When a page is freed and put into pcp list, get_freepage_migratetype()
doesn't return MIGRATE_ISOLATE even if this pageblock is isolated.
So we should use get_pageblock_migratetype() instead of mt to check
whether it is isolated.
Cc: David Rientjes <rient...@google.com>
Cc: Jiang Liu <liu...@gmail.com>
Cc: Len Brown <len.br...@intel.com>
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Christoph Lameter <c...@linux.com>
Cc: Minchan Kim <minchan....@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motoh...@jp.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasu...@jp.fujitsu.com>
Cc: Dave Hansen <d...@linux.vnet.ibm.com>
Cc: Mel Gorman <m...@csn.ul.ie>
Cc: Jianguo Wu <wujian...@huawei.com>
Signed-off-by: Wen Congyang <we...@cn.fujitsu.com>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 027afd0..e9c19d2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -667,7 +667,7 @@ static void free_pcppages_bulk(struct zone *zone, int count,
/* MIGRATE_MOVABLE list may include MIGRATE_RESERVEs */
__free_one_page(page, zone, 0, mt);
trace_mm_page_pcpu_drain(page, 0, mt);
- if (likely(mt != MIGRATE_ISOLATE)) {
+ if (likely(mt != get_pageblock_migratetype(page))) {
__mod_zone_page_state(zone, NR_FREE_PAGES, 1);
if (is_migrate_cma(mt))
__mod_zone_page_state(zone,
NR_FREE_CMA_PAGES, 1);
--
1.8.0
--
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