diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index ee7671d6c5eb..f964e4050583 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1177,7 +1177,7 @@ static inline void vma_set_flags_mask(struct vm_area_struct *vma, #define vma_set_flags(vma, ...) \ vma_set_flags_mask(vma, mk_vma_flags(__VA_ARGS__)) -/* Helper to test all VMA flags in a VMA descriptor. */ +/* Helper to test any VMA flags in a VMA descriptor. */ static inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, vma_flags_t flags) { @@ -1185,8 +1185,8 @@ static inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, } /* - * Helper macro for testing VMA flags for an input pointer to a struct - * vm_area_desc object describing a proposed VMA, e.g.: + * Helper macro for testing whether any VMA flags are set in a VMA descriptor, + * e.g.: * * if (vma_desc_test_any(desc, VMA_IO_BIT, VMA_PFNMAP_BIT, * VMA_DONTEXPAND_BIT, VMA_DONTDUMP_BIT)) { ... } @@ -1194,6 +1194,22 @@ static inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, #define vma_desc_test_any(desc, ...) \ vma_desc_test_any_mask(desc, mk_vma_flags(__VA_ARGS__)) +/* Helper to test all VMA flags in a VMA descriptor. */ +static inline bool vma_desc_test_all_mask(const struct vm_area_desc *desc, + vma_flags_t flags) +{ + return vma_flags_test_all_mask(&desc->vma_flags, flags); +} + +/* + * Helper macro for testing whether ALL VMA flags are set in a VMA descriptor, + * e.g.: + * + * if (vma_desc_test_all(desc, VMA_READ_BIT, VMA_MAYREAD_BIT)) { ... } + */ +#define vma_desc_test_all(desc, ...) \ + vma_desc_test_all_mask(desc, mk_vma_flags(__VA_ARGS__)) + /* Helper to set all VMA flags in a VMA descriptor. */ static inline void vma_desc_set_flags_mask(struct vm_area_desc *desc, vma_flags_t flags) @@ -1206,7 +1222,7 @@ static inline void vma_desc_set_flags_mask(struct vm_area_desc *desc, * vm_area_desc object describing a proposed VMA, e.g.: * * vma_desc_set_flags(desc, VMA_IO_BIT, VMA_PFNMAP_BIT, VMA_DONTEXPAND_BIT, - * VMA_DONTDUMP_BIT); + * VMA_DONTDUMP_BIT); */ #define vma_desc_set_flags(desc, ...) \ vma_desc_set_flags_mask(desc, mk_vma_flags(__VA_ARGS__)) |