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-rw-r--r--arch/csky/include/asm/highmem.h1
-rw-r--r--arch/csky/mm/highmem.c13
-rw-r--r--arch/nds32/include/asm/highmem.h1
3 files changed, 0 insertions, 15 deletions
diff --git a/arch/csky/include/asm/highmem.h b/arch/csky/include/asm/highmem.h
index 263fbddcd0a3..ea2f3f39174d 100644
--- a/arch/csky/include/asm/highmem.h
+++ b/arch/csky/include/asm/highmem.h
@@ -33,7 +33,6 @@ extern pte_t *pkmap_page_table;
#define ARCH_HAS_KMAP_FLUSH_TLB
extern void kmap_flush_tlb(unsigned long addr);
extern void *kmap_atomic_pfn(unsigned long pfn);
-extern struct page *kmap_atomic_to_page(void *ptr);
#define flush_cache_kmaps() do {} while (0)
diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c
index 3ae5c8cd7619..3b3f622f5ae9 100644
--- a/arch/csky/mm/highmem.c
+++ b/arch/csky/mm/highmem.c
@@ -81,19 +81,6 @@ void *kmap_atomic_pfn(unsigned long pfn)
return (void *) vaddr;
}
-struct page *kmap_atomic_to_page(void *ptr)
-{
- unsigned long idx, vaddr = (unsigned long)ptr;
- pte_t *pte;
-
- if (vaddr < FIXADDR_START)
- return virt_to_page(ptr);
-
- idx = virt_to_fix(vaddr);
- pte = kmap_pte - (idx - FIX_KMAP_BEGIN);
- return pte_page(*pte);
-}
-
static void __init kmap_pages_init(void)
{
unsigned long vaddr;
diff --git a/arch/nds32/include/asm/highmem.h b/arch/nds32/include/asm/highmem.h
index 4d21308549c9..a48a6536d41a 100644
--- a/arch/nds32/include/asm/highmem.h
+++ b/arch/nds32/include/asm/highmem.h
@@ -52,7 +52,6 @@ extern void kmap_init(void);
*/
#ifdef CONFIG_HIGHMEM
extern void *kmap_atomic_pfn(unsigned long pfn);
-extern struct page *kmap_atomic_to_page(void *ptr);
#endif
#endif