follow_page_mask is only used in gup.c, make it static. Tested by compiling and booting. Grepped the source for "follow_page_mask" to be sure it is not used else where. Signed-off-by: Bharath Vedartham <linux.bhar@xxxxxxxxx> --- mm/gup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index 91819b8..e6f3b7f 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -409,7 +409,7 @@ static struct page *follow_p4d_mask(struct vm_area_struct *vma, * an error pointer if there is a mapping to something not represented * by a page descriptor (see also vm_normal_page()). */ -struct page *follow_page_mask(struct vm_area_struct *vma, +static struct page *follow_page_mask(struct vm_area_struct *vma, unsigned long address, unsigned int flags, struct follow_page_context *ctx) { -- 2.7.4