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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CC75ED77899 for ; Fri, 23 Jan 2026 17:45:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D2F156B0520; Fri, 23 Jan 2026 12:45:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D06CB6B0522; Fri, 23 Jan 2026 12:45:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C32E26B0523; Fri, 23 Jan 2026 12:45:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id B30DE6B0520 for ; Fri, 23 Jan 2026 12:45:09 -0500 (EST) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 5C607D3446 for ; Fri, 23 Jan 2026 17:45:09 +0000 (UTC) X-FDA: 84363954738.01.F2F4928 Received: from relay.hostedemail.com (unirelay02 [10.200.18.65]) by imf17.hostedemail.com (Postfix) with ESMTP id 9086040009 for ; Fri, 23 Jan 2026 17:45:07 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1769190307; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AZP786ZgVnhamB4OdzcrZmWyH7YCAT76LUfmJKvUIa0=; b=sciXddXimZO9E4MWizB6BavbvRzesGauCLdHiKhSRuugMJZbBADVIspJ2xiImUWDCZvYRW IW45FL+xk2e6i47jTuOTZ9MxTs5LXWSNLj8IjGo15u/j5xvLMl0UbNqU9FJTrEf9ypH5B6 vZo8M4SjPXG+X6qhlywBmVbhaa9rS7Y= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1769190307; a=rsa-sha256; cv=none; b=QOMp9wHpQ7ASAodzNqAvCc+OCIqGmTdHQf7xBLfCeysFPOl6D39ln2uvMQofeITXOZTIny i0DKLzvoLld5+pT7gQc1ILH5zEGMnRSE1cH9kShIS79n7qA6tRotD/wE4geRR/6A3Ukkn+ gA6za9hKjnsOBc3JjGp08C6CwRtPlls= ARC-Authentication-Results: i=1; imf17.hostedemail.com; none Received: from omf10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 7453E13B16D; Fri, 23 Jan 2026 17:45:04 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf10.hostedemail.com (Postfix) with ESMTPA id E42D330; Fri, 23 Jan 2026 17:44:59 +0000 (UTC) Date: Fri, 23 Jan 2026 12:45:28 -0500 From: Steven Rostedt To: Jiayuan Chen Cc: linux-mm@kvack.org, Jiayuan Chen , Shakeel Butt , Johannes Weiner , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Axel Rasmussen , Yuanchu Xie , Wei Xu , Masami Hiramatsu , Mathieu Desnoyers , Brendan Jackman , Zi Yan , Qi Zheng , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH v4 2/2] mm/vmscan: add tracepoint and reason for kswapd_failures reset Message-ID: <20260123124528.3d118cca@gandalf.local.home> In-Reply-To: <20260120024402.387576-3-jiayuan.chen@linux.dev> References: <20260120024402.387576-1-jiayuan.chen@linux.dev> <20260120024402.387576-3-jiayuan.chen@linux.dev> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18JXD2BXE3/gdW7HdTzbiyh3DXw65GaDyQ= X-HE-Meta: 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 X-Rspamd-Queue-Id: 9086040009 X-HE-Tag-Orig: 1769190299-137174 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: q4zhqppw5gjibr9p9yjxnf81j4335nkf X-HE-Tag: 1769190307-867375 X-HE-Meta: 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 41Gf2e0z J0WuFnj+r59Nc2IoRBIP5ZNMTT3hx7CLNFbH+miXy23NJfNM0sYu3gHryUY8sjwmLTMnX/DEGmcyIV9BCnmGBaNp4fLA5iklVGalGFA3eOdYSW5vg83l6FOPEpFZhoBohb0CiDWxqutEbdseZgz9ch/iqLVDLLM3bzkoU X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 20 Jan 2026 10:43:49 +0800 Jiayuan Chen wrote: > Acked-by: Shakeel Butt > Suggested-by: Johannes Weiner > Signed-off-by: Jiayuan Chen > Signed-off-by: Jiayuan Chen > --- > include/linux/mmzone.h | 19 ++++++++++--- > include/trace/events/vmscan.h | 51 +++++++++++++++++++++++++++++++++++ > mm/memory-tiers.c | 2 +- > mm/page_alloc.c | 4 +-- > mm/show_mem.c | 3 +-- > mm/vmscan.c | 29 +++++++++++++------- > mm/vmstat.c | 2 +- > 7 files changed, 91 insertions(+), 19 deletions(-) =46rom a tracing POV: Reviewed-by: Steven Rostedt (Google) -- Steve