sh: Kill off unused flush_icache_user_range().

We use flush_cache_page() outright in copy_to_user_page(), and nothing
else needs it, so just kill it off. SH-5 still defines its own version,
but that too will go away in the same fashion once it converts over.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 1 insertions, 15 deletions

diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 4466787a52aa..b5860535e61f 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -401,20 +401,6 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
 	}
 }
 
-/*
- * flush_icache_user_range
- * @vma: VMA of the process
- * @page: page
- * @addr: U0 address
- * @len: length of the range (< page size)
- */
-void flush_icache_user_range(struct vm_area_struct *vma,
-			     struct page *page, unsigned long addr, int len)
-{
-	flush_cache_page(vma, addr, page_to_pfn(page));
-	mb();
-}
-
 /**
  * __flush_cache_4096
  *
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 576cad04b11b..a50d23caf015 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -655,7 +655,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
  * range following a poke into the program text through the ptrace() call
  * from another process (e.g. for BRK instruction insertion).
  */
-void flush_icache_user_range(struct vm_area_struct *vma,
+static void flush_icache_user_range(struct vm_area_struct *vma,
 			struct page *page, unsigned long addr, int len)
 {