[PATCH] mm: use correct format specifiers when printing address ranges

From: Juergen Gross
Date: Thu Jan 08 2015 - 10:43:12 EST


Especially on 32 bit kernels memory node ranges are printed with
32 bit wide addresses only. Use u64 types and %llx specifiers to
print full width of addresses.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
mm/page_alloc.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7633c50..4bbe4da 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5059,8 +5059,8 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size,
pgdat->node_start_pfn = node_start_pfn;
#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
- printk(KERN_INFO "Initmem setup node %d [mem %#010Lx-%#010Lx]\n", nid,
- (u64) start_pfn << PAGE_SHIFT, (u64) (end_pfn << PAGE_SHIFT) - 1);
+ pr_info("Initmem setup node %d [mem %#018Lx-%#018Lx]\n", nid,
+ (u64)start_pfn << PAGE_SHIFT, ((u64)end_pfn << PAGE_SHIFT) - 1);
#endif
calculate_node_totalpages(pgdat, start_pfn, end_pfn,
zones_size, zholes_size);
@@ -5432,9 +5432,10 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn)
arch_zone_highest_possible_pfn[i])
pr_cont("empty\n");
else
- pr_cont("[mem %0#10lx-%0#10lx]\n",
- arch_zone_lowest_possible_pfn[i] << PAGE_SHIFT,
- (arch_zone_highest_possible_pfn[i]
+ pr_cont("[mem %#018Lx-%#018Lx]\n",
+ (u64)arch_zone_lowest_possible_pfn[i]
+ << PAGE_SHIFT,
+ ((u64)arch_zone_highest_possible_pfn[i]
<< PAGE_SHIFT) - 1);
}

@@ -5442,15 +5443,16 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn)
pr_info("Movable zone start for each node\n");
for (i = 0; i < MAX_NUMNODES; i++) {
if (zone_movable_pfn[i])
- pr_info(" Node %d: %#010lx\n", i,
- zone_movable_pfn[i] << PAGE_SHIFT);
+ pr_info(" Node %d: %#018Lx\n", i,
+ (u64)zone_movable_pfn[i] << PAGE_SHIFT);
}

/* Print out the early node map */
pr_info("Early memory node ranges\n");
for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid)
- pr_info(" node %3d: [mem %#010lx-%#010lx]\n", nid,
- start_pfn << PAGE_SHIFT, (end_pfn << PAGE_SHIFT) - 1);
+ pr_info(" node %3d: [mem %#018Lx-%#018Lx]\n", nid,
+ (u64)start_pfn << PAGE_SHIFT,
+ ((u64)end_pfn << PAGE_SHIFT) - 1);

/* Initialise every node */
mminit_verify_pageflags_layout();
--
2.1.2

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