From 5bbeed12bdc3eaebe963cda2bf8039c37cbe2235 Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <sam@ravnborg.org>
Date: Thu, 26 Jul 2012 11:02:17 +0000
Subject: [PATCH] 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>
---
arch/sparc/include/asm/highmem.h | 1 -
arch/sparc/mm/highmem.c | 18 ------------------
2 files changed, 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);
-}
--
2.34.1