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authorYinghai Lu <yinghai@kernel.org>2009-01-06 14:39:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 15:59:00 -0800
commit5594c8c813d9e907ff55da7080d42653478b73e8 (patch)
treec10347380fa5e1358d9354ee7e8f3f24b0d18535
parentc04fc586c1a480ba198f03ae7b6cbd7b57380b91 (diff)
mm: print out memmap number only if it is not zero
Don't print the size of the zone's memmap array if it does not have one. Impact: cleanup Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/page_alloc.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d8ac0147456..2f644c3e3da 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3469,9 +3469,10 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
PAGE_ALIGN(size * sizeof(struct page)) >> PAGE_SHIFT;
if (realsize >= memmap_pages) {
realsize -= memmap_pages;
- printk(KERN_DEBUG
- " %s zone: %lu pages used for memmap\n",
- zone_names[j], memmap_pages);
+ if (memmap_pages)
+ printk(KERN_DEBUG
+ " %s zone: %lu pages used for memmap\n",
+ zone_names[j], memmap_pages);
} else
printk(KERN_WARNING
" %s zone: %lu pages exceeds realsize %lu\n",