The patch titled
mm: print out memmap number only if it is not zero
has been added to the -mm tree. Its filename is
mm-print-out-memmap-number-only-it-is-not-zero.patch
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See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm: print out memmap number only if it is not zero
From: Yinghai Lu <yinghai@xxxxxxxxxx>
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@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff -puN mm/page_alloc.c~mm-print-out-memmap-number-only-it-is-not-zero mm/page_alloc.c
--- a/mm/page_alloc.c~mm-print-out-memmap-number-only-it-is-not-zero
+++ a/mm/page_alloc.c
@@ -3469,9 +3469,10 @@ static void __paginginit free_area_init_
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",
_
Patches currently in -mm which might be from yinghai@xxxxxxxxxx are
acpi-use-macro-to-replace-hard-number.patch
mm-print-out-memmap-number-only-it-is-not-zero.patch
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