diff options
author | zhong jiang <zhongjiang@huawei.com> | 2018-08-22 07:04:49 +0000 |
---|---|---|
committer | Johannes Weiner <hannes@cmpxchg.org> | 2018-08-22 07:04:49 +0000 |
commit | 37eb6f70cea2a2356797a50c52d6b2aa5757e2fc (patch) | |
tree | dd1a6a567096f5b5848466136cc980fa0881b13e /mm | |
parent | a4cf037e605373dc51d828f2cf7a96263ef2546f (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>
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 73db22c8bccf..c2494f034d02 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -541,7 +541,7 @@ static void init_pages_in_zone(pg_data_t *pgdat, struct zone *zone) unsigned long block_end_pfn; if (!pfn_valid(pfn)) { - pfn = ALIGN(pfn + 1, MAX_ORDER_NR_PAGES); + pfn = ALIGN(pfn + 1, pageblock_nr_pages); continue; } |