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-rw-r--r--fs/userfaultfd.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index f62199b90fd0..16d0cc600fa9 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -775,34 +775,6 @@ void userfaultfd_unmap_complete(struct mm_struct *mm, struct list_head *uf)
}
}
-void userfaultfd_exit(struct mm_struct *mm)
-{
- struct vm_area_struct *vma = mm->mmap;
-
- /*
- * We can do the vma walk without locking because the caller
- * (exit_mm) knows it now has exclusive access
- */
- while (vma) {
- struct userfaultfd_ctx *ctx = vma->vm_userfaultfd_ctx.ctx;
-
- if (ctx && (ctx->features & UFFD_FEATURE_EVENT_EXIT)) {
- struct userfaultfd_wait_queue ewq;
-
- userfaultfd_ctx_get(ctx);
-
- msg_init(&ewq.msg);
- ewq.msg.event = UFFD_EVENT_EXIT;
-
- userfaultfd_event_wait_completion(ctx, &ewq);
-
- ctx->features &= ~UFFD_FEATURE_EVENT_EXIT;
- }
-
- vma = vma->vm_next;
- }
-}
-
static int userfaultfd_release(struct inode *inode, struct file *file)
{
struct userfaultfd_ctx *ctx = file->private_data;