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-rw-r--r--include/linux/mm.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 31540f166987..7ba6d356d18f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -454,10 +454,18 @@ struct vm_operations_struct {
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;
+}
+
struct mmu_gather;
struct inode;