kmap_atomic: make kunmap_atomic() harder to misuse

[firefly-linux-kernel-4.4.55.git] / arch / arm / mm / highmem.c

diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 6ab244062b4ab2f720e84d870011faac64878c81..1fbdb55bfd1bd34a480ea0e45b7f3a39a2934c6a 100644 (file)
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -82,7 +82,7 @@ void *kmap_atomic(struct page *page, enum km_type type)
 }
 EXPORT_SYMBOL(kmap_atomic);
 
-void kunmap_atomic(void *kvaddr, enum km_type type)
+void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type)
 {
        unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
        unsigned int idx = type + KM_TYPE_NR * smp_processor_id();
@@ -103,7 +103,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type)
        }
        pagefault_enable();
 }
-EXPORT_SYMBOL(kunmap_atomic);
+EXPORT_SYMBOL(kunmap_atomic_notypecheck);
 
 void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)
 {