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-rw-r--r--include/linux/mm.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index d3a3842316b8..68a5121694ef 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -452,6 +452,23 @@ struct vm_operations_struct {
unsigned long addr);
};
+static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm)
+{
+ static const struct vm_operations_struct dummy_vm_ops = {};
+
+ vma->vm_mm = mm;
+ vma->vm_ops = &dummy_vm_ops;
+ INIT_LIST_HEAD(&vma->anon_vma_chain);
+}
+
+static inline void vma_set_anonymous(struct vm_area_struct *vma)
+{
+ vma->vm_ops = NULL;
+}
+
+/* flush_tlb_range() takes a vma, not a mm, and can care about flags */
+#define TLB_FLUSH_VMA(mm,flags) { .vm_mm = (mm), .vm_flags = (flags) }
+
struct mmu_gather;
struct inode;