From ac42f4eeecdf1281441007c6155f2f514297dc53 Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Thu, 14 Apr 2022 12:16:49 -0700 Subject: [PATCH] fixup! mm/uffd: PTE_MARKER_UFFD_WP Link: https://lkml.kernel.org/r/YkzKiM8tI4+qOfXF@xz-m1.local Signed-off-by: Peter Xu Signed-off-by: Andrew Morton --- 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 4d7e0c89889f..e17a53c20b91 100644 --- a/include/linux/userfaultfd_k.h +++ b/include/linux/userfaultfd_k.h @@ -239,8 +239,12 @@ static inline void userfaultfd_unmap_complete(struct mm_struct *mm, 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) -- 2.50.1