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 DEDDECD6E53 for ; Wed, 11 Oct 2023 09:36:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 371E68D00F6; Wed, 11 Oct 2023 05:36:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 322C08D0002; Wed, 11 Oct 2023 05:36:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1EA968D00F6; Wed, 11 Oct 2023 05:36:11 -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 0B6CA8D0002 for ; Wed, 11 Oct 2023 05:36:11 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id D29C6B4996 for ; Wed, 11 Oct 2023 09:36:10 +0000 (UTC) X-FDA: 81332674500.02.6836AFA Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) by imf19.hostedemail.com (Postfix) with ESMTP id EA8B91A0021 for ; Wed, 11 Oct 2023 09:36:08 +0000 (UTC) Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=gtKHWTPV; spf=pass (imf19.hostedemail.com: domain of konrad.dybcio@linaro.org designates 209.85.128.41 as permitted sender) smtp.mailfrom=konrad.dybcio@linaro.org; dmarc=pass (policy=none) header.from=linaro.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1697016969; 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=iy3XKYHuwy+ceJmp/ioJKl+KTznxwRVeCCbyOJ3Sxxw=; b=eJNObFrTG+MSMf/ucQO5cpZFFC4/A50wGhrtMp2y6+sBUcJf/GTTyGfn17czT19PA8uNia eePARYqORnf3yRQYwa1maE8+Ix5TElVZFPBNGGt5YMJudTEyZkwRmIH0Ike2MCsI2HaNop W3/YzQb3Vjl1u/6AA+1IYmoGkK6RAM4= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1697016969; a=rsa-sha256; cv=none; b=s1V8fEJG2MBZndl/e72SAkFSgPraOLKlddSdRecO9ncdhnZX2abEHREksABSEWczOveR3o 5g0BrBDFM8jLlcpAhNk5HpbiJCgsRdA0OErhEHDusjLCKs/v0bHpDQErDDDcU4T4PCDrSf CPOcHiARUkH384SfD+bY2WLhspfVtmA= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=gtKHWTPV; spf=pass (imf19.hostedemail.com: domain of konrad.dybcio@linaro.org designates 209.85.128.41 as permitted sender) smtp.mailfrom=konrad.dybcio@linaro.org; dmarc=pass (policy=none) header.from=linaro.org Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-405505b07dfso4290905e9.0 for ; Wed, 11 Oct 2023 02:36:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1697016967; x=1697621767; darn=kvack.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=iy3XKYHuwy+ceJmp/ioJKl+KTznxwRVeCCbyOJ3Sxxw=; b=gtKHWTPV4fEV8IFRnssqXX46uTZLeQFiP6ddbAPl1OLkL5sTawyDHAKwwgH02lWvMv RgiHCwqbrkRvxjh0TIEoTYiWGtbQNHI07pdLSUpKYTQwKyHhzl+IQlu+jMyxjbzsdjG1 1njkIfUBlq++WN3TyV73spMpHgQd0fvOiRxAVVfarmRGBlYVz3BOw4g0Tahl5XU2UeHF O5xjsJW2KggIo/quSzvtMBGQur/VJuLpO7Tcriy7MxUvtyHhfzUV+2bRZCZZ7xhAGiXb dlVTBz5iAF6xIGQvi3lBP0Z7HftLVjyV8y4AibSfzuO0V8Pi5WFNyLas27F8FTa/2nwo cWug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697016967; x=1697621767; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=iy3XKYHuwy+ceJmp/ioJKl+KTznxwRVeCCbyOJ3Sxxw=; b=F2e5oPSTTc5fpafOSG9NoPQkscoJ7ddaOqdpE/3dMbdca5UBYIiMoPT/Q7ogc5Ycoj YKcs9oRxXRstmRKswg/04fJtXiYFbmi0m28jOFLhxzMQiUJSYNA3v2d/vPJU8ncYnHPd 9sURjQ5684zzZaxL/p3CpLRT4Ur7MeBFi5w/cw7gXuyFzVu8MP8Ml5EoRHeS9MM7sMwV MsvtFdUlzugRJ5ejqj0qbJhA3u/+u+9KWDlcZg/ONSbANVYiKILqetTY000x+pYph8Sf pgbISRwZxN6iWUdmb8Osd/DDzvvgWNV2EuybB4UpJIkz58FteGYhMSIrwhxbBpAN9eqQ 05Wg== X-Gm-Message-State: AOJu0Yy95ZBE6xQPrrZWE2nQ8pYRW0YQXSeDWHCQP+FmZdCc6V5H+svu NwY5loxeFfobhLsB8AhCI9GrOQ== X-Google-Smtp-Source: AGHT+IHd7KH3Sp3F80DRbyiSWarxbMqSKkR+9jJcoPpq9fyPdrSif8sxEN25goGim1sZLy+QHEKSUg== X-Received: by 2002:adf:f984:0:b0:314:314e:fdda with SMTP id f4-20020adff984000000b00314314efddamr15842477wrr.23.1697016967381; Wed, 11 Oct 2023 02:36:07 -0700 (PDT) Received: from [172.30.204.44] (UNUSED.212-182-62-129.lubman.net.pl. [212.182.62.129]) by smtp.gmail.com with ESMTPSA id v5-20020a05600c214500b003fbe791a0e8sm16376359wml.0.2023.10.11.02.36.