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=-16.7 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=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 797F4C43460 for ; Fri, 16 Apr 2021 05:15:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 56EF3610FB for ; Fri, 16 Apr 2021 05:15:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238597AbhDPFQT (ORCPT ); Fri, 16 Apr 2021 01:16:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238593AbhDPFQR (ORCPT ); Fri, 16 Apr 2021 01:16:17 -0400 Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3D87C061574 for ; Thu, 15 Apr 2021 22:15:53 -0700 (PDT) Received: by mail-pf1-x433.google.com with SMTP id i190so17574775pfc.12 for ; Thu, 15 Apr 2021 22:15:53 -0700 (PDT) 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=CUAxTMYGPKcXUKklEvyCvysOG+ZnpjCi0FGjCzotqSU=; b=sKTfHmqSsWDRGf9SVi9pCO6Hmse+SZHM+tv3/GJl2rgPhf5LhsNUzYPF8GIbtfPjmi RLQSfJGWAZtFFG5WKBMO/UEP4u+7lJ86fcGy3qMcMBQRs16QYPNN4osVE2B7q3wPm3IM 6k/5JyFHsfTjzDmOAZ2WZ21L69Y6as0JcteWUeVjQxAJsR7i3UC4Bj6clihPikjYzYdB MkpMLzKj7ZirphY+yFO6Wt5BcH6ICOyYy2mJsVMItKl0chzciFMZA+B16wt9PEMImgIe 0mu9QbgV/a2EWzTQvbMRBfNglm3uT3KAt50tf3sstmbeqzHvrmzQeC+1dNyS4ySuO74L kJLA== 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=CUAxTMYGPKcXUKklEvyCvysOG+ZnpjCi0FGjCzotqSU=; b=euFrNMLaLIlMQ7EgkYPxuATEVD/zl43+rrcOmPIGyWJJNHtJOonwJNlqd7PAvM+krK W1TW+FNDR5+VTWkENnFqdHEEHAHV9Xqv55HCErAGM8LTJzw4ptUT6IqKwk6y9YzoD70R ALpnkH5Jf8sG0JaQxDqrjsHVQrKBuhnsnu0uzjjPpm5s1NquUNF6jYuReLvskBfnD4XR rHRHwE/F9kQq1pzv28TUiPzhR+x0mP1skSZWLk38EbsnQM5Jy17VtRtfJqOnwWXd4uGD 5uSbKFMfluYworHph6fGiZi0ct4cwrb5pdIoxkGRpbgL5XyhZHBqEwF97dFIACVmKFIc N8AA== X-Gm-Message-State: AOAM531R5fIj/X9mNBfgRLKKROWocHHGdS6UjwB/WHYEpXIXfViqqQl2 LwUNm18QkIky6cLi7Pc6+LSLUQ== X-Google-Smtp-Source: ABdhPJylZLX97P+G2iOwpp72wGJA5EJe8joOYASW+03d0LyiRtMtN0GtaCcX9czglyk4+IJR8Rxong== X-Received: by 2002:a62:6883:0:b029:220:4426:449c with SMTP id d125-20020a6268830000b02902204426449cmr6160037pfc.14.1618550153443; Thu, 15 Apr 2021 22:15:53 -0700 (PDT) Received: from localhost.localdomain ([139.177.225.235]) by smtp.gmail.com with ESMTPSA id j7sm3518540pfd.129.2021.04.15.22.15.49 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Apr 2021 22:15:53 -0700 (PDT) From: Muchun Song To: guro@fb.com, hannes@cmpxchg.org, mhocko@kernel.org, akpm@linux-foundation.org, shakeelb@google.com, vdavydov.dev@gmail.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, duanxiongchun@bytedance.com, Muchun Song , Michal Hocko Subject: [PATCH v2 3/8] mm: memcontrol: remove the pgdata parameter of mem_cgroup_page_lruvec Date: Fri, 16 Apr 2021 13:14:02 +0800 Message-Id: <20210416051407.54878-4-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) In-Reply-To: <20210416051407.54878-1-songmuchun@bytedance.com> References: <20210416051407.54878-1-songmuchun@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org All the callers of mem_cgroup_page_lruvec() just pass page_pgdat(page) as the 2nd parameter to it (except isolate_migratepages_block()). But for isolate_migratepages_block(), the page_pgdat(page) is also equal to the local variable of @pgdat. So mem_cgroup_page_lruvec() do not need the pgdat parameter. Just remove it to simplify the code. Signed-off-by: Muchun Song Acked-by: Johannes Weiner Reviewed-by: Shakeel Butt Acked-by: Roman Gushchin Acked-by: Michal Hocko --- include/linux/memcontrol.h | 10 +++++----- mm/compaction.c | 2 +- mm/memcontrol.c | 9 +++------ mm/swap.c | 2 +- mm/workingset.c | 2 +- 5 files changed, 11 insertions(+), 14 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index