From: Peter Xu <peterx@redhat.com>
Subject: fixup! mm: Teach core mm about pte markers

userfaultfd.c needs swapops.h

Link: https://lkml.kernel.org/r/YmRlVj3cdizYJsr0@xz-m1.local
Signed-off-by: Peter Xu <peterx@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/userfaultfd.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/userfaultfd.c~mm-teach-core-mm-about-pte-markers-fix
+++ a/fs/userfaultfd.c
@@ -29,6 +29,7 @@
 #include <linux/ioctl.h>
 #include <linux/security.h>
 #include <linux/hugetlb.h>
+#include <linux/swapops.h>
 
 int sysctl_unprivileged_userfaultfd __read_mostly;
 
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