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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58A5BC369CB for ; Wed, 23 Apr 2025 07:38:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 038466B0005; Wed, 23 Apr 2025 03:38:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F29716B0007; Wed, 23 Apr 2025 03:38:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DF0A16B0008; Wed, 23 Apr 2025 03:38:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id C251A6B0005 for ; Wed, 23 Apr 2025 03:38:02 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 26773C1488 for ; Wed, 23 Apr 2025 07:38:03 +0000 (UTC) X-FDA: 83364504846.01.3BF4D6D Received: from mail-yb1-f170.google.com (mail-yb1-f170.google.com [209.85.219.170]) by imf10.hostedemail.com (Postfix) with ESMTP id 57DB5C0009 for ; Wed, 23 Apr 2025 07:38:01 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=QUecYQId; spf=pass (imf10.hostedemail.com: domain of dqfext@gmail.com designates 209.85.219.170 as permitted sender) smtp.mailfrom=dqfext@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1745393881; 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:dkim-signature; bh=teol8+j7T+KUdmAwLstc1ROAyK3EMfIdRvJ3znd4Gr4=; b=Hz/sQ1NkP9XZfCaU2XQddtjHscVn+pvRdLiNFroFwUlOoKPkBwySv5Bo2h9uLx+AiIzHwW Z5vovK/X8rfns57dMbyWNkk95qc8zIFkz5mfVdZrTOZbPCDi08PlPuonFrz0uyXZKZMvpj 2sHDUmPCwLLMQrn/59zHPemQYLH/69I= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=QUecYQId; spf=pass (imf10.hostedemail.com: domain of dqfext@gmail.com designates 209.85.219.170 as permitted sender) smtp.mailfrom=dqfext@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1745393881; a=rsa-sha256; cv=none; b=vBoW70LRv2hW3P+OfnCQfS/BOzufgzS7yuAHqQB2i7rGc4m2f3/0eHYmGgChnb/+JiT//J bqx/EmB74pPIU43coU56s6iJV/uxQAqzlSyOvJ1LyhsRpnHixy8zkg4KEGf4407J6WTFZK HkQ57sYbLkbSY7YWx+GTr8Ckh5GdOOs= Received: by mail-yb1-f170.google.com with SMTP id 3f1490d57ef6-e6df4507690so551927276.0 for ; Wed, 23 Apr 2025 00:38:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1745393880; x=1745998680; darn=kvack.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=teol8+j7T+KUdmAwLstc1ROAyK3EMfIdRvJ3znd4Gr4=; b=QUecYQIdFDx4cWaH06fDl+jtSXsNcnxDe63D9HPOTiBTI+QCz8LITlx5KGcbVvK/fQ aK9nlJVi3UCiO3pz2A+Y0iHIk2NzGDJHr+It1xflKZpGHyactCAaVPR78yvBpMDgrGLF lmX+VAAkiBt5GAHKmuy6PQpr1ZDGZdkHcue0YyngknONe2sJAiUJy/9lSWLA+W1aAm78 0gzQ5y8ROGda6tVEX+H8H195OvY90MjlEUVtV/Ga19m/at4rgfP6HnEJqTGLxkpg93kL 3oeN61UKamIlNFI1EY4wO5wFypkjqVD6FrCXIrOvwskEq3/D1XihLh/KLNpyUMWe0RAZ HRdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1745393880; x=1745998680; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=teol8+j7T+KUdmAwLstc1ROAyK3EMfIdRvJ3znd4Gr4=; b=S41kmAzdVjw4yjHR/uW3+2OqiTS1+8lYRWan+YLc57kH8DN/Dn0jlDn4kTEqK+mbm5 q04a/zeqcWNONzjQlAE5zeeC+5QEp/kLAnemn8T4VbRm6GZkFUCq2pMoSQIKfH/PIHqO ywOtSjmrIBO5qW5AqrG582lYPCg4AJwGXOvBFjSnrJPwkpeHcI0XoBx/C077hhfrRal9 