From nobody Tue Feb 10 05:10:48 2026 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 2FB44C77B6F for ; Thu, 30 Mar 2023 19:18:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229590AbjC3TSO (ORCPT ); Thu, 30 Mar 2023 15:18:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232042AbjC3TSI (ORCPT ); Thu, 30 Mar 2023 15:18:08 -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 DDAA5EB52 for ; Thu, 30 Mar 2023 12:18:07 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id n15-20020a170902f60f00b001a273a4a685so3198465plg.15 for ; Thu, 30 Mar 2023 12:18:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1680203887; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=LXlZsArwPDY7OuU2BxzeoXG1UXSoglEAfUQ5EzzMXG4=; b=QmYQM+j13cdbjBiZy3Y+dzkJUgGOVHTdr9lvDbSE859fYaJtq+8zmH02RDaKbdpvap CqejHKuoW/4IBz5mIHOf6Y8AHa6GMb/hCZ7zMABh1AePaLkgpcjAyzU7xGg8rQCDHyuT xd/GhSCAHuv9H/zwirCUR2wyGX+B6mkWwB9WVRwD19bK9qyHzg7+GCXy42vkNiRXXZdr kN4hOyhVE2VLeXDBEBRHB8fSA0RE0BkgU+jq32E4Jq+3xIhGwrpX/kGZ92PdxYBPFxyB 8OgXFYA1yB1rgGnRYxUqB9CL2/ZWFsevIT5f1UxupCOTzAHu4BNZEW/BqlkhNKD16qxi CoQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680203887; 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=LXlZsArwPDY7OuU2BxzeoXG1UXSoglEAfUQ5EzzMXG4=; b=qvTi/aMtpKB6w2CpMin1BuoekJqIsfvRt1hUhLEkBy8Gj+ykRmaamt2vRStS1G3sSP S2v5Z32CL42p+uKEnfxbbqegA4AT7f1imV5WPj57/QJEMfTcnsD6nSJMXyptWkndOYAM HdjxR8Jf9tmnZKQ75poPq6F1+y9wXNeVSp2Gv4Ivc0jFerl8o4MHXOcMUFbrbbgGDvqR +og+K/aFJaRUpc6DBiR4DVlbP6T6XPhEgq3aqTo5CFz/Husr13Ru3zl6Ab1bWfYTrNwy CzMsVieyjHjJsRiZ88wSJtlcdwt/9HKgNEjUjQC/IEMGMEEwcKUFTkhfdgedGbtWwih1 iM2g== X-Gm-Message-State: AAQBX9fOfEGT+KHmVtFWyZOC1cxdfK6yMO8foq13BRQn5lN8mDaH7MJg ams6FKOAM/YFQ4bVuYCJZguCnpUukmDHp1/O X-Google-Smtp-Source: AKy350acDpkb2oKWRJtDPrvhJr6G7w3aWGLRFehCl/mgbnA6nqxhni7pGTt+2Eb5S7HVMulqi96jSmdvt00VgGJt X-Received: from yosry.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:2327]) (user=yosryahmed job=sendgmr) by 2002:a17:90a:ec11:b0:237:9cbe:22ad with SMTP id l17-20020a17090aec1100b002379cbe22admr7641616pjy.5.1680203887352; Thu, 30 Mar 2023 12:18:07 -0700 (PDT) Date: Thu, 30 Mar 2023 19:17:55 +0000 In-Reply-To: <20230330191801.1967435-1-yosryahmed@google.com> Mime-Version: 1.0 References: <20230330191801.1967435-1-yosryahmed@google.com> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230330191801.1967435-3-yosryahmed@google.com> Subject: [PATCH v3 2/8] 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=20Koutn=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 , Michal Hocko Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 Acked-by: Michal Hocko --- 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(s= truct lruvec *lruvec, } =20 void mem_cgroup_flush_stats(void); -void mem_cgroup_flush_stats_delayed(void); +void mem_cgroup_flush_stats_ratelimited(void); =20 void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item i= dx, int val); @@ -1535,7 +1535,7 @@ static inline void mem_cgroup_flush_stats(void) { } =20 -static inline void mem_cgroup_flush_stats_delayed(void) +static inline void mem_cgroup_flush_stats_ratelimited(void) { } =20 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(); } =20 -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 *shad= ow) =20 mod_lruvec_state(lruvec, WORKINGSET_REFAULT_BASE + file, nr); =20 - 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 --=20 2.40.0.348.gf938b09366-goog