The only definition of vmf_insert_pfn_pud depends on CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD being defined. Then its declaration in include/linux/huge_mm.h should have the same restriction so that we do not expose this function if CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD is not defined.
Signed-off-by: Alexandre Ghiti <[email protected]> --- include/linux/huge_mm.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index a8a1262..11794f6a 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -48,8 +48,10 @@ extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, int prot_numa); int vmf_insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, pfn_t pfn, bool write); +#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD int vmf_insert_pfn_pud(struct vm_area_struct *vma, unsigned long addr, pud_t *pud, pfn_t pfn, bool write); +#endif enum transparent_hugepage_flag { TRANSPARENT_HUGEPAGE_FLAG, TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG, -- 2.1.4
