lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 8 Dec 2020 12:18:41 +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, shakeelb@...gle.com, guro@...com, samitolvanen@...gle.com, feng.tang@...el.com, neilb@...e.de, iamjoonsoo.kim@....com, rdunlap@...radead.org Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, cgroups@...r.kernel.org, Muchun Song <songmuchun@...edance.com>, Michal Hocko <mhocko@...e.com> Subject: [PATCH v3 1/7] 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> Acked-by: Michal Hocko <mhocko@...e.com> --- mm/memcontrol.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index b80328f52fb4..8818bf64d6fe 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5653,10 +5653,8 @@ 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
Powered by blists - more mailing lists