[PATCH] appldata build fix

PGALLOC_DMA is defined only if we have CONFIG_ZONE_DMA

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/s390/appldata/appldata_mem.c

@@ -117,7 +117,10 @@ static void appldata_get_mem_data(void *data)
 	mem_data->pgpgout    = ev[PGPGOUT] >> 1;
 	mem_data->pswpin     = ev[PSWPIN];
 	mem_data->pswpout    = ev[PSWPOUT];
-	mem_data->pgalloc    = ev[PGALLOC_NORMAL] + ev[PGALLOC_DMA];
+	mem_data->pgalloc    = ev[PGALLOC_NORMAL];
+#ifdef CONFIG_ZONE_DMA
+	mem_data->pgalloc    += ev[PGALLOC_DMA];
+#endif
 	mem_data->pgfault    = ev[PGFAULT];
 	mem_data->pgmajfault = ev[PGMAJFAULT];