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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E7D8C433E0 for ; Thu, 9 Jul 2020 19:17:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4CA79207DD for ; Thu, 9 Jul 2020 19:17:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="S5oSqZW1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4CA79207DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B0DA66B0002; Thu, 9 Jul 2020 15:17:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ABEF36B0005; Thu, 9 Jul 2020 15:17:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9AC436B0006; Thu, 9 Jul 2020 15:17:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0138.hostedemail.com [216.40.44.138]) by kanga.kvack.org (Postfix) with ESMTP id 81BB66B0002 for ; Thu, 9 Jul 2020 15:17:53 -0400 (EDT) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 2A20A180AD80F for ; Thu, 9 Jul 2020 19:17:53 +0000 (UTC) X-FDA: 77019497226.16.low23_6215d5926ec8 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin16.hostedemail.com (Postfix) with ESMTP id E6F71100E6903 for ; Thu, 9 Jul 2020 19:17:52 +0000 (UTC) X-HE-Tag: low23_6215d5926ec8 X-Filterd-Recvd-Size: 5659 Received: from mail-ej1-f68.google.com (mail-ej1-f68.google.com [209.85.218.68]) by imf32.hostedemail.com (Postfix) with ESMTP for ; Thu, 9 Jul 2020 19:17:52 +0000 (UTC) Received: by mail-ej1-f68.google.com with SMTP id lx13so3480771ejb.4 for ; Thu, 09 Jul 2020 12:17:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=MUXt+VaotMhfJOd6E9mEicpXY5WrC4/+FNcOPjlj6ss=; b=S5oSqZW1A4t7CU5Ud+a9tiBkoj4BM6Sb6vMvdJv3Exg0n0rEmbYvLoimbCBwZjSiZf ulX3gUvqC5I6VLONpTNqv63W33nX+dqOm728Rx2Ga/A0F2iuJeXZeKYi75E/67UrmbHZ sGKbdD7B2JCya4oDSFY2vxM6TwJonF4IFsbKg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=MUXt+VaotMhfJOd6E9mEicpXY5WrC4/+FNcOPjlj6ss=; b=UE/ALDm8UlNs85QEwS+MRqzYvT9huZsKk3msDQ8j7iLSS/1emkMd+Rtze0DBHrun5i CXIxPOJQbwAZUumUDFRfsDn6gVMQb23+gToZ7yQzNrRt62jCshHFaTOZbBQBK5LywnKh BYH5WDpyzDCR9C9FpQEPcij2SWCnJoSkErcuqLXKnazxmUOjKezwLszVA/ED4GltAQxi j0gHiEiteSbeDB9cTQp7SnK+5qFAjca3CquD1jA/rrOLVxl+2i//17eUUWS5G+1gysiU eyRcX/cUhQZ2nFsWoRqOm7IohUU0jG094xb4zCL56Evl8jG9du/ejEss09cb+7ahKX8c OKbA== X-Gm-Message-State: AOAM5308eHgL7oNguN9rl5viOjOkQ49KvEQwcwj6SWmUqaVax8PzfbCm ccQbn/d3Pat9cpZ2Iul9F3HTEVxjWUw= X-Google-Smtp-Source: ABdhPJxhZRHxJsBoTnBNOlzF//kDoUutsoZo7LVF74xLu/JAFj9xH8TKgY31Dx+TnTLeDmv2BPN9Pw== X-Received: by 2002:a17:906:9408:: with SMTP id q8mr56459506ejx.496.1594322270896; Thu, 09 Jul 2020 12:17:50 -0700 (PDT) Received: from mail-wr1-f50.google.com (mail-wr1-f50.google.com. [209.85.221.50]) by smtp.gmail.com with ESMTPSA id r19sm2599987edp.79.2020.07.09.12.17.50 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Jul 2020 12:17:50 -0700 (PDT) Received: by mail-wr1-f50.google.com with SMTP id z2so3557787wrp.2 for ; Thu, 09 Jul 2020 12:17:50 -0700 (PDT) X-Received: by 2002:a2e:991:: with SMTP id 139mr36799176ljj.314.1594321956136; Thu, 09 Jul 2020 12:12:36 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Linus Torvalds Date: Thu, 9 Jul 2020 12:12:19 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: WARNING: at mm/mremap.c:211 move_page_tables in i386 To: Naresh Kamboju Cc: linux- stable , open list , linux-mm , Arnd Bergmann , Andrew Morton , Roman Gushchin , Michal Hocko , lkft-triage@lists.linaro.org, Chris Down , Michel Lespinasse , Fan Yang , Brian Geffon , anshuman.khandual@arm.com, Will Deacon , Catalin Marinas , pugaowei@gmail.com, Jerome Glisse , Joel Fernandes , Greg Kroah-Hartman , Mel Gorman , Hugh Dickins , Al Viro , Tejun Heo , Sasha Levin Content-Type: multipart/mixed; boundary="000000000000daa8dc05aa070182" X-Rspamd-Queue-Id: E6F71100E6903 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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: --000000000000daa8dc05aa070182 Content-Type: text/plain; charset="UTF-8" On Wed, Jul 8, 2020 at 10:28 PM Naresh Kamboju wrote: > > While running LTP mm test suite on i386 or qemu_i386 this kernel warning > has been noticed from stable 5.4 to stable 5.7 branches and mainline 5.8.0-rc4 > and linux next. Hmm If this is repeatable, would you mind making the warning also print out the old range and new addresses and pmd value? Something like the attached (UNTESTED!) patch. Linus --000000000000daa8dc05aa070182 Content-Type: application/octet-stream; name=patch Content-Disposition: attachment; filename=patch Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_kcf6480o0 IG1tL21yZW1hcC5jIHwgNCArKystCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAx IGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvbW0vbXJlbWFwLmMgYi9tbS9tcmVtYXAuYwppbmRl eCA1ZGQ1NzJkNTdjYTkuLmIzZjA3M2NmMjgwNiAxMDA2NDQKLS0tIGEvbW0vbXJlbWFwLmMKKysr IGIvbW0vbXJlbWFwLmMKQEAgLTIwOCw4ICsyMDgsMTAgQEAgc3RhdGljIGJvb2wgbW92ZV9ub3Jt YWxfcG1kKHN0cnVjdCB2bV9hcmVhX3N0cnVjdCAqdm1hLCB1bnNpZ25lZCBsb25nIG9sZF9hZGRy LAogCSAqIFRoZSBkZXN0aW5hdGlvbiBwbWQgc2hvdWxkbid0IGJlIGVzdGFibGlzaGVkLCBmcmVl X3BndGFibGVzKCkKIAkgKiBzaG91bGQgaGF2ZSByZWxlYXNlIGl0LgogCSAqLwotCWlmIChXQVJO X09OKCFwbWRfbm9uZSgqbmV3X3BtZCkpKQorCWlmIChXQVJOX09OKCFwbWRfbm9uZSgqbmV3X3Bt ZCkpKSB7CisJCXByaW50aygiIG9sZDogJWx4LSVseCBuZXc6ICVseCAodmFsOiAlbHgpXG4iLCBv bGRfYWRkciwgb2xkX2VuZCwgbmV3X2FkZHIsIHBtZF92YWwoKm5ld19wbWQpKTsKIAkJcmV0dXJu IGZhbHNlOworCX0KIAogCS8qCiAJICogV2UgZG9uJ3QgaGF2ZSB0byB3b3JyeSBhYm91dCB0aGUg b3JkZXJpbmcgb2Ygc3JjIGFuZCBkc3QK --000000000000daa8dc05aa070182--