[2.6.13-mm2] i386-sparsemem-compile-with-DMA32

[KAMEZAWA Hiroyuki]

Because 2.6.13-mm2  adds new zone DMA32, ZONES_SHIFT becomes 3.
So, flags bits reserved for (SECTION | NODE | ZONE) should be increase.

-- Kame
==
ZONE_SHIFT is increased, FLAGS_RESERVED should be.

Signed-off-by Kamezawa Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

Index: linux-2.6.13-mm2/include/linux/mmzone.h
===================================================================
--- linux-2.6.13-mm2.orig/include/linux/mmzone.h
+++ linux-2.6.13-mm2/include/linux/mmzone.h
@@ -458,10 +458,11 @@ extern struct pglist_data contig_page_da
 #if BITS_PER_LONG == 32 || defined(ARCH_HAS_ATOMIC_UNSIGNED)
 /*
  * with 32 bit page->flags field, we reserve 8 bits for node/zone info.
- * there are 3 zones (2 bits) and this leaves 8-2=6 bits for nodes.
+ * there are 4 zones (3 bits) and this leaves 8-2=6 bits for nodes.
+ * +6bits for sections if CONFIG_SPARSEMEM
  */

-#define FLAGS_RESERVED		8
+#define FLAGS_RESERVED		9

 #elif BITS_PER_LONG == 64
 /*

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/