diff options
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 3868ca1a25f9..4ed4a0b9dad6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -34,6 +34,8 @@ #include <linux/slab.h> #include <linux/cacheinfo.h> #include <linux/rcuwait.h> +#include <linux/bitmap.h> +#include <linux/bitops.h> struct mempolicy; struct anon_vma; @@ -720,6 +722,36 @@ static inline void assert_fault_locked(struct vm_fault *vmf) } #endif /* CONFIG_PER_VMA_LOCK */ +static inline bool mm_flags_test(int flag, const struct mm_struct *mm) +{ + return test_bit(flag, ACCESS_PRIVATE(&mm->_flags, __mm_flags)); +} + +static inline bool mm_flags_test_and_set(int flag, struct mm_struct *mm) +{ + return test_and_set_bit(flag, ACCESS_PRIVATE(&mm->_flags, __mm_flags)); +} + +static inline bool mm_flags_test_and_clear(int flag, struct mm_struct *mm) +{ + return test_and_clear_bit(flag, ACCESS_PRIVATE(&mm->_flags, __mm_flags)); +} + +static inline void mm_flags_set(int flag, struct mm_struct *mm) +{ + set_bit(flag, ACCESS_PRIVATE(&mm->_flags, __mm_flags)); +} + +static inline void mm_flags_clear(int flag, struct mm_struct *mm) +{ + clear_bit(flag, ACCESS_PRIVATE(&mm->_flags, __mm_flags)); +} + +static inline void mm_flags_clear_all(struct mm_struct *mm) +{ + bitmap_zero(ACCESS_PRIVATE(&mm->_flags, __mm_flags), NUM_MM_FLAG_BITS); +} + extern const struct vm_operations_struct vma_dummy_vm_ops; static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm) |