diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index ed8b5ff..6e97630 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -216,6 +216,22 @@ static inline bool is_cow_mapping(vm_flags_t flags) return (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; } +static inline bool is_exec_mapping(vm_flags_t flags) +{ + return (flags & (VM_EXEC | VM_WRITE)) == VM_EXEC; +} + +static inline bool is_stack_mapping(vm_flags_t flags) +{ + return (flags & (VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN))) != 0; +} + +static inline bool is_data_mapping(vm_flags_t flags) +{ + return (flags & ((VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN)) | + VM_WRITE | VM_SHARED)) == VM_WRITE; +} + /* mm/util.c */ void __vma_link_list(struct mm_struct *mm, struct vm_area_struct *vma, struct vm_area_struct *prev, struct rb_node *rb_parent); |
