[PATCH] i386: substitute __va lookup with pfn_to_kaddr

Substitutes allocate_pgdat virtual address lookup with pfn_to_kaddr macro.
Signed-off-by: NDavid Rientjes <rientjes@cs.washington.edu>
Signed-off-by: NAndi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>

arch/i386/mm/discontig.c

@@ -168,7 +168,7 @@ static void __init allocate_pgdat(int nid)
 	if (nid && node_has_online_mem(nid))
 		NODE_DATA(nid) = (pg_data_t *)node_remap_start_vaddr[nid];
 	else {
-		NODE_DATA(nid) = (pg_data_t *)(__va(min_low_pfn << PAGE_SHIFT));
+		NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(min_low_pfn));
 		min_low_pfn += PFN_UP(sizeof(pg_data_t));
 	}
 }