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-rw-r--r--arch/csky/include/asm/highmem.h3
-rw-r--r--arch/csky/mm/highmem.c9
2 files changed, 0 insertions, 12 deletions
diff --git a/arch/csky/include/asm/highmem.h b/arch/csky/include/asm/highmem.h
index 9d0516e38110..be11c5b67122 100644
--- a/arch/csky/include/asm/highmem.h
+++ b/arch/csky/include/asm/highmem.h
@@ -30,11 +30,8 @@ extern pte_t *pkmap_page_table;
#define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT)
#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT))
-extern void kunmap_high(struct page *page);
-
#define ARCH_HAS_KMAP_FLUSH_TLB
extern void kmap_flush_tlb(unsigned long addr);
-extern void kunmap(struct page *page);
extern void *kmap_atomic(struct page *page);
extern void __kunmap_atomic(void *kvaddr);
extern void *kmap_atomic_pfn(unsigned long pfn);
diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c
index 4a3c273bc8b9..e9952211264b 100644
--- a/arch/csky/mm/highmem.c
+++ b/arch/csky/mm/highmem.c
@@ -21,15 +21,6 @@ EXPORT_SYMBOL(kmap_flush_tlb);
EXPORT_SYMBOL(kmap);
-void kunmap(struct page *page)
-{
- might_sleep();
- if (!PageHighMem(page))
- return;
- kunmap_high(page);
-}
-EXPORT_SYMBOL(kunmap);
-
void *kmap_atomic(struct page *page)
{
unsigned long vaddr;