From: Andrew Morton <akpm@linux-foundation.org>

Prevent stuff like this:

mm/vmalloc.c: In function 'unmap_kernel_range':
mm/vmalloc.c:75: warning: unused variable 'start'

Cc: Andi Kleen <ak@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/asm-i386/tlbflush.h |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff -puN include/asm-i386/tlbflush.h~i386-flush_tlb_kernel_range-add-reference-to-the-arguments include/asm-i386/tlbflush.h
--- a/include/asm-i386/tlbflush.h~i386-flush_tlb_kernel_range-add-reference-to-the-arguments
+++ a/include/asm-i386/tlbflush.h
@@ -160,7 +160,11 @@ DECLARE_PER_CPU(struct tlb_state, cpu_tl
 	native_flush_tlb_others(&mask, mm, va)
 #endif
 
-#define flush_tlb_kernel_range(start, end) flush_tlb_all()
+static inline void flush_tlb_kernel_range(unsigned long start,
+					unsigned long end)
+{
+	flush_tlb_all();
+}
 
 static inline void flush_tlb_pgtables(struct mm_struct *mm,
 				      unsigned long start, unsigned long end)
_