1 files changed, 4 insertions, 7 deletions

diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index d030548047e2..0369f5b3ba1b 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -92,32 +92,29 @@ pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address,
 #endif
 
 #ifndef __HAVE_ARCH_PMDP_CLEAR_FLUSH
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
 pmd_t pmdp_clear_flush(struct vm_area_struct *vma, unsigned long address,
                        pmd_t *pmdp)
 {
         pmd_t pmd;
-#ifndef CONFIG_TRANSPARENT_HUGEPAGE
-        BUG();
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
         VM_BUG_ON(address & ~HPAGE_PMD_MASK);
         pmd = pmdp_get_and_clear(vma->vm_mm, address, pmdp);
         flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
         return pmd;
 }
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 #endif
 
 #ifndef __HAVE_ARCH_PMDP_SPLITTING_FLUSH
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
 pmd_t pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address,
                            pmd_t *pmdp)
 {
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
         pmd_t pmd = pmd_mksplitting(*pmdp);
         VM_BUG_ON(address & ~HPAGE_PMD_MASK);
         set_pmd_at(vma->vm_mm, address, pmdp, pmd);
         /* tlb flush only to serialize against gup-fast */
         flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
-#else /* CONFIG_TRANSPARENT_HUGEPAGE */
-        BUG();
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 }
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 #endif