c193be760709..f2a5aaba3577 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -743,13 +743,12 @@ static inline struct lruvec *mem_cgroup_lruvec(struct mem_cgroup *memcg, /** * mem_cgroup_page_lruvec - return lruvec for isolating/putting an LRU page * @page: the page - * @pgdat: pgdat of the page * * This function relies on page->mem_cgroup being stable. */ -static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page, - struct pglist_data *pgdat) +static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page) { + pg_data_t *pgdat = page_pgdat(page); struct mem_cgroup *memcg = page_memcg(page); VM_WARN_ON_ONCE_PAGE(!memcg && !mem_cgroup_disabled(), page); @@ -1221,9 +1220,10 @@ static inline struct lruvec *mem_cgroup_lruvec(struct mem_cgroup *memcg, return &pgdat->__lruvec; } -static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page, - struct pglist_data *pgdat) +static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page) { + pg_data_t *pgdat = page_pgdat(page); + return &pgdat->__lruvec; } diff --git a/mm/compaction.c b/mm/compaction.c index 8c5028bfbd56..1c500e697c88 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -994,7 +994,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, if (!TestClearPageLRU(page)) goto isolate_fail_put; - lruvec = mem_cgroup_page_lruvec(page, pgdat); + lruvec = mem_cgroup_page_lruvec(page); /* If we already hold the lock, we can skip some rechecking */ if (lruvec != locked) { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 50e3cf1e263e..caf193088beb 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1181,9 +1181,8 @@ void lruvec_memcg_debug(struct lruvec *lruvec, struct page *page) struct lruvec *lock_page_lruvec(struct page *page) { struct lruvec *lruvec; - struct pglist_data *pgdat = page_pgdat(page); - lruvec = mem_cgroup_page_lruvec(page, pgdat); + lruvec = mem_cgroup_page_lruvec(page); spin_lock(&lruvec->lru_lock); lruvec_memcg_debug(lruvec, page); @@ -1194,9 +1193,8 @@ struct lruvec *lock_page_lruvec(struct page *page) struct lruvec *lock_page_lruvec_irq(struct page *page) { struct lruvec *lruvec; - struct pglist_data *pgdat = page_pgdat(page); - lruvec = mem_cgroup_page_lruvec(page, pgdat); + lruvec = mem_cgroup_page_lruvec(page); spin_lock_irq(&lruvec->lru_lock); lruvec_memcg_debug(lruvec, page); @@ -1207,9 +1205,8 @@ struct lruvec *lock_page_lruvec_irq(struct page *page) struct lruvec *lock_page_lruvec_irqsave(struct page *page, unsigned long *flags) { struct lruvec *lruvec; - struct pglist_data *pgdat = page_pgdat(page); - lruvec = mem_cgroup_page_lruvec(page, pgdat); + lruvec = mem_cgroup_page_lruvec(page); spin_lock_irqsave(&lruvec->lru_lock, *flags); lruvec_memcg_debug(lruvec, page); diff --git a/mm/swap.c b/mm/swap.c index a75a8265302b..e0d5699213cc 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -313,7 +313,7 @@ void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages) void lru_note_cost_page(struct page *page) { - lru_note_cost(mem_cgroup_page_lruvec(page, page_pgdat(page)), + lru_note_cost(mem_cgroup_page_lruvec(page), page_is_file_lru(page), thp_nr_pages(page)); } diff --git a/mm/workingset.c b/mm/workingset.c index b7cdeca5a76d..4f7a306ce75a 100644 --- a/mm/workingset.c +++ b/mm/workingset.c @@ -408,7 +408,7 @@ void workingset_activation(struct page *page) memcg = page_memcg_rcu(page); if (!mem_cgroup_disabled() && !memcg) goto out; - lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page)); + lruvec = mem_cgroup_page_lruvec(page); workingset_age_nonresident(lruvec, thp_nr_pages(page)); out: rcu_read_unlock(); -- 2.11.0