--- zzzz-none-000/linux-3.10.107/arch/frv/mm/highmem.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/frv/mm/highmem.c	2021-02-04 17:41:59.000000000 +0000
@@ -32,16 +32,12 @@
 
 EXPORT_SYMBOL(kunmap);
 
-struct page *kmap_atomic_to_page(void *ptr)
-{
-	return virt_to_page(ptr);
-}
-
 void *kmap_atomic(struct page *page)
 {
 	unsigned long paddr;
 	int type;
 
+	preempt_disable();
 	pagefault_disable();
 	type = kmap_atomic_idx_push();
 	paddr = page_to_phys(page);
@@ -85,5 +81,6 @@
 	}
 	kmap_atomic_idx_pop();
 	pagefault_enable();
+	preempt_enable();
 }
 EXPORT_SYMBOL(__kunmap_atomic);