From patchwork Mon Dec 13 16:53:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Muchun Song X-Patchwork-Id: 12674365 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EBE2FC433EF for ; Mon, 13 Dec 2021 16:58:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238043AbhLMQ64 (ORCPT ); Mon, 13 Dec 2021 11:58:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241314AbhLMQ44 (ORCPT ); Mon, 13 Dec 2021 11:56:56 -0500 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C64CC061756 for ; Mon, 13 Dec 2021 08:56:54 -0800 (PST) Received: by mail-pl1-x631.google.com with SMTP id n8so11599770plf.4 for ; Mon, 13 Dec 2021 08:56:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=m98RC8bY9ry625Z8i2nXVNyOqqfMLEW5ul5yLfq7Yzk=; b=hR6fGZqCqI8yFwwU5LToWe8M1UCp5xIdyt8/AVOUEJ/WBqoxOqIpJsNjjVEgdYI7jp PwVPRjbkz/8KsoV+eb6BeHYNBF6ZdUKrRFwh1uk+LiFLg7yubTp8nkoyzbCnrclWW28m 2ZY5czGQCEghFBQaUd4jvRpWoZlhdOmShL8OTDBnlp0TyrE1R9bEHqS9TlhoVRfL/pbd GyTQEhIU30vJpxh8f2vlBgAC9fvBHsQWyRjcfp6pHARd0jKlSMptuxtj0rwXaGpV5/OB 0omsd2/p1eEkMHfceqVmgwvKngpT8ObD87J/CEjplAzO5GuLhX1JlEvEhf59cOlq9uPf QPsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=m98RC8bY9ry625Z8i2nXVNyOqqfMLEW5ul5yLfq7Yzk=; b=nWe/2kQbl4SZ2+3O8wYmPtXx46JnIB1vAriLkWUtURg77JemMGrwiwT3erzhU/mSy9 BTd0T70fXId0rBSV2fJboYJCl72tsFk68eIf/rUA1LpcjZtMuDDvZDZpyCFdpjQ0sAJS hK4hsE6Q2cbeLtK3JM3Fyn4zm3oXqbOyjWVImtscIA1X5ayEwGVF2N24Sc3cNUzyBBTj fKf8fd3p5n/lONxwwY9lsHVR3ShRM9NsJEOJJinD71j5mE4eKdYcPzuADgIkvusjWuP/ QMWli6WgisggRCnLwhuAzbKxBcJe8FL+eCcREHJHf9Eizp9jkzOQH2b7iT+YK6OBNX18 s33w== X-Gm-Message-State: AOAM531RYUKo6X/4LtrV4UXDEN8oCmQ1WI/9C0AvcPZvJNSGGvIxXSvI aOL6QLtMd/yz28Rik3sKu9N0yw== X-Google-Smtp-Source: ABdhPJzqSJg9VWLkIG3uPnAi/6ZEdCkfsvwI9s4dHakptKaLRcr2lvcthKwpEtEYSIlgy7Onx7sgvg== X-Received: by 2002:a17:902:ee95:b0:141:f28f:7296 with SMTP id a21-20020a170902ee9500b00141f28f7296mr97113270pld.50.1639414613627; Mon, 13 Dec 2021 08:56:53 -0800 (PST) Received: from localhost.localdomain ([139.177.225.254]) by smtp.gmail.com with ESMTPSA id n11sm10430992pgp.15.2021.12.13.08.56.45 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Dec 2021 08:56:53 -0800 (PST) From: Muchun Song To: willy@infradead.org, akpm@linux-foundation.org, hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, shakeelb@google.com, guro@fb.com, shy828301@gmail.com, alexs@kernel.org, richard.weiyang@gmail.com, david@fromorbit.com, trond.myklebust@hammerspace.com, anna.schumaker@netapp.com, jaegeuk@kernel.org, chao@kernel.org, kari.argillander@gmail.com Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, zhengqi.arch@bytedance.com, duanxiongchun@bytedance.com, fam.zheng@bytedance.com, smuchun@gmail.com, Muchun Song Subject: [PATCH v4 17/17] mm: memcontrol: rename memcg_cache_id to memcg_kmem_id Date: Tue, 14 Dec 2021 00:53:42 +0800 Message-Id: <20211213165342.74704-18-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) In-Reply-To: <20211213165342.74704-1-songmuchun@bytedance.com> References: <20211213165342.74704-1-songmuchun@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org The memcg_cache_id() introduced by commit 2633d7a02823 ("slab/slub: consider a memcg parameter in kmem_create_cache") is used to index in the kmem_cache->memcg_params->memcg_caches array. Since kmem_cache->memcg_params.memcg_caches has been removed by commit 9855609bde03 ("mm: memcg/slab: use a single set of kmem_caches for all accounted allocations"). So the name does not need to reflect cache related. Just rename it to memcg_kmem_id. And it can reflect kmem related. Signed-off-by: Muchun Song --- include/linux/memcontrol.h | 4 ++-- mm/list_lru.c | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 7b472f805d77..94ed3a124191 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -1735,7 +1735,7 @@ static inline void memcg_kmem_uncharge_page(struct page *page, int order) * A helper for accessing memcg's kmem_id, used for getting * corresponding LRU lists. */ -static inline int memcg_cache_id(struct mem_cgroup *memcg) +static inline int memcg_kmem_id(struct mem_cgroup *memcg) { return memcg ? memcg->kmemcg_id : -1; } @@ -1773,7 +1773,7 @@ static inline bool memcg_kmem_enabled(void) return false; } -static inline int memcg_cache_id(struct mem_cgroup *memcg) +static inline int memcg_kmem_id(struct mem_cgroup *memcg) { return -1; } diff --git a/mm/list_lru.c b/mm/list_lru.c index 589146fd3770..9c0682ed9dda 100644 --- a/mm/list_lru.c +++ b/mm/list_lru.c @@ -74,7 +74,7 @@ list_lru_from_kmem(struct list_lru *lru, int nid, void *ptr, if (!memcg) goto out; - l = list_lru_from_memcg_idx(lru, nid, memcg_cache_id(memcg)); + l = list_lru_from_memcg_idx(lru, nid, memcg_kmem_id(memcg)); out: if (memcg_ptr) *memcg_ptr = memcg; @@ -181,7 +181,7 @@ unsigned long list_lru_count_one(struct list_lru *lru, long count; rcu_read_lock(); - l = list_lru_from_memcg_idx(lru, nid, memcg_cache_id(memcg)); + l = list_lru_from_memcg_idx(lru, nid, memcg_kmem_id(memcg)); count = l ? READ_ONCE(l->nr_items) : 0; rcu_read_unlock(); @@ -272,7 +272,7 @@ list_lru_walk_one(struct list_lru *lru, int nid, struct mem_cgroup *memcg, unsigned long ret; spin_lock(&nlru->lock); - ret = __list_lru_walk_one(lru, nid, memcg_cache_id(memcg), isolate, + ret = __list_lru_walk_one(lru, nid, memcg_kmem_id(memcg), isolate, cb_arg, nr_to_walk); spin_unlock(&nlru->lock); return ret; @@ -288,7 +288,7 @@ list_lru_walk_one_irq(struct list_lru *lru, int nid, struct mem_cgroup *memcg, unsigned long ret; spin_lock_irq(&nlru->lock); - ret = __list_lru_walk_one(lru, nid, memcg_cache_id(memcg), isolate, + ret = __list_lru_walk_one(lru, nid, memcg_kmem_id(memcg), isolate, cb_arg, nr_to_walk); spin_unlock_irq(&nlru->lock); return ret;