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| author | Yinghai Lu <yinghai@kernel.org> | 2009-01-06 14:39:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:00 -0800 |
| commit | 5594c8c813d9e907ff55da7080d42653478b73e8 (patch) | |
| tree | c10347380fa5e1358d9354ee7e8f3f24b0d18535 | |
| parent | c04fc586c1a480ba198f03ae7b6cbd7b57380b91 (diff) | |
| download | op-kernel-dev-5594c8c813d9e907ff55da7080d42653478b73e8.zip op-kernel-dev-5594c8c813d9e907ff55da7080d42653478b73e8.tar.gz | |
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.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d8ac014..2f644c3 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", |
