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 62233C71159 for ; Mon, 16 Jun 2025 23:24:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D7C7F6B0089; Mon, 16 Jun 2025 19:24:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D2D3D6B008A; Mon, 16 Jun 2025 19:24:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C43B96B0092; Mon, 16 Jun 2025 19:24:08 -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 B88C86B0089 for ; Mon, 16 Jun 2025 19:24:08 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 394E01D75AC for ; Mon, 16 Jun 2025 23:24:08 +0000 (UTC) X-FDA: 83562844176.16.E48AF9C Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf13.hostedemail.com (Postfix) with ESMTP id 7805620004 for ; Mon, 16 Jun 2025 23:24:06 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=vQnV9gQc; spf=pass (imf13.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 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=1750116246; 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=AwAJaLo2PpVkbhbiII/HsgyE4pljPQMkG2rwLFh1ETs=; b=dUvSlnGj8pBPfW0oX8QUIigQcUHakau7EBn4bQFxQ0tq7xFJNkYBK4+bPb0AHW+SDHvNmo ULnJw2V67aw4TiONhGc/DQ6q+UO1IpbRDfSeRH5LXnkLqGENmvLeR70cg3J+2qUnd2Wh7o Or/R4mP8y++s3zvNEOXczSzEXrziz74= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1750116246; a=rsa-sha256; cv=none; b=nSeIIlWyCdTRd6tPvWjbZeu9uoWCp1rFnjp3m2ZKesSd3iT4E/A3uewC1jFc0bs74ATVE6 lnRJ3Geezmr5FWBfQ9FUMKc/ktrUtwyXxTkOzZVTgOuoGqMc5NF21ANOCvNyDo3ZdVMRdG 82fipUehGXFdrc98ggzjyM7xQCaioIk= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=vQnV9gQc; spf=pass (imf13.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 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 dfw.source.kernel.org (Postfix) with ESMTP id DA4C05C57B5; Mon, 16 Jun 2025 23:21:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BDDB6C4CEEA; Mon, 16 Jun 2025 23:24:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1750116245; bh=vU+stT+fx5E1pSEiQKKM/2DQByxEBmbUwdP6uNowKV4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=vQnV9gQc8uu3VdhKkqSLKKQILxIsFok7SheBjKPEbscqy5qcMmAfMXQwIH0hxjDiB 05hrSsiSyUyiCiHVNs54KpWxZGD1nKHEQjQl3/lA3CC8XXDtRBLGvjENRGsl0kcePA 0p9Of/GhrZ5M//5F/3sIbmr2/3eDikCS5zYDETag= Date: Mon, 16 Jun 2025 16:24:04 -0700 From: Andrew Morton To: "Liam R. Howlett" Cc: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@kernel.org, Suren Baghdasaryan , Lorenzo Stoakes , Hailong Liu , zhangpeng.00@bytedance.com, Steve Kang , Matthew Wilcox , Sidhartha Kumar Subject: Re: [PATCH 0/3] Fix MA_STATE_PREALLOC issue Message-Id: <20250616162404.9f37908a11f5bd46f2362fb9@linux-foundation.org> In-Reply-To: <20250616184521.3382795-1-Liam.Howlett@oracle.com> References: <20250616184521.3382795-1-Liam.Howlett@oracle.com> 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-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 7805620004 X-Stat-Signature: ok989bqhr31y5frbktanxkdih5bc17b6 X-HE-Tag: 1750116246-650024 X-HE-Meta: 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 t1ytrVAg Dgrm6z5w4fklv7UNCNRxnk9rJSd9XSiPLRvtSsVeLyiOdJKOSTMFqbIJadQZFiba+kOxpaDo/ddva8reU3Sy0J3nX2WhJPPkx2+OUAw0Upbq+62ZXWbsUdxjElhRBWCkyIEZkbld70mYuagmpdyXMn6WLbYERzgtHJ+1u7Hrc8yusTgCld275FVsTqj9GuWeWuK9bmtbmrxfzK+z9Zh17h/MZrAWS80awjT+qF1CkdEULf6rvSntAxzY7PHRzU1BpBp7l+FTpx4R/2Uq55M+lfSRYBZNXuUaefAicCE1FwdxsShrHlmuBnNiwBGuChTntN35a 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 Mon, 16 Jun 2025 14:45:18 -0400 "Liam R. Howlett" wrote: > Address the issue of reusing the same maple state for multiple > preallocations calls caused by MA_STATE_PREALLOC, and add a test for > this use case. > > Included is a change to the testing code to reduce false positives in > the rcu race testing on faster machines. I split this series into - a standalone fix for 6.16-rcX and -stable. - two standalone selftests patches for 6.17-rc1. Is that OK?