[SPARC32]: Make flush_tlb_kernel_range() an inline function.

This avoids unused variable warnings in places like mm/vmalloc.c:

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

caused by it previously being a macro.
Signed-off-by: David S. Miller <davem@davemloft.net>

include/asm-sparc/tlbflush.h

@@ -57,6 +57,10 @@ BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long)
 /*
  * This is a kludge, until I know better. --zaitcev XXX
  */
-#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();
+}
 
 #endif /* _SPARC_TLBFLUSH_H */