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 A8785C4332F for ; Mon, 21 Nov 2022 20:54:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 107DB6B0072; Mon, 21 Nov 2022 15:54:05 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0B7CF6B0073; Mon, 21 Nov 2022 15:54:05 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EE8826B0074; Mon, 21 Nov 2022 15:54:04 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id DB6456B0072 for ; Mon, 21 Nov 2022 15:54:04 -0500 (EST) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id AEE041A0841 for ; Mon, 21 Nov 2022 20:54:04 +0000 (UTC) X-FDA: 80158651608.26.D0D55E6 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf16.hostedemail.com (Postfix) with ESMTP id 543E518000A for ; Mon, 21 Nov 2022 20:54:03 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5DCC2612AE; Mon, 21 Nov 2022 20:54:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89E63C433D6; Mon, 21 Nov 2022 20:54:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1669064041; bh=KtPck3esfxuOQ4NFNnPgOap3VkOcRm6+13fgwnIPXHY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=2qhHFIR4KLutrI0Vwcxp4x75OL2ZHAKIP4PmKegLkxeACsz+PIFmUxtGg5kdxFTxt Cs5LhK2bNEekFfhNkSXmxUyYUgnOlhmaNqkYbbVMY5bk17ex2VqK7DlVXGeaXaV08b 7ADd6ABb3MkvaAng361XzdvpH+wMbIB49YLNl8Uk= Date: Mon, 21 Nov 2022 12:54:00 -0800 From: Andrew Morton To: decedion@gmail.com, mmp.dux@gmail.com, Thorsten Leemhuis Cc: bugzilla-daemon@kernel.org, linux-mm@kvack.org, Matthew Wilcox Subject: Re: [Bug 216646] having TRANSPARENT_HUGEPAGE enabled hangs some applications (supervisor read access in kernel mode) Message-Id: <20221121125400.334190a6d2791b0c9afbfea0@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=2qhHFIR4; spf=pass (imf16.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-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669064043; a=rsa-sha256; cv=none; b=WpQ+2x3k/3tPpMZY8lbEBAHxko8Aq0NHyK/WRMTLC4AOsHmKdJUEPinQDi5n9P1fFBi6nS JmpoOcTOrk7o+fXrMhsV80CWa+Ghy9L2onZ+uAVZuBb2srNFzvktx6HcrvRecEG1vRGWpA u8jRjVMpAcgUyyLY7I+IgBIoKaMhj3o= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669064043; 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=PPxm0Uax6IApX6q3tlJT+DIzcaJ5xflzA9joC9G7JYA=; b=oamNKriafE8pR3eFgKrvxNRPtR9wtz198UNaq2Gs5hR6rVMuz7jHLORPySFIk9yy6N0bZs i3HmLOJP286Nn8pDpscHi/aO8zdY1ucMo73xcukG4DUedqEvL4QU1xr7TLR7vULhrzENcQ HozGHH/2mjCiT4P4g/wI2DTZuYO85Bo= X-Rspam-User: Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=2qhHFIR4; spf=pass (imf16.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-Stat-Signature: bs9i74ynu8cnr38tkccbgm3j3wggwkar X-Rspamd-Queue-Id: 543E518000A X-Rspamd-Server: rspam09 X-HE-Tag: 1669064043-714037 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: On Mon, 21 Nov 2022 18:34:34 +0000 bugzilla-daemon@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=216646 > > --- Comment #6 from Mikhail Pletnev (mmp.dux@gmail.com) --- > i can't figure out how to use git send-email, so i will post this here instead > > > > > git bisect good 1854bc6e2420472676c5c90d3d6b15f6cd640e40 > > > I suspect this is where your bisection went astray. This should have > > been bad and it led you to the wrong commit. > > so i've applied your suggestion and did some more bisecting and arrived at > this: Folks, thanks for continuing to work on this. But can I please please implore you to stop using bugzilla for this issue? We just don't use it and nobody looks at it so nobody knows what's going on. So please, let's continue to work this via email instead? A reply-to-all to this email will work just nicely. Thanks.