From patchwork Thu Dec 17 03:43:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Muchun Song X-Patchwork-Id: 11979049 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 4DDC5C2BB9A for ; Thu, 17 Dec 2020 03:46:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 20F9B2371F for ; Thu, 17 Dec 2020 03:46:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728104AbgLQDq3 (ORCPT ); Wed, 16 Dec 2020 22:46:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50336 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727990AbgLQDq3 (ORCPT ); Wed, 16 Dec 2020 22:46:29 -0500 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83500C061282 for ; Wed, 16 Dec 2020 19:45:43 -0800 (PST) Received: by mail-pl1-x62c.google.com with SMTP id g20so13554954plo.2 for ; Wed, 16 Dec 2020 19:45:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=I8JqAljVYtmaPaBvHCRChrR0oheI9SrolUe2et8YFn8=; b=LFRZS+7DcgILx1b9ou9M96wmw6taZL3I+iRan+cCcipo6HVZ24/ujb+bZ41PZXuLCZ 1ReDBz6W6bu3NpG+2xk3pKfOFqrr9g2Qrb+uxz9T03e6UIzD/fN/FfVR0NBGQ5XLo0iW 92K9qsyjSKNMYvLIcXdcn4DmKQ6yGUXvZ65QwyV7KMh0r+dZcCC79wnl9nGlvvWbYfOn RsEhQDpDm1uB7/ugs30Y6r4YkQ5eTOqbqec+OmXWgHo8olU4a4utfAysCogecVHdUejg SBw8Ad8KH0AGA1ChhpBwqy5mYnB+rBtL8Da74sdNyCe6Hm4IgtSSQ7doCiueJfa1paez mfkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=I8JqAljVYtmaPaBvHCRChrR0oheI9SrolUe2et8YFn8=; b=YAW0TsSWrPbCt1apHdf/NIxmFDc0mcpED10wR4am5slR0B4BrRhfk+Ftz7UUrKiXl3 ygmk9AVB82De7VHWB0+yOV8FHxoDQFnFWjHVk2keI7laNyMoBt8rUTgCVbFhZlAj9k3z 7YBwJYsboEerfOHQRXq3nh6hG7IeweKHKdZ2LhAirY5JPO+lRHxZhmBBBkoNNGsFuDqR jQErq4PVCGaXjRyMCalLe9MALbdth4YOKnXpy2lcSIEMuDHPA7xS+BY1rszmkbBjLOcF xanygDjvhg4kaqmk+d3YgHr4WQAvY2jOjOT4nPtKtspR8txA/IUpUutkFy+9vr7eb/MF RboA== X-Gm-Message-State: AOAM533WPhgOAQRc/RF/NzuD06WLfbsyJqN3eq2SxMpMvHNVnVvx52UQ azX7MueCUMsA+1mX0FNSZLtHqQ== X-Google-Smtp-Source: ABdhPJw4NdNDKtIfv8xy6x6h9OgRGXasL/6YLMvw+2wPMLJxvSJx/uoemPCfa3HQ7YnKhTF68dvRxw== X-Received: by 2002:a17:90a:bc0a:: with SMTP id w10mr5877433pjr.79.1608176742627; Wed, 16 Dec 2020 19:45:42 -0800 (PST) Received: from localhost.localdomain ([139.177.225.237]) by smtp.gmail.com with ESMTPSA id b2sm3792412pfo.164.2020.12.16.19.45.35 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Dec 2020 19:45:41 -0800 (PST) From: Muchun Song To: gregkh@linuxfoundation.org, rafael@kernel.org, adobriyan@gmail.com, akpm@linux-foundation.org, hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, hughd@google.com, shakeelb@google.com, guro@fb.com, samitolvanen@google.com, feng.tang@intel.com, neilb@suse.de, iamjoonsoo.kim@lge.com, rdunlap@infradead.org Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, Muchun Song , Michal Hocko , Pankaj Gupta Subject: [PATCH v5 1/7] mm: memcontrol: fix NR_ANON_THPS accounting in charge moving Date: Thu, 17 Dec 2020 11:43:50 +0800 Message-Id: <20201217034356.4708-2-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) In-Reply-To: <20201217034356.4708-1-songmuchun@bytedance.com> References: <20201217034356.4708-1-songmuchun@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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 Acked-by: Michal Hocko Acked-by: Johannes Weiner Acked-by: Pankaj Gupta Reviewed-by: Roman Gushchin Reviewed-by: Shakeel Butt --- 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); } }