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 A612FC25B7C for ; Fri, 24 May 2024 02:57:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 009AC6B0088; Thu, 23 May 2024 22:57:43 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ED4F96B0089; Thu, 23 May 2024 22:57:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D75DE6B008A; Thu, 23 May 2024 22:57:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id AE41A6B0088 for ; Thu, 23 May 2024 22:57:42 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 59847A19C6 for ; Fri, 24 May 2024 02:57:42 +0000 (UTC) X-FDA: 82151779164.24.8F65AB8 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf15.hostedemail.com (Postfix) with ESMTP id 3C08CA000A for ; Fri, 24 May 2024 02:57:39 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=t07vfPWT; spf=pass (imf15.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1716519460; 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=pFLUJMcI5OthSOvA1ByI29FXRLb1VL3xCEMqasnb7z8=; b=7i3ulhQVoZ42qlN1Zh65WRjJY1okbAxa9nwRz7H3IXY0ByXrVwX8UpBWgglIqBfcS51Cw/ coYlTDxieWf5OGenquTwIG/lJiUxE+ooiCbrwAsaHJzgLwI4IZRr58QMwxsTbC+M7K8NXs gPKt8LwCsLHvT7vL17bhNQFGnvIUnj0= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1716519460; a=rsa-sha256; cv=none; b=SxY07w5DfxTIZ6QAyA3VPFNooaoXr3BqBqhbp3Ty6bVFQ9BJEqO+F22t74UcQ7IX1rx5yi 34Q+KGHYFOyHvIJU3peRBoNFFbab1ud2r27TiKfN4ApPRrXjazj+Dz/YxbNWtIbdHQ5bHr /F9TiitybKJbNlcXgLBqXJ02Nkkcwgs= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=t07vfPWT; spf=pass (imf15.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id D1FCACE18A7; Fri, 24 May 2024 02:57:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC635C2BD10; Fri, 24 May 2024 02:57:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1716519455; bh=KumiJ0dcTbAP3ItPboriTQrVVDVKUARaIq7RCMFm+nw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=t07vfPWTsUhVpAlA44lnGhqRPWVxDW4/G0c7tGCLBfSlG4Um8+SlW6GxDCDM0Ie/3 ZT9Rsr4SnkxXKdrCWUHU2WqBfgSAi4IOJdpiUfRBmQ/gJH+MHWY9lC6J2mmVZCBllu H65fjrfxEqe2T+aDn8vX4oLx58h2cVnJUoi5Ic1M= Date: Thu, 23 May 2024 19:57:34 -0700 From: Andrew Morton To: David Hildenbrand Cc: Donet Tom , Shuah Khan , Matthew Wilcox , Tony Battersby , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Ritesh Harjani , Mike Rapoport , Muchun Song , stable@vger.kernel.org Subject: Re: [PATCH] selftest: mm: Test if hugepage does not get leaked during __bio_release_pages() Message-Id: <20240523195734.bc03a8822a34b1a97880fb65@linux-foundation.org> In-Reply-To: References: <20240523063905.3173-1-donettom@linux.ibm.com> <20240523121344.6a67a109e0af2ba70973b34b@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: qfkz6togigj71hxsistycbakt7tq8c7b X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 3C08CA000A X-HE-Tag: 1716519459-404704 X-HE-Meta: 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 zCq1WOiF Qa4fxLdrbP4c1jdZT4V5blLiEPgjHC5U0xxgY23xAO5dybp1pMRwpsCjqqmnkt7aF+mBOJkDxPRPP08TwItKwmjjBLShHt4UnAasu7Je2U60V5jMbyRmNHPtP6FAhpSgwEmf0sr3Op6KZSdvVWRmZN3XsOTK/NWmN3gubWftVQxJsaMeOM0HIpnxawUY8fcR6Lo7QaoJnoyRlGRorHayceaAfQy0kFmiYA8U1O76b3rwhxKI2udWj3TRpnlZUatfL0E/EqU6zPbLyKoO6QgeTNPBpwlXnQKwQ1Rc+a8x7UFcNsETW/BYEXVirfAcnQJIA6DeAD0l1eXDafh0v2r06S3UI1MaFq8nox3z9gi32hpG2XydvkYsvuNJZkUIuyu5G/oMLTN/NDjGtLH8AfrVZKVR01CHyr99ZQeGzqBSGrM0BvkU= 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 Thu, 23 May 2024 22:40:25 +0200 David Hildenbrand wrote: > > You have stable@vger.kernel.org in the mail headers, so I assume you're > > proposing this for backporting. When doing this, please include > > > > Cc: > > > > in the changelog footers and also include a Fixes: target. I'm > > assuming the suitable Fixes: target for this patch is 38b43539d64b? > > This adds a new selfest to make sure what was fixed (and backported to > stable) remains fixed. Sure. But we should provide -stable maintainers guidance for "how far back to go". There isn't much point in backporting this into kernels where it's known to fail! I'm still thinking that we want this in kernels which have 38b43539d64b?