[SPARC64]: Kill all external references to sp_banks[]

Thus, we can mark sp_banks[] static in arch/sparc64/mm/init.c

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 82273c8..8c6dfc6c 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -342,6 +342,7 @@
 extern pmd_t swapper_low_pmd_dir[2048];
 
 extern void paging_init(void);
+extern unsigned long find_ecache_flush_span(unsigned long size);
 
 /* These do nothing with the way I have things setup. */
 #define mmu_lockarea(vaddr, len)		(vaddr)