The patch titled
Subject: mm/vmstat.c: walk the zone in pageblock_nr_pages steps
has been added to the -mm tree. Its filename is
mm-walk-the-zone-in-pageblock_nr_pages-steps.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-walk-the-zone-in-pageblock_nr_pages-steps.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-walk-the-zone-in-pageblock_nr_pages-steps.patch
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------------------------------------------------------
From: zhong jiang <zhongjiang@xxxxxxxxxx>
Subject: mm/vmstat.c: walk the zone in pageblock_nr_pages steps
when walking the zone, we can happens to the holes. we should not
align MAX_ORDER_NR_PAGES, so it can skip the normal memory.
In addition, pagetypeinfo_showmixedcount_print reflect fragmentization.
we hope to get more accurate data. therefore, I decide to fix it.
Link: http://lkml.kernel.org/r/1469502526-24486-2-git-send-email-zhongjiang@xxxxxxxxxx
Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmstat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/vmstat.c~mm-walk-the-zone-in-pageblock_nr_pages-steps mm/vmstat.c
--- a/mm/vmstat.c~mm-walk-the-zone-in-pageblock_nr_pages-steps
+++ a/mm/vmstat.c
@@ -1277,7 +1277,7 @@ static void pagetypeinfo_showmixedcount_
*/
for (; pfn < end_pfn; ) {
if (!pfn_valid(pfn)) {
- pfn = ALIGN(pfn + 1, MAX_ORDER_NR_PAGES);
+ pfn = ALIGN(pfn + 1, pageblock_nr_pages);
continue;
}
_
Patches currently in -mm which might be from zhongjiang@xxxxxxxxxx are
mm-hugetlb-fix-race-when-migrate-pages.patch
mm-update-the-comment-in-__isolate_free_page.patch
mm-page_owner-align-with-pageblock_nr-pages.patch
mm-walk-the-zone-in-pageblock_nr_pages-steps.patch
kexec-add-resriction-on-the-kexec_load.patch
kexec-add-resriction-on-the-kexec_load-update.patch
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