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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@jp.fujitsu.com> 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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