Smuzhiyunstatic __always_inline pmd_t pmd_mkuffd_wp(pmd_t pmd) 21*4882a593Smuzhiyun { 22*4882a593Smuzhiyun return pmd; 23*4882a593Smuzhiyun } 24*4882a593Smuzhiyun pte_clear_uffd_wp(pte_t pte)25*4882a593Smuzhiyunstatic __always_inline pte_t pte_clear_uffd_wp(pte_t pte) 26*4882a593Smuzhiyun { 27*4882a593Smuzhiyun return pte; 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun pmd_clear_uffd_wp(pmd_t pmd)30*4882a593Smuzhiyunstatic __always_inline pmd_t pmd_clear_uffd_wp(pmd_t pmd) 31*4882a593Smuzhiyun { 32*4882a593Smuzhiyun return pmd; 33*4882a593Smuzhiyun } 34*4882a593Smuzhiyun pte_swp_mkuffd_wp(pte_t pte)35*4882a593Smuzhiyunstatic __always_inline pte_t pte_swp_mkuffd_wp(pte_t pte) 36*4882a593Smuzhiyun { 37*4882a593Smuzhiyun return pte; 38*4882a593Smuzhiyun } 39*4882a593Smuzhiyun pte_swp_uffd_wp(pte_t pte)40*4882a593Smuzhiyunstatic __always_inline int pte_swp_uffd_wp(pte_t pte) 41*4882a593Smuzhiyun { 42*4882a593Smuzhiyun return 0; 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun pte_swp_clear_uffd_wp(pte_t pte)45*4882a593Smuzhiyunstatic __always_inline pte_t pte_swp_clear_uffd_wp(pte_t pte) 46*4882a593Smuzhiyun { 47*4882a593Smuzhiyun return pte; 48*4882a593Smuzhiyun } 49*4882a593Smuzhiyun pmd_swp_mkuffd_wp(pmd_t pmd)50*4882a593Smuzhiyunstatic inline pmd_t pmd_swp_mkuffd_wp(pmd_t pmd) 51*4882a593Smuzhiyun { 52*4882a593Smuzhiyun return pmd; 53*4882a593Smuzhiyun } 54*4882a593Smuzhiyun pmd_swp_uffd_wp(pmd_t pmd)55*4882a593Smuzhiyunstatic inline int pmd_swp_uffd_wp(pmd_t pmd) 56*4882a593Smuzhiyun { 57*4882a593Smuzhiyun return 0; 58*4882a593Smuzhiyun } 59*4882a593Smuzhiyun pmd_swp_clear_uffd_wp(pmd_t pmd)60*4882a593Smuzhiyunstatic inline pmd_t pmd_swp_clear_uffd_wp(pmd_t pmd) 61*4882a593Smuzhiyun { 62*4882a593Smuzhiyun return pmd; 63*4882a593Smuzhiyun } 64*4882a593Smuzhiyun #endif /* CONFIG_HAVE_ARCH_USERFAULTFD_WP */ 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun #endif /* _ASM_GENERIC_PGTABLE_UFFD_H */ 67