include/linux/poison.h: remove not-used poison pointer macros

[firefly-linux-kernel-4.4.55.git] / include / linux / userfaultfd_k.h

diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index e1e43609a179a3f425b2f8d70d86d7b348816e22..587480ad41b7b10c8dc9e71d921665ffddfb2c39 100644 (file)
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -30,6 +30,12 @@
 extern int handle_userfault(struct vm_area_struct *vma, unsigned long address,
                            unsigned int flags, unsigned long reason);
 
+extern ssize_t mcopy_atomic(struct mm_struct *dst_mm, unsigned long dst_start,
+                           unsigned long src_start, unsigned long len);
+extern ssize_t mfill_zeropage(struct mm_struct *dst_mm,
+                             unsigned long dst_start,
+                             unsigned long len);
+
 /* mm helpers */
 static inline bool is_mergeable_vm_userfaultfd_ctx(struct vm_area_struct *vma,
                                        struct vm_userfaultfd_ctx vm_ctx)