From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 621CBECE58F for ; Tue, 15 Oct 2019 08:10:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 24F84217F9 for ; Tue, 15 Oct 2019 08:10:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yandex-team.ru header.i=@yandex-team.ru header.b="0zJyKpG7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24F84217F9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yandex-team.ru Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B32778E0006; Tue, 15 Oct 2019 04:10:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B09CE8E0001; Tue, 15 Oct 2019 04:10:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A20608E0006; Tue, 15 Oct 2019 04:10:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0240.hostedemail.com [216.40.44.240]) by kanga.kvack.org (Postfix) with ESMTP id 81CA68E0001 for ; Tue, 15 Oct 2019 04:10:05 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id 23F8A181AEF3C for ; Tue, 15 Oct 2019 08:10:05 +0000 (UTC) X-FDA: 76045295970.18.thumb97_a08c45c1736 X-HE-Tag: thumb97_a08c45c1736 X-Filterd-Recvd-Size: 4213 Received: from forwardcorp1o.mail.yandex.net (forwardcorp1o.mail.yandex.net [95.108.205.193]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Tue, 15 Oct 2019 08:10:04 +0000 (UTC) Received: from mxbackcorp1g.mail.yandex.net (mxbackcorp1g.mail.yandex.net [IPv6:2a02:6b8:0:1402::301]) by forwardcorp1o.mail.yandex.net (Yandex) with ESMTP id C88662E129A; Tue, 15 Oct 2019 11:09:59 +0300 (MSK) Received: from iva4-c987840161f8.qloud-c.yandex.net (iva4-c987840161f8.qloud-c.yandex.net [2a02:6b8:c0c:3da5:0:640:c987:8401]) by mxbackcorp1g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id nfkXVoMT4l-9xq84ZVX; Tue, 15 Oct 2019 11:09:59 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1571126999; bh=uBM99g9Ux3Kxexvrq/r6f01uJx9JtYqNm8Mfn0xVlC8=; h=Message-ID:Date:To:From:Subject:Cc; b=0zJyKpG7DWT6yZkKFLtLlBCDanDEvWtoPV22gBVytDfdFHCGcDN3cNYokg3xrx23a yV8iYJy6AziG4UYARUNuT4xWygPrhyB4XnTvju8yRj7eTLGBh/BrKL4wgr485tWZK/ B1IZEXSXS1tFGgk3Jhtgz1t5/D9VbJfk5tJKB1mc= Authentication-Results: mxbackcorp1g.mail.yandex.net; dkim=pass header.i=@yandex-team.ru Received: from dynamic-red.dhcp.yndx.net (dynamic-red.dhcp.yndx.net [2a02:6b8:0:40c:3d4d:a9cb:ef29:4bb1]) by iva4-c987840161f8.qloud-c.yandex.net (nwsmtp/Yandex) with ESMTPSA id xXgS5w1Urj-9xNiLTXE; Tue, 15 Oct 2019 11:09:59 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) Subject: [PATCH] mm/memcontrol: update lruvec counters in mem_cgroup_move_account From: Konstantin Khlebnikov To: linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org Cc: cgroups@vger.kernel.org, Michal Hocko , Vladimir Davydov , Johannes Weiner Date: Tue, 15 Oct 2019 11:09:59 +0300 Message-ID: <157112699975.7360.1062614888388489788.stgit@buzz> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Mapped, dirty and writeback pages are also counted in per-lruvec stats. These counters needs update when page is moved between cgroups. Fixes: 00f3ca2c2d66 ("mm: memcontrol: per-lruvec stats infrastructure") Signed-off-by: Konstantin Khlebnikov --- mm/memcontrol.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index bdac56009a38..363106578876 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5420,6 +5420,8 @@ static int mem_cgroup_move_account(struct page *page, struct mem_cgroup *from, struct mem_cgroup *to) { + struct lruvec *from_vec, *to_vec; + struct pglist_data *pgdat; unsigned long flags; unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1; int ret; @@ -5443,11 +5445,15 @@ static int mem_cgroup_move_account(struct page *page, anon = PageAnon(page); + pgdat = page_pgdat(page); + from_vec = mem_cgroup_lruvec(pgdat, from); + to_vec = mem_cgroup_lruvec(pgdat, to); + spin_lock_irqsave(&from->move_lock, flags); if (!anon && page_mapped(page)) { - __mod_memcg_state(from, NR_FILE_MAPPED, -nr_pages); - __mod_memcg_state(to, NR_FILE_MAPPED, nr_pages); + __mod_lruvec_state(from_vec, NR_FILE_MAPPED, -nr_pages); + __mod_lruvec_state(to_vec, NR_FILE_MAPPED, nr_pages); } /* @@ -5459,14 +5465,14 @@ static int mem_cgroup_move_account(struct page *page, struct address_space *mapping = page_mapping(page); if (mapping_cap_account_dirty(mapping)) { - __mod_memcg_state(from, NR_FILE_DIRTY, -nr_pages); - __mod_memcg_state(to, NR_FILE_DIRTY, nr_pages); + __mod_lruvec_state(from_vec, NR_FILE_DIRTY, -nr_pages); + __mod_lruvec_state(to_vec, NR_FILE_DIRTY, nr_pages); } } if (PageWriteback(page)) { - __mod_memcg_state(from, NR_WRITEBACK, -nr_pages); - __mod_memcg_state(to, NR_WRITEBACK, nr_pages); + __mod_lruvec_state(from_vec, NR_WRITEBACK, -nr_pages); + __mod_lruvec_state(to_vec, NR_WRITEBACK, nr_pages); } #ifdef CONFIG_TRANSPARENT_HUGEPAGE