[SPARC64]: Kill pgtable quicklists and use SLAB.

Taking a nod from the powerpc port.

With the per-cpu caching of both the page allocator and SLAB, the
pgtable quicklist scheme becomes relatively silly and primitive.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h
index 45a9a2c..f7c0fae 100644
--- a/include/asm-sparc64/cpudata.h
+++ b/include/asm-sparc64/cpudata.h
@@ -17,14 +17,7 @@
 	unsigned long	clock_tick;	/* %tick's per second */
 	unsigned long	udelay_val;
 
-	/* Dcache line 2 */
-	unsigned int	pgcache_size;
-	unsigned int	__pad1;
-	unsigned long	*pte_cache;
-	unsigned long	*pgd_cache;
-	unsigned long	__pad2;
-
-	/* Dcache line 3, rarely used */
+	/* Dcache line 2, rarely used */
 	unsigned int	dcache_size;
 	unsigned int	dcache_line_size;
 	unsigned int	icache_size;