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-rw-r--r--arch/nds32/include/asm/highmem.h2
-rw-r--r--arch/nds32/mm/highmem.c12
2 files changed, 0 insertions, 14 deletions
diff --git a/arch/nds32/include/asm/highmem.h b/arch/nds32/include/asm/highmem.h
index b3a82c97ded3..b13654a79069 100644
--- a/arch/nds32/include/asm/highmem.h
+++ b/arch/nds32/include/asm/highmem.h
@@ -44,7 +44,6 @@ extern unsigned long highstart_pfn, highend_pfn;
extern pte_t *pkmap_page_table;
-extern void *kmap_high(struct page *page);
extern void kunmap_high(struct page *page);
extern void kmap_init(void);
@@ -54,7 +53,6 @@ extern void kmap_init(void);
* when CONFIG_HIGHMEM is not set.
*/
#ifdef CONFIG_HIGHMEM
-extern void *kmap(struct page *page);
extern void kunmap(struct page *page);
extern void *kmap_atomic(struct page *page);
extern void __kunmap_atomic(void *kvaddr);
diff --git a/arch/nds32/mm/highmem.c b/arch/nds32/mm/highmem.c
index 4c7c28e994ea..d0cde53b84ae 100644
--- a/arch/nds32/mm/highmem.c
+++ b/arch/nds32/mm/highmem.c
@@ -10,18 +10,6 @@
#include <asm/fixmap.h>
#include <asm/tlbflush.h>
-void *kmap(struct page *page)
-{
- unsigned long vaddr;
- might_sleep();
- if (!PageHighMem(page))
- return page_address(page);
- vaddr = (unsigned long)kmap_high(page);
- return (void *)vaddr;
-}
-
-EXPORT_SYMBOL(kmap);
-
void kunmap(struct page *page)
{
might_sleep();