diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index b6ac6caeb662..e5e07212126d 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -599,7 +599,6 @@ static int __kprobes do_page_fault(unsigned long far, unsigned long esr,
 
 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, addr);
 
-#ifdef CONFIG_PER_VMA_LOCK
 	if (!(mm_flags & FAULT_FLAG_USER))
 		goto lock_mmap;
 
@@ -628,7 +627,6 @@ static int __kprobes do_page_fault(unsigned long far, unsigned long esr,
 		return 0;
 	}
 lock_mmap:
-#endif /* CONFIG_PER_VMA_LOCK */
 
 retry:
 	vma = lock_mm_and_find_vma(mm, addr, regs);
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 82954d0e6906..b1723094d464 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -469,7 +469,6 @@ static int ___do_page_fault(struct pt_regs *regs, unsigned long address,
 	if (is_exec)
 		flags |= FAULT_FLAG_INSTRUCTION;
 
-#ifdef CONFIG_PER_VMA_LOCK
 	if (!(flags & FAULT_FLAG_USER))
 		goto lock_mmap;
 
@@ -502,7 +501,6 @@ static int ___do_page_fault(struct pt_regs *regs, unsigned long address,
 		return user_mode(regs) ? 0 : SIGBUS;
 
 lock_mmap:
-#endif /* CONFIG_PER_VMA_LOCK */
 
 	/* When running in the kernel we expect faults to occur only to
 	 * addresses in user space.  All other faults represent errors in the
@@ -552,9 +550,7 @@ retry:
 
 	mmap_read_unlock(current->mm);
 
-#ifdef CONFIG_PER_VMA_LOCK
 done:
-#endif
 	if (unlikely(fault & VM_FAULT_ERROR))
 		return mm_fault_error(regs, address, fault);
 
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 88b70983bfb7..34a44febae86 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -289,7 +289,6 @@ asmlinkage void do_page_fault(struct pt_regs *regs)
 		flags |= FAULT_FLAG_WRITE;
 	else if (cause == EXC_INST_PAGE_FAULT)
 		flags |= FAULT_FLAG_INSTRUCTION;
-#ifdef CONFIG_PER_VMA_LOCK
 	if (!(flags & FAULT_FLAG_USER))
 		goto lock_mmap;
 
@@ -318,7 +317,6 @@ asmlinkage void do_page_fault(struct pt_regs *regs)
 		return;
 	}
 lock_mmap:
-#endif /* CONFIG_PER_VMA_LOCK */
 
 retry:
 	vma = lock_mm_and_find_vma(mm, addr, regs);
@@ -372,9 +370,7 @@ retry:
 
 	mmap_read_unlock(mm);
 
-#ifdef CONFIG_PER_VMA_LOCK
 done:
-#endif
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		tsk->thread.bad_cause = cause;
 		mm_fault_error(regs, addr, fault);
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 4e1f2790e6ff..0843adb266d1 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -403,7 +403,6 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access)
 		access = VM_WRITE;
 	if (access == VM_WRITE)
 		flags |= FAULT_FLAG_WRITE;
-#ifdef CONFIG_PER_VMA_LOCK
 	if (!(flags & FAULT_FLAG_USER))
 		goto lock_mmap;
 	vma = lock_vma_under_rcu(mm, address);
@@ -427,7 +426,6 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access)
 		goto out;
 	}
 lock_mmap:
-#endif /* CONFIG_PER_VMA_LOCK */
 	mmap_read_lock(mm);
 
 	gmap = NULL;
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 72044a9342d0..97599581ec6b 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -1349,7 +1349,6 @@ void do_user_addr_fault(struct pt_regs *regs,
 	}
 #endif
 
-#ifdef CONFIG_PER_VMA_LOCK
 	if (!(flags & FAULT_FLAG_USER))
 		goto lock_mmap;
 
@@ -1380,7 +1379,6 @@ void do_user_addr_fault(struct pt_regs *regs,
 		return;
 	}
 lock_mmap:
-#endif /* CONFIG_PER_VMA_LOCK */
 
 retry:
 	vma = lock_mm_and_find_vma(mm, address, regs);
@@ -1440,9 +1438,7 @@ retry:
 	}
 
 	mmap_read_unlock(mm);
-#ifdef CONFIG_PER_VMA_LOCK
 done:
-#endif
 	if (likely(!(fault & VM_FAULT_ERROR)))
 		return;
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index b2b3990aa1f6..8c1bfae77799 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -788,6 +788,12 @@ static inline void assert_fault_locked(struct vm_fault *vmf)
 	mmap_assert_locked(vmf->vma->vm_mm);
 }
 
+static inline struct vm_area_struct *lock_vma_under_rcu(struct mm_struct *mm,
+		unsigned long address)
+{
+	return NULL;
+}
+
 #endif /* CONFIG_PER_VMA_LOCK */
 
 /*