orangefs: have ->kill_sb() evict the VFS side of things first

[cascardo/linux.git] / fs / userfaultfd.c

diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 5031170..66cdb44 100644 (file)
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -286,6 +286,12 @@ int handle_userfault(struct vm_area_struct *vma, unsigned long address,
        if (unlikely(ACCESS_ONCE(ctx->released)))
                goto out;
 
+       /*
+        * We don't do userfault handling for the final child pid update.
+        */
+       if (current->flags & PF_EXITING)
+               goto out;
+
        /*
         * Check that we can return VM_FAULT_RETRY.
         *