diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index 25e0b84a4296acd78c19e30fb031a6c194d7d12d..5da2980bb16b99cb699de486bf72a1a522081022 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -256,7 +256,7 @@ static vm_fault_t dev_dax_fault(struct vm_fault *vmf)
 	return dev_dax_huge_fault(vmf, PE_SIZE_PTE);
 }
 
-static int dev_dax_split(struct vm_area_struct *vma, unsigned long addr)
+static int dev_dax_may_split(struct vm_area_struct *vma, unsigned long addr)
 {
 	struct file *filp = vma->vm_file;
 	struct dev_dax *dev_dax = filp->private_data;
@@ -277,7 +277,7 @@ static unsigned long dev_dax_pagesize(struct vm_area_struct *vma)
 static const struct vm_operations_struct dax_vm_ops = {
 	.fault = dev_dax_fault,
 	.huge_fault = dev_dax_huge_fault,
-	.split = dev_dax_split,
+	.may_split = dev_dax_may_split,
 	.pagesize = dev_dax_pagesize,
 };
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index dacc889744b1ba216f01300b04e289655017e624..5d188b8611dc6ae9b1814b1cc64c18b553e96908 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -557,7 +557,8 @@ enum page_entry_size {
 struct vm_operations_struct {
 	void (*open)(struct vm_area_struct * area);
 	void (*close)(struct vm_area_struct * area);
-	int (*split)(struct vm_area_struct * area, unsigned long addr);
+	/* Called any time before splitting to check if it's allowed */
+	int (*may_split)(struct vm_area_struct *area, unsigned long addr);
 	int (*mremap)(struct vm_area_struct *area, unsigned long flags);
 	vm_fault_t (*fault)(struct vm_fault *vmf);
 	vm_fault_t (*huge_fault)(struct vm_fault *vmf,
diff --git a/ipc/shm.c b/ipc/shm.c
index e25c7c6106bcf79ee9dc18ecc133d3531ef2aecb..febd88daba8c688dc58486a6ced8baebde74a8e9 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -434,13 +434,13 @@ static vm_fault_t shm_fault(struct vm_fault *vmf)
 	return sfd->vm_ops->fault(vmf);
 }
 
-static int shm_split(struct vm_area_struct *vma, unsigned long addr)
+static int shm_may_split(struct vm_area_struct *vma, unsigned long addr)
 {
 	struct file *file = vma->vm_file;
 	struct shm_file_data *sfd = shm_file_data(file);
 
-	if (sfd->vm_ops->split)
-		return sfd->vm_ops->split(vma, addr);
+	if (sfd->vm_ops->may_split)
+		return sfd->vm_ops->may_split(vma, addr);
 
 	return 0;
 }
@@ -582,7 +582,7 @@ static const struct vm_operations_struct shm_vm_ops = {
 	.open	= shm_open,	/* callback for a new vm-area open */
 	.close	= shm_close,	/* callback for when the vm-area is released */
 	.fault	= shm_fault,
-	.split	= shm_split,
+	.may_split = shm_may_split,
 	.pagesize = shm_pagesize,
 #if defined(CONFIG_NUMA)
 	.set_policy = shm_set_policy,
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index d029d938d26d668972b9463b783a6c090fabc76e..4b809cc7a3fdaf747d7b086eecefdf523cd39964 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3673,7 +3673,7 @@ const struct vm_operations_struct hugetlb_vm_ops = {
 	.fault = hugetlb_vm_op_fault,
 	.open = hugetlb_vm_op_open,
 	.close = hugetlb_vm_op_close,
-	.split = hugetlb_vm_op_split,
+	.may_split = hugetlb_vm_op_split,
 	.pagesize = hugetlb_vm_op_pagesize,
 };
 
diff --git a/mm/mmap.c b/mm/mmap.c
index 8950c20239a001caafc8659aac3fed04a7c5378f..886de799e7d2362924e8bb9179c50b184bb45b71 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2731,8 +2731,8 @@ int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
 	struct vm_area_struct *new;
 	int err;
 
-	if (vma->vm_ops && vma->vm_ops->split) {
-		err = vma->vm_ops->split(vma, addr);
+	if (vma->vm_ops && vma->vm_ops->may_split) {
+		err = vma->vm_ops->may_split(vma, addr);
 		if (err)
 			return err;
 	}