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Oct 2023 02:36:06 -0700 (PDT) Message-ID: <67b34aed-6e0f-400f-a150-1969c5478f4b@linaro.org> Date: Wed, 11 Oct 2023 11:36:05 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 2/8] hugetlb: restructure pool allocations Content-Language: en-US To: Mike Kravetz Cc: Andrew Morton , Anshuman Khandual , Xiongchun Duan , Barry Song <21cnbao@gmail.com>, David Rientjes , Miaohe Lin , Matthew Wilcox , linux-mm@kvack.org, Naoya Horiguchi , Joao Martins , David Hildenbrand , Michal Hocko , Oscar Salvador , linux-kernel@vger.kernel.org, Usama Arif References: <20231006030836.GC86415@monkey> <5d14b681-a2c9-4210-a0c1-bf38708b7998@linaro.org> <20231006223512.GC3861@monkey> <20231009032926.GA3376@monkey> <070bd916-d4d6-41c2-9f51-af35e80c96b9@linaro.org> <20231009150401.GA3846@monkey> <20231009151513.GB3846@monkey> <20231009170710.b52f5a6e57c23d5caecce8ab@linux-foundation.org> <6f381d4c-d908-4f00-89b3-ed3bcb26b143@linaro.org> <20231010214533.GC279095@monkey> From: Konrad Dybcio In-Reply-To: <20231010214533.GC279095@monkey> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: EA8B91A0021 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: 94ccsraeyirwgjqhs1we68yyzbt4tsp9 X-HE-Tag: 1697016968-174198 X-HE-Meta: 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 CmaMyB55 w6SidEzAa+OL+YvaUxsuLp1WwGe9cPKMIsTJpMmht0PitrdZx/11hyz91RTkVRy7zX551rbpOphZLoSy6IpnAYnwVH7lTFqib36rj4xa8kXS6RWlP5cO0dSmXhoREKQ96WAg3D6ivIt6wF3wnAEOgWZ5exHOPSpuu4sB91Yu2w6oC+Pic8WqpD1gjhF4Bd/cpO9Sy66rZ5D0CcbLZBqNcCe5YB/b7P0LLfAsZilzWT0mpeD4OysXfnR9LWclnetcN5A5kESo7Vm3MvwSjS5//kZ/BrucsnDASDaPOT0WoXWJ3oPsU8cVIn8sFIwt9hLT+5UBu48Pd+9YRmgTPG5+9GNLWldN1qnNEg4HbFYmezNqPWqHaAEKo5GeKUgEnZX3Kttqkh2lE7oIwkW/eVy16X1V/GSMzd/cMS/NWRR6SR1WqqA1tLcB24MKvmGzHvHZU3SfT5wttGTL2fppQ+sR82EHgb44y/Av4DYF9D1n3gwAvwoV+1LYuwuR76t95W77WBQLQ/Y4tsbj3XQta2me0wuaVHdvHs9Hq81ofd051vv0iaScZUscLI+nHrQdgUZhkcBq+D+Pwu2/FEss= 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 10/10/23 23:45, Mike Kravetz wrote: > On 10/10/23 23:30, Konrad Dybcio wrote: >> >> >> On 10/10/23 02:07, Andrew Morton wrote: >>> On Mon, 9 Oct 2023 08:15:13 -0700 Mike Kravetz wrote: >>> >>>>> This should also be empty and a noop. >>>>> >>>>> Is it possible that the misaligned kernel image could make these lists >>>>> appear as non-empty? >>>> >>>> Actually, just saw this: >>>> >>>> https://lore.kernel.org/linux-mm/20231009145605.2150897-1-usama.arif@bytedance.com/ >>>> >>>> Will take a look, although as mentioned above prep_and_add_bootmem_folios on >>>> an empty list should be a noop. >>> >>> Konrad, are you able to test Usama's patch? Thanks. >> I legitimately spent a sad amount of time trying to regain access to the >> remote board farm. Previously I could hit the bug on SM8550, but now I can't >> do it on SM8450, SM8350 and SM8250 (previous gens), with the same config.. I >> have no idea when I'll be able to get access to SM8550 again. >> >> I did test it on the QCM6490 Fairphone 5 that I initially reported this on, >> and neither booting next-20231010 (with your patchset applied) nor adding >> the below patch on top of it seems to work. I can't get serial output from >> this device though to find out what it's unhappy about :/ > > Sorry for causing you to spend so much time on this. No worries, that was my explanation for why it took me so long to respond again.. > > As mentioned in the reply to Usama's patch, the root cause seems to be > the locking. So, the real change to test is the locking changes in > that thread; not Usama's patch. Ack Konrad