Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
include/linux/userfaultfd_k.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index ea11bed9bb7e..732b522bacb7 100644
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -277,8 +277,12 @@ static inline bool uffd_disable_fault_around(struct vm_area_struct *vma)
static inline bool pte_marker_entry_uffd_wp(swp_entry_t entry)
{
+#ifdef CONFIG_PTE_MARKER_UFFD_WP
return is_pte_marker_entry(entry) &&
(pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
+#else
+ return false;
+#endif
}
static inline bool pte_marker_uffd_wp(pte_t pte)
--
2.32.0
--3ob9n8+f6vq4lAWQ--
