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authorSam Ravnborg <sam@ravnborg.org>2012-07-26 11:02:17 +0000
committerDavid S. Miller <davem@davemloft.net>2012-07-26 16:46:15 -0700
commit5bbeed12bdc3eaebe963cda2bf8039c37cbe2235 (patch)
treed88107f8253a064a104ef78b2ca592a614cb14ac
parent881e02d298451e1788669662e72ccfd69859dae5 (diff)
downloadblackbird-op-linux-5bbeed12bdc3eaebe963cda2bf8039c37cbe2235.tar.gz
blackbird-op-linux-5bbeed12bdc3eaebe963cda2bf8039c37cbe2235.zip
sparc32: drop unused kmap_atomic_to_page
No users left of this function - drop it. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/include/asm/highmem.h1
-rw-r--r--arch/sparc/mm/highmem.c18
2 files changed, 0 insertions, 19 deletions
diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h
index 3b6e00dd96e5..a31b2a1f0866 100644
--- a/arch/sparc/include/asm/highmem.h
+++ b/arch/sparc/include/asm/highmem.h
@@ -72,7 +72,6 @@ static inline void kunmap(struct page *page)
extern void *kmap_atomic(struct page *page);
extern void __kunmap_atomic(void *kvaddr);
-extern struct page *kmap_atomic_to_page(void *vaddr);
#define flush_cache_kmaps() flush_cache_all()
diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c
index 055c66cf1bf4..856432a109d2 100644
--- a/arch/sparc/mm/highmem.c
+++ b/arch/sparc/mm/highmem.c
@@ -110,21 +110,3 @@ void __kunmap_atomic(void *kvaddr)
pagefault_enable();
}
EXPORT_SYMBOL(__kunmap_atomic);
-
-/* We may be fed a pagetable here by ptep_to_xxx and others. */
-struct page *kmap_atomic_to_page(void *ptr)
-{
- unsigned long idx, vaddr = (unsigned long)ptr;
- pte_t *pte;
-
- if (vaddr < SRMMU_NOCACHE_VADDR)
- return virt_to_page(ptr);
- if (vaddr < PKMAP_BASE)
- return pfn_to_page(__nocache_pa(vaddr) >> PAGE_SHIFT);
- BUG_ON(vaddr < FIXADDR_START);
- BUG_ON(vaddr > FIXADDR_TOP);
-
- idx = virt_to_fix(vaddr);
- pte = kmap_pte - (idx - FIX_KMAP_BEGIN);
- return pte_page(*pte);
-}
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