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Date: Sun, 6 Dec 2020 18:14:40 +0800 From: Muchun Song <songmuchun@...edance.com> To: gregkh@...uxfoundation.org, rafael@...nel.org, adobriyan@...il.com, akpm@...ux-foundation.org, hannes@...xchg.org, mhocko@...nel.org, vdavydov.dev@...il.com, hughd@...gle.com, will@...nel.org, guro@...com, rppt@...nel.org, tglx@...utronix.de, esyr@...hat.com, peterx@...hat.com, krisman@...labora.com, surenb@...gle.com, avagin@...nvz.org, elver@...gle.com, rdunlap@...radead.org, iamjoonsoo.kim@....com Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, cgroups@...r.kernel.org, Muchun Song <songmuchun@...edance.com> Subject: [RESEND PATCH v2 01/12] mm: memcontrol: fix NR_ANON_THPS account The unit of NR_ANON_THPS is HPAGE_PMD_NR already. So it should inc/dec by one rather than nr_pages. Fixes: 468c398233da ("mm: memcontrol: switch to native NR_ANON_THPS counter") Signed-off-by: Muchun Song <songmuchun@...edance.com> --- mm/memcontrol.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 22d9bd688d6d..695dedf8687a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5634,10 +5634,8 @@ static int mem_cgroup_move_account(struct page *page, __mod_lruvec_state(from_vec, NR_ANON_MAPPED, -nr_pages); __mod_lruvec_state(to_vec, NR_ANON_MAPPED, nr_pages); if (PageTransHuge(page)) { - __mod_lruvec_state(from_vec, NR_ANON_THPS, - -nr_pages); - __mod_lruvec_state(to_vec, NR_ANON_THPS, - nr_pages); + __dec_lruvec_state(from_vec, NR_ANON_THPS); + __inc_lruvec_state(to_vec, NR_ANON_THPS); } } -- 2.11.0
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