jEFAN/L3XhfxKtg5t62T8o0R1Gc68V3doQwgHk/pamrmhG+sTXhETsMtMLJcltEXRv2c PMRx5HiJ3zXJ/UbrfTm+759PwnRwqPXO0ScyqdtgAh97LjRqVq1tJrq2PdVpLRAnUvq3 VYcw== X-Forwarded-Encrypted: i=1; AJvYcCWPVZBz/KTexkTFZGJGM/Fys+sdrv6N9DotOOjz0JuPC7LJJvHbo5lxTmVJ/gxG0xDduzxB/Y1gzg==@kvack.org X-Gm-Message-State: AOJu0YwuhddK3BUjWYICUUsIxFOkbHXrMt6NK3ztNN9dbVOsv6xiAyjv 8RG4fRgUTynsFlnJuiZ/6I2sbakFcq7HfTLA/rjH8rfiDXgC5XA/zH4hkIY0/fzGMRIxygXh5pA iEIFL2J6UjioZKE2Fevwkv1NE7zY= X-Gm-Gg: ASbGncvkRBDkL0WaiSbPEHkNjhAVcZ3SYOxb+sKpxgFrifYt25PA13cMKbpchkvR0sr 8yN1BIpMC0r2BTTuFxX1Hg0RcWSfRvp+uUzNfhe1ZI9YvMt55RKu3JaqOIvDjR1MDSMWvBfOk9f SBohCMlyGKcJrVMX2PsYF1LXRmXaY9XATtwyMPrQ== X-Google-Smtp-Source: AGHT+IH5RrmcAdxYycNKU6x3jaRqkUSPGz0Qo8C5MXeEjk52EB/IWpIlrFx+DoZC9JfrZ1mNE7GXEaAr+yIJuok2Cc4= X-Received: by 2002:a05:6902:5412:b0:e72:f64c:26b4 with SMTP id 3f1490d57ef6-e72f64c285emr285024276.22.1745393880324; Wed, 23 Apr 2025 00:38:00 -0700 (PDT) MIME-Version: 1.0 References: <2025042251-energize-preorder-31cd@gregkh> <2025042237-express-coconut-592c@gregkh> <7bf68ddd-7204-4a8c-b7df-03ecb6aa2ad2@redhat.com> <2025042256-unnerve-doorway-7cb7@gregkh> In-Reply-To: <2025042256-unnerve-doorway-7cb7@gregkh> From: Qingfang Deng Date: Wed, 23 Apr 2025 15:37:39 +0800 X-Gm-Features: ATxdqUE3cGgo8cxtPKLqZH9GZn5l7Y5RiENn4kSMGj6oiaPyvPU19GLnQeY51nM Message-ID: Subject: Re: Please apply d2155fe54ddb to 5.10 and 5.4 To: Greg Kroah-Hartman Cc: David Hildenbrand , Sasha Levin , stable@vger.kernel.org, linux-mm@kvack.org, Zi Yan , Johannes Weiner , Brendan Jackman , Michal Hocko , Suren Baghdasaryan , Vlastimil Babka , Andrew Morton , Liu Xiang Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: 5t9y6gza3trwf5mu89znpx4qfwswo4je X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 57DB5C0009 X-Rspam-User: X-HE-Tag: 1745393881-351099 X-HE-Meta: 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 AoU8mNTf j7VCRcW+xjH5PjQwIJ850bDuJOcasg1ywX4BKe77VwPueNlDQtI2Y0QyZvOBoF4Ui/Whyd+WqL8xk6rU3PnTFWpDl+f4943u+wr0UCkSmquKJ88X2f1647vQZV1BAlPhxg+rO6ud6BiPb0he8zoGuu9m6+uMgDX78mDDcn2mZCrWx9Se6VmjFQpsrb8Q86dyxZakRlQxRDMXvn5ejUT/rAk9q33jPgWk/kIJ1l4s9S+F+6GzkpPBsON4mVtqUJ0dgIxm90phIV3TtR8dzk3Lb5Sl+IUZX+51hff/+kvB094gmsFEtSoQfBRFSayboeHNu2/i4rIv3zdznIMyXDLzACiQyeM31lxV+4hfAtZ5b1ceAAPN1dO7oJWuBP676BNLt1xEv 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, Apr 22, 2025 at 8:41=E2=80=AFPM Greg Kroah-Hartman wrote: > > > > > > The commit looks harmless. But I don't see how it could fix any warni= ng? > > > > > > I mean, we replace two !list_empty() checks by a single one ... and t= he > > > warning is about list_cut_position() ? > > > > I have no idea, actually. Maybe the double !list_empty() confuses the > > compiler, making it think `sublist` can be referenced out of the > > scope? > > That is odd, are you sure this isn't a compiler bug? I think it is a compiler bug. If so, what should we do to fix the warning?