diff options
author | zhong jiang <zhongjiang@huawei.com> | 2017-11-30 12:12:23 +1100 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-12-01 10:39:36 +1100 |
commit | 6a9f9383f4542e3a82a0b5ecbc6e7b42fc5b320c (patch) | |
tree | 4d2b99ce026ee01004039a1350935a6046edbfc7 /mm | |
parent | e37e15d162f6cd32e52833189f7318098e80da79 (diff) |
mm/page_owner: align with pageblock_nr pages
When pfn_valid(pfn) returns false, pfn should be aligned with
pageblock_nr_pages other than MAX_ORDER_NR_PAGES in init_pages_in_zone,
because the skipped 2M may be valid pfn, as a result, early allocated
count will not be accurate.
Link: http://lkml.kernel.org/r/1468938136-24228-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'mm')
-rw-r--r-- | mm/page_owner.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_owner.c b/mm/page_owner.c index 5ab4f0a5ff4b..08e4e6e4cf3c 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -544,7 +544,7 @@ static void init_pages_in_zone(pg_data_t *pgdat, struct zone *zone) */ for (; pfn < end_pfn; ) { if (!pfn_valid(pfn)) { - pfn = ALIGN(pfn + 1, MAX_ORDER_NR_PAGES); + pfn = ALIGN(pfn + 1, pageblock_nr_pages); continue; } |