From patchwork Tue Mar 28 06:16:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yosry Ahmed X-Patchwork-Id: 13190545 X-Patchwork-Delegate: kuba@kernel.org 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 25ABAC76196 for ; Tue, 28 Mar 2023 06:17:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232499AbjC1GRF (ORCPT ); Tue, 28 Mar 2023 02:17:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232456AbjC1GRC (ORCPT ); Tue, 28 Mar 2023 02:17:02 -0400 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EC8F30ED for ; Mon, 27 Mar 2023 23:16:46 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id z14-20020a170903018e00b001a1a2bee58dso7050565plg.3 for ; Mon, 27 Mar 2023 23:16:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1679984205; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=wKfUWPDFjTfCFAmAu+PDSXoVaLfaEZa4F2xpA6M98WI=; b=ML25Z5sJR8k5t8kSQzNLjGMjEKmdcebxHFtYwKZcrTLZX2wK0gMrUstJ28IAfa/l/B dmJfAqHqeUNGDMqpjHMcUn/3rl6ZtTwoLtJc4kM6PKx7oTSnQD1aK8fu6wcMuvNpddNP JXz/aPGcRNjn7CdP1wNYEAXnpd0Uj2w+rzBilII9bcn8vsNoKap2/emH97XB9yYmQX0j zWlTQgN/LRjTLn7LSTnUMs5Zi8YiSMdP4rhUt8H9KINdPVTgc9z/VX9FnrviFmsMUsqK yY+aBb6I7/+gAXbDQAsJSzcOoGzk7Nj4yOSGJy0Va4z4/Vp/gmfRCs4LrcZySZjB+aj0 I08g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679984205; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=wKfUWPDFjTfCFAmAu+PDSXoVaLfaEZa4F2xpA6M98WI=; b=Ic5zQSiAOEMugLFvHwVyqafUCT1MARYTYeKyX/1Ozn/F4TTfPe4vvZvtj02QZ1hrNK EoLVzPkJvD5MkRfi+bTCLJ6YQSaK2iRa6Rc4agRd85aa5aK2JZyO0ZtC2Pje7agrT07n GhalJkf8JC0JZz7vWHUI3KYPyGS5OjyV1CmeM02lUqlS+AvvccFg0j0gGxsaA/SB3K6f bpmCPVzuPXvbpsjY5tetoYuNwJoN+PJRvNheoTzEhD2QzqpJGZm+udosEUbEGOZfLGex u53tJXmjcz8WVY7i9L1jzng2+n1FdtfeJO9XDkZTTmtHM4geHGf8kD7r1DSmak15N4n2 fhCQ== X-Gm-Message-State: AAQBX9fvhZWFTDMe3INyKlTXgGAp53oK6Ob9Qz0u1WIgyn42aToabmbU w5jQjmkyoyu8peX0gDGAiHbHWFCP+va9uSc7 X-Google-Smtp-Source: AKy350Z/+j+6P1wMetl7E14Y1prBzO4hFyvwBGRqSlF4uLs1fV1I04aur9Q5rKjp70R1U9RxRmWGSymD4DlPFw5z X-Received: from yosry.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:2327]) (user=yosryahmed job=sendgmr) by 2002:a17:902:7088:b0:19a:5953:e85c with SMTP id z8-20020a170902708800b0019a5953e85cmr5289230plk.1.1679984205498; Mon, 27 Mar 2023 23:16:45 -0700 (PDT) Date: Tue, 28 Mar 2023 06:16:31 +0000 In-Reply-To: <20230328061638.203420-1-yosryahmed@google.com> Mime-Version: 1.0 References: <20230328061638.203420-1-yosryahmed@google.com> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230328061638.203420-3-yosryahmed@google.com> Subject: [PATCH v1 2/9] memcg: rename mem_cgroup_flush_stats_"delayed" to "ratelimited" From: Yosry Ahmed To: Tejun Heo , Josef Bacik , Jens Axboe , Zefan Li , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , Andrew Morton , " =?utf-8?q?Michal_Koutn=C3=BD?= " Cc: Vasily Averin , cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, bpf@vger.kernel.org, Yosry Ahmed Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org mem_cgroup_flush_stats_delayed() suggests his is using a delayed_work, but this is actually sometimes flushing directly from the callsite. What it's doing is ratelimited calls. A better name would be mem_cgroup_flush_stats_ratelimited(). Suggested-by: Johannes Weiner Signed-off-by: Yosry Ahmed Acked-by: Shakeel Butt Acked-by: Johannes Weiner --- include/linux/memcontrol.h | 4 ++-- mm/memcontrol.c | 2 +- mm/workingset.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index b6eda2ab205d..ac3f3b3a45e2 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -1037,7 +1037,7 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, } void mem_cgroup_flush_stats(void); -void mem_cgroup_flush_stats_delayed(void); +void mem_cgroup_flush_stats_ratelimited(void); void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, int val); @@ -1535,7 +1535,7 @@ static inline void mem_cgroup_flush_stats(void) { } -static inline void mem_cgroup_flush_stats_delayed(void) +static inline void mem_cgroup_flush_stats_ratelimited(void) { } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 0205e58ea430..c3b6aae78901 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -653,7 +653,7 @@ void mem_cgroup_flush_stats(void) __mem_cgroup_flush_stats(); } -void mem_cgroup_flush_stats_delayed(void) +void mem_cgroup_flush_stats_ratelimited(void) { if (time_after64(jiffies_64, flush_next_time)) mem_cgroup_flush_stats(); diff --git a/mm/workingset.c b/mm/workingset.c index 00c6f4d9d9be..af862c6738c3 100644 --- a/mm/workingset.c +++ b/mm/workingset.c @@ -462,7 +462,7 @@ void workingset_refault(struct folio *folio, void *shadow) mod_lruvec_state(lruvec, WORKINGSET_REFAULT_BASE + file, nr); - mem_cgroup_flush_stats_delayed(); + mem_cgroup_flush_stats_ratelimited(); /* * Compare the distance to the existing workingset size. We * don't activate pages that couldn't stay resident even if