The extern definition of __split_vma() was removed too early. Re-add it and remove it once the users are all converted. Reported-by: SeongJae Park <sj@xxxxxxxxxx> Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> --- include/linux/mm.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 9c790c88f691..14e3698fcbe7 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2840,6 +2840,8 @@ extern struct vm_area_struct *vmi_vma_merge(struct vma_iterator *vmi, struct file *, pgoff_t, struct mempolicy *, struct vm_userfaultfd_ctx, struct anon_vma_name *); extern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *); +extern int __split_vma(struct mm_struct *, struct vm_area_struct *, + unsigned long addr, int new_below); extern int vmi__split_vma(struct vma_iterator *vmi, struct mm_struct *, struct vm_area_struct *, unsigned long addr, int new_below); extern int split_vma(struct mm_struct *, struct vm_area_struct *, -- 2.35.1
