466 static bool vma_lock_alloc(struct vm_area_struct *vma)  in vma_lock_alloc()  argument
468 	vma->vm_lock = kmem_cache_alloc(vma_lock_cachep, GFP_KERNEL);  in vma_lock_alloc()
469 	if (!vma->vm_lock)  in vma_lock_alloc()
472 	init_rwsem(&vma->vm_lock->lock);  in vma_lock_alloc()
473 	vma->vm_lock_seq = -1;  in vma_lock_alloc()
478 static inline void vma_lock_free(struct vm_area_struct *vma)  in vma_lock_free()  argument
480 	kmem_cache_free(vma_lock_cachep, vma->vm_lock);  in vma_lock_free()
485 static inline bool vma_lock_alloc(struct vm_area_struct *vma) { return true; }  in vma_lock_alloc()  argument
486 static inline void vma_lock_free(struct vm_area_struct *vma) {}  in vma_lock_free()  argument
492 	struct vm_area_struct *vma;  in vm_area_alloc()  local
494 	vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);  in vm_area_alloc()
495 	if (!vma)  in vm_area_alloc()
498 	vma_init(vma, mm);  in vm_area_alloc()
499 	if (!vma_lock_alloc(vma)) {  in vm_area_alloc()
500 		kmem_cache_free(vm_area_cachep, vma);  in vm_area_alloc()
504 	return vma;  in vm_area_alloc()
531 void __vm_area_free(struct vm_area_struct *vma)  in __vm_area_free()  argument
533 	free_anon_vma_name(vma);  in __vm_area_free()
534 	vma_lock_free(vma);  in __vm_area_free()
535 	kmem_cache_free(vm_area_cachep, vma);  in __vm_area_free()
541 	struct vm_area_struct *vma = container_of(head, struct vm_area_struct,  in vm_area_free_rcu_cb()  local
545 	VM_BUG_ON_VMA(rwsem_is_locked(&vma->vm_lock->lock), vma);  in vm_area_free_rcu_cb()
546 	__vm_area_free(vma);  in vm_area_free_rcu_cb()
550 void vm_area_free(struct vm_area_struct *vma)  in vm_area_free()  argument
553 	call_rcu(&vma->vm_rcu, vm_area_free_rcu_cb);  in vm_area_free()
555 	__vm_area_free(vma);  in vm_area_free()
1395 	struct vm_area_struct *vma;  in replace_mm_exe_file()  local
1404 		for_each_vma(vmi, vma) {  in replace_mm_exe_file()
1405 			if (!vma->vm_file)  in replace_mm_exe_file()
1407 			if (path_equal(&vma->vm_file->f_path,  in replace_mm_exe_file()