1 files changed, 2 insertions, 9 deletions

diff --git a/mm/memory.c b/mm/memory.c
index 305537fc8640..52c218e2b724 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1222,15 +1222,8 @@ static inline unsigned long zap_pmd_range(struct mmu_gather *tlb,
                 next = pmd_addr_end(addr, end);
                 if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd)) {
                         if (next - addr != HPAGE_PMD_SIZE) {
-#ifdef CONFIG_DEBUG_VM
-                                if (!rwsem_is_locked(&tlb->mm->mmap_sem)) {
-                                        pr_err("%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\n",
-                                                __func__, addr, end,
-                                                vma->vm_start,
-                                                vma->vm_end);
-                                        BUG();
-                                }
-#endif
+                                VM_BUG_ON_VMA(vma_is_anonymous(vma) &&
+                                    !rwsem_is_locked(&tlb->mm->mmap_sem), vma);
                                 split_huge_pmd(vma, pmd, addr);
                         } else if (zap_huge_pmd(tlb, vma, pmd, addr))
                                 goto next;