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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 6EBABC433B4 for ; Wed, 5 May 2021 01:38:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1EBC461029 for ; Wed, 5 May 2021 01:38:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EBC461029 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B59E16B00B9; Tue, 4 May 2021 21:38:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AE0A86B00BB; Tue, 4 May 2021 21:38:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9A99E6B00BC; Tue, 4 May 2021 21:38:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0161.hostedemail.com [216.40.44.161]) by kanga.kvack.org (Postfix) with ESMTP id 7E4F46B00B9 for ; Tue, 4 May 2021 21:38:02 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 2F3A8181AF5C2 for ; Wed, 5 May 2021 01:38:02 +0000 (UTC) X-FDA: 78105466404.26.B521BE9 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf03.hostedemail.com (Postfix) with ESMTP id ED6CCC0007C9 for ; Wed, 5 May 2021 01:37:54 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id DF587610A1; Wed, 5 May 2021 01:38:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1620178681; bh=EDYGXBVml3ijoK1GHb/3hAb2yROFDnC4wEUA56kwdAo=; h=Date:From:To:Subject:In-Reply-To:From; b=b/9DHCrH0oJ6W63m3doYY5rLGxUHYH8xgeP6ta4A23SKuwdO4WOS0mU3js4MA+GRQ AHluVimnjnLMFO0Ejz7Q65LDdbXb+z3usc7o6LR8F3UB7TRIRzcrwdnnZZm2eoMVkg PU/TH/TYyQwtWgJwZe1feTYl1xn2o2FzCTulImeI= Date: Tue, 04 May 2021 18:38:00 -0700 From: Andrew Morton To: akpm@linux-foundation.org, guro@fb.com, hannes@cmpxchg.org, hughd@google.com, linux-mm@kvack.org, mhocko@kernel.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, vbabka@suse.cz Subject: [patch 099/143] mm: /proc/sys/vm/stat_refresh stop checking monotonic numa stats Message-ID: <20210505013800.zDzXMpFCk%akpm@linux-foundation.org> In-Reply-To: <20210504183219.a3cc46aee4013d77402276c5@linux-foundation.org> User-Agent: s-nail v14.8.16 Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="b/9DHCrH"; dmarc=none; spf=pass (imf03.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Stat-Signature: 3511w68xswpint3fbcsmokw19rstt7bn X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: ED6CCC0007C9 Received-SPF: none (linux-foundation.org>: No applicable sender policy available) receiver=imf03; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1620178674-31932 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: From: Hugh Dickins Subject: mm: /proc/sys/vm/stat_refresh stop checking monotonic numa stats All of the VM NUMA stats are event counts, incremented never decremented: it is not very useful for vmstat_refresh() to check them throughout their first aeon, then warn on them throughout their next. Link: https://lkml.kernel.org/r/alpine.LSU.2.11.2102251514110.13363@eggly.anvils Signed-off-by: Hugh Dickins Acked-by: Roman Gushchin Cc: Johannes Weiner Cc: Michal Hocko Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- mm/vmstat.c | 9 --------- 1 file changed, 9 deletions(-) --- a/mm/vmstat.c~mm-proc-sys-vm-stat_refresh-stop-checking-monotonic-numa-stats +++ a/mm/vmstat.c @@ -1872,15 +1872,6 @@ int vmstat_refresh(struct ctl_table *tab __func__, zone_stat_name(i), val); } } -#ifdef CONFIG_NUMA - for (i = 0; i < NR_VM_NUMA_STAT_ITEMS; i++) { - val = atomic_long_read(&vm_numa_stat[i]); - if (val < 0) { - pr_warn("%s: %s %ld\n", - __func__, numa_stat_name(i), val); - } - } -#endif for (i = 0; i < NR_VM_NODE_STAT_ITEMS; i++) { /* * Skip checking stats known to go negative occasionally. _