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 6ED47E92FDE for ; Fri, 6 Oct 2023 03:55:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E2EA0940011; Thu, 5 Oct 2023 23:55:50 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DDD2294000B; Thu, 5 Oct 2023 23:55:50 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CCC38940011; Thu, 5 Oct 2023 23:55:50 -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 BE57194000B for ; Thu, 5 Oct 2023 23:55:50 -0400 (EDT) Received: from smtpin13.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 7ED2A1CA057 for ; Fri, 6 Oct 2023 03:55:50 +0000 (UTC) X-FDA: 81313672860.13.16247FE Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) by imf30.hostedemail.com (Postfix) with ESMTP id DC24380003 for ; Fri, 6 Oct 2023 03:55:48 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=none; dmarc=none; spf=none (imf30.hostedemail.com: domain of riel@shelob.surriel.com has no SPF policy when checking 96.67.55.147) smtp.mailfrom=riel@shelob.surriel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1696564548; a=rsa-sha256; cv=none; b=PjxecUDcErMv7W9atW55KT8Uqu39FUkcWxKNqgEUYhpyZEMR9iAN0kbIvzZ+E9ff5F+d6a pyd36kIulge2WOgn0jKvsiqlsXx4aqCA9Jy0b4meqSnmwOtPp8oxJNQxuSDe7ITCYMhAfo dr5GtksB4AajfRcpLkw5jcRVlASAraw= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=none; dmarc=none; spf=none (imf30.hostedemail.com: domain of riel@shelob.surriel.com has no SPF policy when checking 96.67.55.147) smtp.mailfrom=riel@shelob.surriel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1696564548; h=from:from:sender: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; bh=9OLAOSJE4sRX3iD39dB294ceC0RkSF0IvZNKfx3WacM=; b=X8rkAA+94m5WhUaV8a4zBxpgFQXI1CJY37HstpFpEsb6pQaduZt+ycNCZo6cA2dQK/P9Zn vpwOrrmN6yME2d3mZ3PHjBa3gTSqZoDts8CkxcQG9BG0L1om/BaHl2p23vsgFvEGppolMb 7MfFy/dvTFMVsIaEMKTKlmCzpAUjTyo= Received: from imladris.home.surriel.com ([10.0.13.28] helo=imladris.surriel.com) by shelob.surriel.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1qobwJ-0007zW-2p; Thu, 05 Oct 2023 23:55:47 -0400 Message-ID: <6ab947df00886d80bd476121cd2c703eda91f318.camel@surriel.com> Subject: Re: [PATCH v2 2/2] selftests/mm: Add a new test for madv and hugetlb From: Rik van Riel To: Breno Leitao , mike.kravetz@oracle.com, muchun.song@linux.dev, akpm@linux-foundation.org, Shuah Khan Cc: linux-mm@kvack.org, open list , "open list:KERNEL SELFTEST FRAMEWORK" Date: Thu, 05 Oct 2023 23:55:47 -0400 In-Reply-To: <20231005163922.87568-3-leitao@debian.org> References: <20231005163922.87568-1-leitao@debian.org> <20231005163922.87568-3-leitao@debian.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.46.4 (3.46.4-1.fc37) MIME-Version: 1.0 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: DC24380003 X-Stat-Signature: ufixgxupwk1bra43mdkai88d6hm5aych X-Rspam-User: X-HE-Tag: 1696564548-777619 X-HE-Meta: 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 p48tZuc+ 2rVx+rNdMSh/gOS17fNRav+sRelrl7tAQk0BjCpNcj3vWDftxiORWWB/53SICu8v5nPDRO8yGPv2rMCAJNAE9wS+kc5/LMibAaGAKS3Nj+VETyHrSszM0p5VuM1Gy5XqkqjW9CS6KudRdFPU+u+J3duMPCOiEm4dRhWLqA2LULnKfbk1EV717UmImrOi4JWA92TObYQs6mHO4pbXt/J8bLnERxBtJcAzXk2oMsWUcbn/Fm5Xf5x+agNYNSrfQavo8P6krvQucxlgS+cF7Njd6rDs1sdyhSnf8YDurJqs28gqXrHsdOVYbrxZgp3nY+goq85DHEcei18x4pIQKsDrEI+/ladjcsA+2lFQuQAy2NVp/lPhRoII71qkabqXXffHKifb1Md+WS6JLNmO5RboXRhtOwHNCgJhF8hTY7TFjavDNHko= 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 Thu, 2023-10-05 at 09:39 -0700, Breno Leitao wrote: > Create a selftest that exercises the race between page faults and > madvise(MADV_DONTNEED) in the same huge page. Do it by running two > threads that touches the huge page and madvise(MADV_DONTNEED) at the > same > time. >=20 > =C2=A0 ---------------------------------- > =C2=A0 ./run_vmtests.sh: line 186: 595563 Bus error=C2=A0=C2=A0=C2=A0 (co= re dumped) "$@" > =C2=A0 [FAIL] >=20 > This selftest goes together with the fix of the bug[1] itself. >=20 > [1] > https://lore.kernel.org/all/20231001005659.2185316-1-riel@surriel.com/#r >=20 > Signed-off-by: Breno Leitao Tested-and-reviewed-by: Rik van Riel --=20 All Rights Reversed.