linux-kernel - [PATCH 2/6] AVR32: Don't assume anything about MAX_NR

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Date:	Mon, 31 Jul 2006 15:55:56 +0200
From:	Haavard Skinnemoen <hskinnemoen@...el.com>
To:	akpm@...l.org
Cc:	linux-kernel@...r.kernel.org,
	Haavard Skinnemoen <hskinnemoen@...el.com>
Subject: [PATCH 2/6] AVR32: Don't assume anything about MAX_NR_ZONES

Zero out zones_size with memset() and initialize just the zones
we need. This should avoid breakage when zones come and go.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@...el.com>
---
 arch/avr32/mm/init.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 0cb82de..7bbbd7e 100644
--- a/arch/avr32/mm/init.c
+++ b/arch/avr32/mm/init.c
@@ -380,7 +380,7 @@ void __init paging_init(void)
 
 	for_each_online_node(nid) {
 		pg_data_t *pgdat = NODE_DATA(nid);
-		unsigned long zones_size[MAX_NR_ZONES] = { 0, 0, 0 };
+		unsigned long zones_size[MAX_NR_ZONES];
 		unsigned long low, start_pfn;
 
 		start_pfn = pgdat->bdata->node_boot_start;
@@ -388,8 +388,8 @@ void __init paging_init(void)
 		low = pgdat->bdata->node_low_pfn;
 
 		/* All memory is DMA-able */
+		memset(zones_size, 0, sizeof(zones_size));
 		zones_size[ZONE_DMA] = low - start_pfn;
-		zones_size[ZONE_NORMAL] = 0;
 
 		printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n",
 		       nid, start_pfn, low);
-- 
1.4.0

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