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-rw-r--r--arch/arm/mm/highmem.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 45aeaaca9052..e17ed00828d7 100644
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -127,8 +127,11 @@ void *kmap_atomic_pfn(unsigned long pfn)
127{ 127{
128 unsigned long vaddr; 128 unsigned long vaddr;
129 int idx, type; 129 int idx, type;
130 struct page *page = pfn_to_page(pfn);
130 131
131 pagefault_disable(); 132 pagefault_disable();
133 if (!PageHighMem(page))
134 return page_address(page);
132 135
133 type = kmap_atomic_idx_push(); 136 type = kmap_atomic_idx_push();
134 idx = type + KM_TYPE_NR * smp_processor_id(); 137 idx = type + KM_TYPE_NR * smp_processor_id();